| Rating | Reason | Side Effects | Comments | Sex | Age | Time Taken
and Dosage | | Date Added |
  | | | | F M | | | | |
Change sort order by clicking arrow under column heading.
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| 1 | Puffy eyes, runny nose | Extremely dizzy, heart racing, couldn't sleep, violent dreams, dazed, out of it. | | F | 49 | 2 days
1X D | | 7/26/2010
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3 | year round allergies | 10 years later and it is hard to describe what is not normal and what is normal. I have gone off it FOR GOOD.. it has been a week, so I know what it causes now: Dizzy, Tired, Fatigue, slight Depression, major Confusion, faint - i have passed out before, forgetfulness, nightmares, bad thoughts. | I rated it 3 because it has helped me a bit with some seasonal allergies over the last decade. I was advised to take it every day all year because of my indoor allergies... but I don't feel it helps the indoor allergies much. It is no longer worth taking since my symptoms were getting progressively worse. | F | 27 | 10 years
10mg 1X D | | 7/22/2010
| 1 | Allergies | This drug is sooo scary! I took one dose at 6pm, with no prior knowledge to side effects. I bought one dose at the convience store because my allergies were flaring up. There were NO WARNING/SIDE EFFECTS on package so I thought nothing of it. Two hours within taking one pill, I felt like I was on crack. I couldn't sleep, Im still awake it's now 6:22am, almost 12 hours after taking the pill. For awhile my hands were shaking, my heart felt like it was going to pound out of my chest, I had a horrible time concentrating andI couldn't stop moving around, pacing the house. I woke my mother up, with concerns that something was wrong with me, when I realized I had taken one dose of Claritin, sounded silly at first that a allergy medicine could make me feel SO OUT OF BODY, but loe and behold, I stumbled apon this website and couldn't even believe it!!!! DO NOT TAKE THIS MEDICINE! I CAN'T IMAGINE WHAT IT DOES TO A PERSONS BODY, IF YOU GET SUCH HORRIBLE SIDE EFFECTS! I am really hoping it starts | DO NOT TAKE, NOT WORTH THE SIDE EFFECTS. I'D RATHER DRINK A BOTTLE OF BENADRYL AND BE DROWSY, THAN FEEL LIKE I'M A CRACKHEAD AND NOT SLEEP. | F | 24 | 1 days
1 tablet 1X D | | 7/5/2010
| 3 | hayfever | sneezing, blocked and runny nose, itchy/sore eyes, | feel really tired/drowsy after taking them | F | 30 |
30 1X D | | 7/4/2010
| 1 | Seasonal Allergies | My 5 year old daughter has always been a bit of a high maintenance PITA, but while she is on Claritin she is a thousand times worse. We would give her a 1 tsp dose in the morning when she had puffy eyes or other signs of allergies. On those days we would get complaints from her teachers/camp supervisors. When she got sent home from camp for bad behavior, we took her off of Claritin. Things have been getting progressively better over the past few days. | We will be discontinuing use of Claritin forever. | F | 5 | 4 days
1 tsp 1X D | | 7/4/2010
| 3 | | I have been trying it off and on for years. It seems to have the least side effects, but it makes me extremely irritable, and depressed. I'm lost for a solution.
| It works great on my allergies. I have daily migraines without it.
| F | 57 | 1 days
10 MG 1X D | | 6/26/2010
| 4 | allergies | None that I am aware of. | Works OK with mild allergies. Really doesn't help when I have a massive allergic reaction to dust, mold, cats, and pollen. To be fair, nothing works very well with my twice a year extreme reactions. I have to take benedryl, claritin, chlortabs, and a nasal spray to stop the itching in my head. | F | 47 | 4 years
10 mg 2X D | | 6/22/2010
| 5 | Seasonal Allergies | One or two of the generic loratadine 10 mg antihistamines caused me to be drowsy and extremely irritable. Other generics, and Claritin 24 hour have worked very well for me without any side effects. | I'm taking Claritin 24 hour, not Claritin D. Claritin D hops me up so I can't sleep and am very hyper. | F | 49 | 2 years
10 MG 1X D | | 6/16/2010
| 1 | Year Long Allergies | My son has been taking Claritin for a month now and we've been shocked by his behavior. He's been defiant, refusing to do the simplest tasks. He will have emotional meltdowns over the smallest things (not turning the fireplace on in the middle of summer). He's been struggling to fall asleep at night. He's been complaining of headaches and sore throats off and on. We thought he was going through a phase and chalked it up to him being 3 years old. Thank goodness I found this website today. I threw the box away and we will NEVER take Claritin again! | | M | 3 | 1 months
5 mg 1X D | | 6/14/2010
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| 1 | | I have always had a lower than normal blood pressure but after taking Claritin, it dropped to 96/58. I have been lightheaded and saw the doctor who diagnosed Positional Vertigo and gave me exercises to help. I stopped the claritin, did the exercises and it gradually went away. My nose was so sore, i took one claritin last Thurs thinking the diagnosis was probably not related to the med. This is Monday and I am so confused, light headed, room spinning, and feeling panicky. However, I can tell that today is better than yesterday, so as the Claritin clears my system, I hope to return to normal.Powerful drug if one dosage can lower blood pressure to a dangerous level, cause mood swings and blurry vision. I am surprised the number of people who were able to connect the drug with the symptons when it makes you unable to read a book or remember how to turn on the diswasher. | Dangerous drug | F | 66 |
10 1X D | | 6/14/2010
| 4 | Seasonal Alergies | Have taken the 12 hour version for years only when allergies got bad or when mowing the grass. This year I started using the 24 hour version everyday. My dreams have become unusual and vivid. I feel some confusion and not quite myself. Worrying more than normal. Mostly back to normal a couple days after stopping dosages. Definitely controls my allergies but concerned by the new side effects. 24 hour generic Walmart normal Claritin (not the D version). | Should only be used when needed and not as a daily preventative. Would not recommend for children under 18 since they may not be able to cope with strange mental effects. Label should caution about nightmares and emotional reactions. I am thinking the 24 hour version is metabolising to fast and giving me an overdose. Will try the 12 hour version again only as needed to see if it is better. | M | 47 | 5 years
10 MG 1X D | | 6/13/2010
| 1 | cough | WOW! glad i found this site. I could not figure out why i would wake up shaking. any little sound and i would wake up very startled. had to take niquel to get sleep. I felt very detached and angry at the world. I too had confused issues. ie..sitting at a green light. Heart felt like it was beating out of my chest. Anxiety was very bad. I wonder how many people are being treated for depression and mental disorders when the answer could just me the claritin there taking?? | | M | 29 | 2 weeks
10 1X D | | 6/12/2010
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| 4 | Seasonal allergies | Sleepiness | I've found myself sleepy in the afternoon, but a far cry from the constant drowsiness from benedryl. I've gotten relief from severe symptoms after only 5 days. Please note with the comments on this site, there is very little mention of anyone consulting a medical professional about side effects. Of particular concern should be the people that are giving any drugs to children without a doctors referal. | F | 37 | 5 days
10 mg 1X D | | 6/10/2010
| 1 | sinus headache | anxiety, muscle weakness, dizziness, overwhelming feelings | | F | 50 | 30 days
30 mg 1X D | | 6/3/2010
| 2 | Itchy, stuffy nose; burning eyes | I had used it for years without problems, until last year when I took it and had tight chest, chest pain, shortness of breath. I was taking the generic form, not branded Claritin. I thought maybe it was something else, so I stopped it and then a year later I took one tablet and had the same response. | | F | 49 | 3 days
10 mg 1X D | | 5/30/2010
| 1 | seasonal allergies | Anxiety, detachment, spaced out feeling | After five days of disorientation, put two and two together with the help of this site. | M | 33 | 5 days
10 MG 1X D | | 5/29/2010
| 1 | Hay fever | Bradykinesia, loss of coordination, weakness and fatigue. Felt "drunk" inside my head. | I know that I only took one dose, but the side effects were so bad for me that I could not bring myself to take it any longer. | F | 36 | 1 days
10 mg 1X D | | 5/27/2010
| 1 | allergies | My son has only been taking this medicine for 3 days and has sever stomach pain and fatigue. I DO NOT recommend! After reading all these alarming comments I will definitely discontinue. I am only glad that I kept a close eye on him and came across this website! | | M | 6 | 3 days
5mg 2X D | | 5/25/2010
| 1 | Nasal congestion / allergy | Feeling sick, heart burn, acid reflux, insomnia, drowsiness during the day, confusion, blurred vision, depression, anxiety | I was prescribed Loratadine with a nasal steriod to help with allergic rhinitis and blocked sinuses. The side effects were very unpleasant and at first I didn't realise it was the drug causing them - I thought it was just my allergy getting worse.
I would not recommend this as an antihistamine to anyone. | M | 32 | 14 days
10mg 1X D | | 5/24/2010
| 2 | year round allergies | Been off claritin for one year until this past March. Went on and ever since my breasts have been very sore and I have been feeling poorly once again. I happen to mention tomy chiro and he told me of numerous problems with claritin so here I am.
I beleive this drug has robbed me of 120 years of my life! | | F | 47 | 10 years
10mg 1X D | | 5/21/2010
| 2 | Spring allergies | My 11 year old son has suffered with short term spring allergies, they only last about a month, but are difficult to deal with. We tried Loratadine and have seen severe mood shifts, depression, and general malaise. Very out of character. | | M | 11 | 20 days
10 MG 1X D | | 5/19/2010
| 1 | Night time stuffy nose | I bought my son Claritin instant dissolve last weekend before going to his grandparents house to aid in his spring time allergies. I gave him a pill before he left in the afternoon and got a call that he was ill with nausea and diarrhea but after talking it over with my mom decided it was probably all the junk food he had eaten. He was still ill the next day but still I gave him a 2nd dose. At that time I decided it was a bug and didnt give him the pill because he was just puking it up anyway. A week at school and no allergies, I dismissed the claritin and when he was stuffy at the diner table gave him a pill after eating around 6. At midnight my son woke up with the same sickness as last weekend only I was able to witness the uncontrollable shaking all over his body. I was about to take him to the ER and while waiting for him to use the restroom I found this site. I am very disappointed that these side effects are not printed on the box. I was scared to death at his reaction! I am sti | Use with caution! I know many that are good with this drug, it just wasn't good for my son. These side effects really need to be addressed on the package. I almost called an ambulance for my son. | M | 8 | 2 times
10mg 1X D | | 5/19/2010
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| 2 | Severe seasonal allergies | Crying, emotional outbursts, mood swings | We started giving the Childrens Claritin oral solution to our 7 year old son after the doctor recommended it for his allergies. Our normally cheerful son kept having terrible crying fits over the slightest problems. He would almost be inconsolable. I just made the connection this morning before school when he was hysterically crying. This medication helped his allergies somewhat, but the side effects aren't worth it. I'm going to find something else for my son. | M | 7 | 4 days
5 mg 1X D | | 5/18/2010
| 3 | seasonal allergies | I've been suffering seasonal allergies since I was a kid. (30+ years). I've tried many remedies over the years. Claritin 10 mg in the past has been helpful for my sneezing and runny nose, but it didn't help the itchy eyes. When my allergies acted up this week, I started with Claritin 10 mg daily...but found it was wearing off at about 18 hours, and would take a second 10 mg dose. I still had some rough nights of sneezing and runny nose--which is not unusual with my seasonal allergies. The non-sedating antihistamines don't seem to work for me. The past few days, I noticed I had zero patience with my kids, which is completely out of character. They would ask a simple question and in 5 seconds I would get completely irritated--it was like an anxiety attack (tense). The simplest annoyances extremely bothered me. At first I thought the irritability was due to lack of sleep. But as it kept happening, I realized it was not sleep deprivation, it was something more. I began investigating wheter | | F | 43 | 7 days
10 mg 2X D | | 5/16/2010
| 1 | Seasonal Allergies | At first I had no side effects from Claritin. I liked the fact that it worked, but I didn't notice any side effects. ( I do not take medications much and consider myself very healthy...take vitamins and eat well.)
At some point I started getting dizzy and very confused, but did not know what was causing it until finding this website after two months of taking Claritin 24 hour every day. Also, my hair was falling out...not a problem before taking Claritin. After about two months of continual use the confusion was so bad that I had to second guess every move I made. I was feeling psychotic with continual anxiety right before I stopped taking it. My eyesight was also beginning to be affected and reading was difficult. After finding this site, I immediately stopped taking Claritin. The next day after stopping the drug I noticed that my dizziness was a lot less. The confusion was gradually less. But on day three with no Claritin my symptoms actually got worse. On day four off the d | The longer this drug is in your system, the more lethal it gets. The FDA needs to get Claritin off the market. I hope a class action suit is made!!...My life was screwed up for weeks from taking Claritin! | F | 47 | 2 months
30 mg 1X D | | 5/8/2010
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| 4 | Tree pollen allergies | I have had dry mouth and daily short-lived acid reflux. I have had the muscle soreness and painful urgency to urinate as other people have had as well. | I get incredibly depressed, weepy, and agitated during tree pollen season, and Claritin completely eliminated these symptoms in addition to flu-like symptoms (headache, nausea, tiredness, dizziness) that I usually have during pollen season. It's not a perfect medicine by any means, but it's better than being so sick I can hardly function. | F | 36 | 3 weeks
10 mg 1X D | | 5/7/2010
| 1 | Seasonal (spring) allergies | My daughter was prescribed loratidine for her seasonal allergies last year and was instructed to take it the entire year. However, since she only has spring allergies I only give it to her during the spring. Last year she was only on it maybe 2 months. This year her allergies started much sooner thanks to a much warmer end to winter. She has been experiencing urinary frequency and incontinence. She has also been experiencing emotional outbursts, meltdowns, irritability, forgetfulness, etc. that we originally likened to an age/stage; however, this past weekend when we forgot to give her the loratidine for an extended 3 day weekend ALL of these symptoms disappeared! | The fact that these symptoms/side effects were not disclosed is VERY concerning! A head's up would have been preferred so that when the first symptoms/side effects started happening we could have stopped the loratidine and saved my daughter a lot of embarrassment and hardship! We will be stopping the loratidine immediately after this morning's dose! | F | 8 | 4 months
10 mg 1X D | | 5/6/2010
| 5 | Hay Fever | Claritin clears my allergie for the full whole day. I have just noticed that I have been sleeping all night long. | Before, Claritin I used to got o bed very late & getting up very early, but after claritin it makes me sleep all night and sometimes in the afternoon, if I am not working. I am not complaning, maybe I needed all the sleep I am having. That is the reason I tryed to check the web to find out if someone is having the same side effetcs. I did find a few ones with the same as mine. However, I was surprised that so many had depressions, pains, etc. I am glad that its only make me sleep more that I normally sleep. I will continue using Claritin. If I don't my allergie will make me depressed. | F | 49 | 1 months
10 mg 1X D | | 5/4/2010
| 3 | Seasonal allergies | Severe dizziness, poor balance, blurred vision, can't stand up without holding on to something | Used to take benadryl but it made me sleepy. Tried Claritin this year; no question, it works great on the allergy symptoms (that's why I still give it a passable rating). I did not take the drug every day as sometimes allergy is tolerable, that's how I was able to connect the dizziness with the drug. Side effects are simply the pits, can hardly get anything done at work. I am in good health with normal blood pressure, can't imagine what this could do to someone with existing health issues. Unless I find another medicine without those effects, I'd rather deal with the sneezing, itchy eyes and runny nose at any time. | M | 51 | 10 days
30 mg 1X D | | 5/4/2010
| 1 | | nightmares, lethargy, loss of appetite, total apathy, feeling of lead straps weighing me down, feeling dazed, frequent urination | Yikes. I took this for two days before giving it a break. 5 hours after the first 24 hour dose, I felt achy all over (bizarre sore sports all over my body) when I went to sleep that night it was unbelievable the grunt I let out like I had been working in a coal mine all day! I'd know I should eat, but had no appetite. Didn't do much for the allergies after all anyway. | F | 26 | 2 days
1X D | | 5/4/2010
| 1 | Seasonal allergies | This is the 3rd year I have tried calaritin. All three times I experience severe depression (no problems when not on it) Very sad, can't work, can't have fun. | | M | 32 | 5 days
1X D | | 5/2/2010
| 1 | Seasonal Alergies | Fatigue and Drowsiness during the day, yet at night I had much trouble sleeping. Restless Legs Syndrome. ALSO and most importantly-- Depression, Hopelessness, Sadness. | This year it finally hit me why I have been SO depressed. The last day I remember being happy was a couple of days before I started taking this medication. I thought that I was going crazy, but then I started to put two and two together and realized that my depression could be coming from the CLARITIN. I've done everything in my power to fight the oncoming depression, I've excercised and ate organic and healthy foods(and have actually GAINED weight!) I've been taking vitamins, minerals and natural mood lifters, and every day my depression has gotten worse. I have to force myself to do the things that usually make me the happiest, and it's AWFUL. I hate taking medications the side effects always seem to outweigh the benefits... ugh... I think I'd just rather suffer through with the alergies. | F | 23 | 14 days
10 MG 1X D | | 4/28/2010
| 1 | congestion, headache, allergies | Felt better the first day then started to notice very dry throat--felt swollen. I have chronic back pain but suddenly my knees, fingers, neck and head were in more pain. Started getting bad dreams and kept waking up around 4 am--exhausted but couldn't sleep. | Getting a CT this morning just to make sure nothing else is going on. Noticed side effects after taking claritan, then childrens allegra, then claritan again. Think I will go back to my herbals . I get acupuncture weekly for pain and it works--no more claritan for me. | F | 60 | 4 days
1X D | | 4/27/2010
| 1 | spring alergies | This medication made me very depressed, and not myself. I was also verrrrrry short on patience! I was sad, and really wanted to cry at the drop of a hat. I really felt unhappy, and an overwhelming feeling of mal contentment. Not good!! I usually never have any problems with medications, this was a first, I will never try it again. Very upset that no mention was made about these side effects! Consumer beware! | | F | 54 | 5 days
10mg 1X D | | 4/26/2010
| 1 | allergies | dizziness and vomiting | I gave my 2 year old Children's Claritin before bed...correct dosage per doctor...the next morning she vomited 2 times and was fine the rest of the day. I thought it was a little bug and gave it to her again that night. Again, the next morning she vomited and then was fine the rest of the day. Last night I didn't give it to her and she has been fine. No more Claritin for us. | F | 2 | 2 days
children's 1X D | | 4/25/2010
| 1 | seasonal allergies | I gave this to my 8 year old son hoping to help his itchy nose and eyes. It did not! He reacted severely to this drug. I gave the medicine to him for the first time at approx. 4pm. He went bike riding at 6pm. When he came home he was irritable and started crying about everything. Within the hour he couldn't stop crying and felt dizzy. He had a major meltdown and said it made his head feel like it wasn't his. He was anxious and depressed all at once. He cried and screamed at the top of his lungs non-stop for over an hour and half saying he couldn't stop! | We made him drink water to try to flush his system. He eventually fell asleep after 10:30pm. I need to contact my family doctor this morning to follow up once my son wakes up. I am very concerned! He has taken Benadryl before with no reaction other than tiredness. His reaction to Claritin was severe agitation and dizziness! | M | 8 | 1 days
10 mg 1X D | | 4/24/2010
| 1 | seasonal allergies | Every time I take this, I see the next day my face has broken out in small bumpy rash all over. I have experimented to be sure it is the claritin by not taking it and then taking it again when rash gone, and lo and behold, it does it everytime. Also had restless sleep, nightmares, daytime drowsiness and general irritability and anger/anxiety. | | F | 36 | 16 days
10 mg 1X D | | 4/21/2010
| 1 | Seasonable allegies | Depress, anxiety, general feeling of unease, crying | It works for my seasonal allergy symptoms, but I brings me depression, anxiety, sadness...it's not worth to take Claritin. | F | 39 | 7 days
1X D | | 4/20/2010
| 1 | Seasonal Allergies | agitation, defiance, anxiety, mood swings, vivid nightmares, crying | | M | 4 |
1X D | | 4/17/2010
| 1 | Outdoor allergies | Nightmares and migraine headaches | My daughter would wake up screaming in the middle of the night. She would develope headaches/migraines keeping her out of school (once for 2 days). | F | 13 | 7 days
10 1X D | | 4/17/2010
| 4 | Seasonal Allergies | Trouble taking a deep breath, feeling breathless, moodiness and possibly acid reflux | I'm looking for anybody else out there who has taken regular claritin and wound up with permanent acid reflux. My daughter was prescribed Claritin over 3 years ago for seasonal allergies. She now has severe acid reflux and other digestive problems. If you have had or know of anybody that this has happened to, please email me at lnowak001@wowway.com. I am desperate to know if this will eventually resolve or if she will always have to deal with it. | F | 10 | 3 years
10 mg 1X D | | 4/16/2010
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| 2 | Cat Allergies/seasonal allergies | NIghtmares. Interrupted sleep. Foggy head. Headaches. Neck pain. Back pain. Lethargy. Moodiness. Sadness. All around not feeling like myself. | I started taking Claritin 24 hour initially because I developed an allergy to my cats. It definitely helped relieve some of my symptoms.I didn't take it everyday, but very often when I stayed with my boyfriend and his cat. But when the seasons changed(about a week ago), and the trees began to bloom, I started to feel awful. Assuming that Claritin would relieve these symptoms, I started taking it everyday.
Needless to say, I'm so glad to have found this website. I will not take Claritin AGAIN!!!! Taking it everyday has really taken a toll on my body. | F | 21 | 1 months
10 mg 1X D | | 4/14/2010
| 2 | seasonal allergies | anxious, irritable, general feeling of unease, difficulty sleeping, lack of focus, emotionally labile
| I have used Claritin to treat my seasonal allergies for several years, but have recently come to note that the side effects are not worth the medication. I am a healthcare professional and it has taken me some time to relate my symptoms directly to the times I have taken claritin. | F | 55 | 4 days
10 mg 1X D | | 4/2/2010
| 5 | Seasonal Allergies | None | Claritin is great, no problems. I swear if you look at askapatient.com, search on any drug, just look at the results. It seems as if every person suffering from side effects posts on this website...then others read all this stuff....which causes some sort of psychological scare syndrome whereby people attribute all sorts of ailments and ills to taking the drug. | M | 45 | 3 years
10 mg 1X D | | 4/1/2010
| 1 | runny nose | My 10 yr old was taking this and the Dr suggested it. She started to seem apathetic, losing things, forgetting homework, draggy, kind of sad or blank, quieter... I thought something else had happened to her till I read this site.
I quit giving it to her yesterday so I hope she cheers up and I am taking her back to the Dr tomorrow to go over all this and her allergies/sinus infection.
She also has ear popping that I hope goes away.
She did stay up later than usual and stayed in the shower forever , not seeming to care if her school work was late. Oh , I do not think it did anything for her allergy symptoms so we will not be using it ever again! | | F | 50 | 3 weeks
10 mg 1X D | | 4/1/2010
| 4 | seasonal allergies | I took 1/2 tsp of Children's liquid Claritin once a day in the morning. My allergies cleared up immediately with minimal side effects. | I had taken Claritin before (adult dose) and had trouble with side effects (felt depressed, weird and tired) but my daughter who is a family practice MD suggested I buy the children's liquid. I ended up taking one quarter dose which worked great. | F | 64 | 2 days
2.5 mg 1X D | | 3/30/2010
| 1 | Allergies | Short term memory loss, vaginal dryness, decreased libedo, trouble reaching orgasm | I have severe allergies and have to take some kind of allergy medicine all year round. I have tried everything on the market. Claritin works for my allergy sympoms but its not worth the side effects. | F | 32 | 4 months
10 1X D | | 3/29/2010
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| 1 | allergies | I gave my 6 year old daughter a claratin this morning for allergies. She had an uncharacteristic meltdown at school and told me that she felt like the gravity was telling her to get on the ground. She is a healty 6 year old with no signs of mental illness. This stuff was like a pschodelic trip for her. Please don't give this to your children. | | F | 43 | 1 days
10 1X D | | 3/29/2010
| 1 | spring allergies | Was feeling really down/depressed and so tired, had trouble getting out of bed. On the verge of tears. Did not understand why this was happening - especially since weather was great (winter over,etc)and nothing in particular was wrong. Then I put it together! I have to assume that it is directly related to the Claritin. Timing makes sense. | It did help my allergy symptoms but not worth it. | F | 31 | 2 weeks
10mg 1X D | | 3/24/2010
| 3 | sinus/ allergies | nose bleeds, trouble sleeping, heavy breathing, stomach aches, very bad, vivid dreams, aches and pains throughout body, and more. :-( | it somewhat worked but i've had better. | F | 12 | 3 months
10 1X D | | 3/21/2010
| 1 | alergy to Juniper pollen | Made me feel bad, anxious and it really didn't help my stuffed up nose. only 3 hours into the first (one pill) dose and will not take it again, I hate the way it makes me feel | | M | 59 | 1 days
std 1X D | | 3/16/2010
| 1 | Allergies | Vivid Nightmares,Frequent awakening at night. The worst nightmares I've ever had have just been the last two days of taking this medication. I was fine on Zyrtec but the insurance company wanted to be cheap and put me on this instead. | | F | 38 | 2 days
1X D | | 3/3/2010
| 1 | Allergies | depression, suicidal thoughts, vivid dreams yet trouble sleeping, extreme lethargy | I've taken Claritin on and off for years when I needed it. The past year I started noticing I would feel very depressed when I would take it. Yesterday I took it and felt extremely depressed and I think I can finally linnk it to Claritin. | F | 37 |
1X D | | 3/2/2010
| 4 | allergies, sinus | until i read the things people have posted on this site, I thought I was just the mean old bastard my now x-wife thought I Was...This drug works wonders for my allergies but seems to be killing the rest of me... lately the pain in my sholder, knee, wrist and muscles have become really bad.
After reading most of the other posts and thinking back I can say that I have had most of these side-effects at one time or another, and never made to conection, Im not saying its all claritin but it sure explands alot. | I have also taken Claritin D and found I was going to the bathroom all the time trying to pee, drip drip drip what a drag. Got so bad i thought I might have prosrate cancer, I stopped takeing The D and things are much better
I guess I will stop with Claritin all together because my body feels like its been in a wreck. I`m going to detox my self and try and find some other means of keeping my allergies in check.
It was a sad sad day, while looking at all the allergy and sinus med in the drug store, I relized they will never cure my sinus allergy problem, to much money to be made...
I don`t think you should give this drug to children and if you can find some thing else that works, us it.
My alleries were so bad, and nothing seemed to work, so when i found Claritin, it waS LIKE A LIGHT IN A DARK DARK WORLD. | M | 43 | 3 years
1X D | | 2/26/2010
| 3 | post nasal drip | tired and apathetic, dry mouth | helped the post nasal drip, but not worth feeling "dragged-down" | F | 48 | 2 days
1X D | | 2/11/2010
| 2 | Allergies, Asthma | Chest tightness/tight breathing | I tried Claritin because my insurance won't cover Allegra or it's generic anymore since Claritin & Zyrtec are OTC. Claritin should not be used by people who have asthma. It definately makes all those symptoms worse. It does work great for the allergies and dries the sinuses, but has no smooth muscle relaxation affect for the bronchials like Allegra does. It causes too much tension. Insurance Companies need to be aware of this when they make these rediculous decisions to not cover something because there are OTC alternatives! | F | 50 | 1 months
| | 1/26/2010
| 1 | Allergies | I decided to try taking claritin to help with my allergies but it didn't seem to actually do anything except for make me feel like crap. Started crying could not sleep and felt really depressed and was reading through these comments and saw that I am not the only one this has happened to. I'm really disappointed in Claritin and just threw mine out. I wish people were more aware of this (as side effects/adverse reactions warning is nowhere on the box) and I took regular Claritin. I'm not taking Claritin ever again, far as I'm concerned. | | F | 24 | 5 days
| | 1/14/2010
| 2 | allergies | Drowsiness, fatigue, lack of caring, delayed motor reaction, difficulty controlling emotions, dry mouth | I've never breathed so well in my life and can't remember a time that I felt air expanding into my upper sinuses rather than contracting. However, the side effects were too much for me to continue taking the drug. I tried the 12-hour redi-tabs before bed to alleviate daytime drowsiness, but they cleared my sinuses halfway and left me drowsy for 24 hours. | F | 25 | 2 days
| | 1/12/2010
| 1 | hayfever and other allergies | Extreme angry depressive moodiness, crying and self-pitying jags | Have taken off and on for the past 5 years or so. Never a problem until the last week. Seemed to go crazy, feel on verge of nervous breakdown, couldn't sleep, angry and weepy, feeling like life had no joy. Could imagine snuffing myself if this went on very long. One of my brothers has had depression because of Claritin. So I think I will be steering clear of this from now on. | F | 55 | 5 years
| | 1/6/2010
| 1 | dust allergies | I feel drunk, stoned, dry mouth, sleepy even though it said non drowsy | I won't take this again. Its freaking me out the symptoms that I am feeling. I'm a stay at home mom with a three year old son and if I knew that I would be feeling like this I would have never taken this medication. | M | 35 | 1 days
| | 12/21/2009
| 5 | Allergies | Prescribed for 90 year old mother-in-law. When off of Claritin because there seemed to be no allergy symptoms, she lapsed into abnormally confused and paranoid state - unable to communicate. Claritin was started again and she improved significantly. Has anyone else dealing with someone with dementia experienced this with the use of Claritin? It has happened three or more times, so it seems more than coincidence. | | F | 90 |
| | 12/11/2009
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| 1 | allergies | all that have been listed on here already. it was a horrible year of my life. It is NOT only Claritin D that causes the moods and other severe side effects. I was on regular Claritin! | To the person that claims that only the Claritin D causes side effects, you are very wrong. Check your facts. | F | 27 | 1 years
| | 12/8/2009
| 2 | Allergy symptoms | Extreme sore throat, mouth dry, sweat attacks, Insomnia | Worked a treat form the allergy symptoms but not sure if it's worth the hassle with those side effects | F | 28 | 1 days
| | 12/6/2009
| 3 | Allergies | Please people-post in the right section. If you are taking Claritin D then you are taking the decongestant part of it. That's what the D is and that's the part that makes you freak out, anxiety, anger. I can't take D but it's hard to figure out posts on here when people are posting experiences with Claritin D and not just plain Claritin. Know what the hell your taking and posting on. | All that being said-I don't react well to D at all. Jitterness, bad anger. The regular claritin seems the lesser of evils of Zyrtec and Allegra. | M | 36 | 7 days
| | 11/19/2009
| 1 | Dr. recommended | Severe dry mouth,anxiety attacks.I can't wait until it wears off.I will never take again or suggest to others.I'm very upset and will tell my Dr. | | M | 55 | 1 days
| | 11/13/2009
| 1 | allergies | Extreme moodiness - mostly feeling unlike myself and depressed. I had feelings like everything was out of my control and felt on the verge of crying for almost two hours. Caused muscle soreness. The first dose I took made me feel extremely out of it and almost zombie-like. I felt as though I was moving in slow motion. | I took Claritin D-12, twice a day for three days to get rid of a horrible runny nose and watery eyes. The allergies cleared but it was not worth feeling horrible. I will not recommend this medicine to anyone. | F | 17 | 3 days
| | 11/10/2009
| 1 | Allergies | Usually I tak Claratin D 12 hours, as needed but my allergies picked up more over the summer with watery eyes and congested head. The pill helped clear my head and eyes, but I started getting heart palpitations and very stiff joints. I also found myself crying for no reason. Since I have stopped taking it about 5 weeks ago, my joints have stopped aching and the palpitations have reduced but they are still there. | | F | 46 | 6 months
| | 11/2/2009
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| 1 | alleriges ie: coughing, sneezing, | temper tantrums, moodiness | Gave this to my son for 2 weeks and he experienced 2 major meltdowns completely out of character for him. These meltdowns were witnessed by other family members who were shocked. He also had woke up at night crying no, or calling for mommy or daddy. He also started coming into our bed at night. | M | 5 | 12 days
| | 11/2/2009
| 1 | Allergies that just started | Have been a total mess! Thought I was suffering from deppression. I just started taking this about or 5 months ago..I have been so mean and angry twards everyone. Thought I was going nuts. Been crying and sad for nothing. I have never been this way ever..I was really starting to doubt myself. My brests have been sore as hell constantly. I even thought I was pregnant! After seeing this sight I feel soooo much better! I am done taking this forever!!!! | 5 months | F | 29 |
| | 10/26/2009
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| 1 | to allay nasal congestion | deep depression, about midway through one dose cycle. I took as directed for adult. | Did not allay nasal congestion, and the side effect of deep depression was enough to make me stop it after one dose cycle. | F | 64 | 1 days
| | 10/26/2009
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| 1 | Multiple allergies and rhinitis | Mood swings, crying, confused behaviour. | I have been having my concerns about claritin and after reading this web site I am convinced. It is not good for children. | M | 8 | 2 months
| | 10/19/2009
| 1 | sinus infection | Anxiety, dizziness, panic attacks. I went from a normal person to someone afraid to drive/leave the house. | | F | 51 | 4 weeks
| | 10/16/2009
| 2 | Animal dander allergies | I woke the next day, after sleeping almost 10 hours, very dragged out, and mentally confused, foggy, conflicted, angry, depressed. I could tell it had affected me mentally in a negative way. | I bought some Children's Claritin, and took the recommended dose,2 tsp, which is a 5mg dose, taking it around 12:30 pm, and it quickly opened up my lungs and my breathing was much better. Before going to bed last night I took one tsp., around 11pm. Benydryl wipes me out, so I was trying to find an antihistimine that I could take on a regular basis, and thought I would try a mild children's version of Claritin. But this morning I awoke not feeling mentally together at all, and felt angry, depressed, sad, basically very conflicted. I'm stopping it immediately, especially after reading others comments here. | M | 54 | 1 days
| | 10/15/2009
| 3 | Alergies | I had been taking the drug off and on for years. Up till the past couple years I never noticed side effects. With in the past 6 months I started having panic attacks and anxiety attacks along with irregular heart beats. I first thought it was stress or lack of fluids. Now after seeing this site, I will only use it in an emergency and expect the other symptoms to slowly go away. | | M | 44 | 5 years
| | 10/7/2009
| 1 | allergies | Within 30 minutes of taking my first tablet my body started having involuntary tics, mainly my tongue moving around in and out of my mouth, my head turning to one side, and my arms waving all over the place. I was rushed to be given an injection of something to stop these effects, and told to NEVER take Claritin again. I was never warned about serious side effects at all! | Although my side effects were very rare, things like this should be listed in the information about the medication, so people at least have a choice as to whether to take the medication or not. I have since been told by my new doctor that the side effects I suffered could have been long term, maybe even suffered for the rest of my life. | F | 40 | 1 days
| | 10/6/2009
| 1 | to control sinuse drainage | I was used to running nearly every day 2-3 miles. I went from that to barely dragging myself out of bed. I had no motivation to do ANYTHING. I seemed to not care about anything all of a sudden. And I have a family to take care of!! I finally pinpointed my sense of fatigue and feeling like I was "lazy" to starting at the time I went on Claritin. (just regular Claritin 10 mg 24 hour)I experienced a TOTAL lack of motivation, depression, fatigue, bloating, weight gain, increased sense of irritability, sense of being in a fog as other reviewers have noted. I also had problems focusing as if I could not get it together, my mind would race from thing to thing. And no matter how much I slept I felt like I was not well rested.I was disappointed since it seemed to really be helping my sinus problems, but it is not worth it. | | F | 34 | 30 days
| | 10/1/2009
| 1 | Allergies | Very vivid dreams. Some heart palpitations/anxiety I think...but not sure. No depression, anger or insomnia. | I have had occasional nights of vivid dreams before, but when I started having them every night I knew that there must be some external catalyst. My daily dosage of one Claritin was the only change to my regimen, so I went to Google and typed in “Claritin dreams” and to my surprise got multiple hits. No more Claritin for me. | M | 57 | 7 days
| | 9/30/2009
| 3 | sinus congestion/partial occlusion | extream irritability. constant thought of needing claritin. anger outbursts, unstable emotionally, headaches in the mornings, fatigue. feelings of indifference. Food cravings. | helped my sinus for a short time (aprox 1 month) then kept craving claritin and would get SICK extreamly SICK if not taken in a 24 hour period (headaches that made me lay down for hours and only relieved by claritin or 3-4 days without claritin.) | F | 29 | 2 years
| | 9/23/2009
| 4 | pollen allergies | I'm not certain yet that this is caused by the Claritin. I've taken it without side effects and good efficacy vs. allergies for the last 2 years. However, when I started taking it this Fall allergy season I began experiencing severe aches and pains all over my body. I cannot sleep because of the pain and it affects my work. The aches and pains reduce slightly during the day, but are pretty much constant. | | M | 45 | 7 days
| | 9/22/2009
| 3 | Allergies | My child is 3. He was put on 24hr claritin for children to help with his allergies and to help control asthma. He has always been the sweetest little boy, and I'm not just saying that because he's mine. He's been on it for two and a half weeks, and in those two weeks we've had uncontrollable emotional issues. He is in a private preschool, and has gotten sent home because excessive crying, and cries here at home too while he just seems sad. We gave up our nap time the middle of this summer, he didn't want to sleep so it was a fight. Now, he falls asleep at noon while eating, this is after going to bed at 7 p.m. and waking up at 7:30 a.m.!! OVER 12 hrs of sleep!! Not to mention frequent nose bleeds - sometimes four times a week!! Also, the past three days he has been hitting and pushing other children which has never been a problem. I thought it was just a stage but after finding this site I feel terrible! My poor child has probably been feeling all the emotions you all have desc | Worked great on his allergies, but not worth it!!!! | M | 3 | 18 days
| | 9/20/2009
| 1 | runny nose, itchy, watery eyes | Racing heart, anxiety, insomnia | I took Clairitin 24 hr at 4pm and it seemed to relieve my runny nose right away. But within an hour of going to bed, I was awake with anxiety and a racing heart. I never have insomnia, so this is abnormal for me. After drinking lots of water, the racing heart has subsided but I feel tired yet wide awake. Clairitin is not for me. | F | 42 | 1 days
| | 9/20/2009
| 1 | Allergies, regulating ear pressure | I took Claritin 24 hour everyday for 2 weeks to relieve my allergy symptoms which mostly consist of a terrible, constant popping in my ears. It was suggested by my ENT to help this problem and it worked wonders. I had a hysterectomy 6 yrs ago and do occasionally get PMS type symptoms so at first when my breasts became sore and I gained a couple of lbs, I thought nothing of it. By the end of the 2 weeks I was constantly waking at night, the skin on my face was extremely dry, I was loosing hair by the hand fulls, my breasts were so sore I couldn't even stand to have a sheet lay against them and I had gained 10lbs!! No more Claritin for me! | | F | 37 | 14 days
| | 9/18/2009
| 1 | seasonal allergies | ANXIETY,mental fog, nose bleeds. Felt dizzy and light headed.
Thought I was losing my mind because I couldn't focus.
This drug becomes dangerous the longer you take it. | Went to three doctors and none of them told me to stop taking the claritin. I stopped after finding this sight. I am now
on week three of no claritin. I am starting to feel normal again. I can't believe you can buy this drug OTC. | M | 48 | 4 months
| | 9/10/2009
| 3 | seasonal allergies | Extreme fatigue/exhaustion, intermittent headaches, low energy, depression, anger, frustration, overwhelmed, worried. | I've taken claritin in the past on an as needed basis and it didn't really have much of an effect on my allergies. This season I started taking it about 2 weeks prior to allergy season and that really helped control the symptoms. I have been doing great on it for over a month, and just within the last 2 weeks or so I've started feeling so tired and exhausted despite getting tons of sleep. I just crave my bed, like in the middle of the day. I have no energy. I wake up feeling like I haven't slept at all, and now in the last serveral days I've been feeling very depressed, angry and overwhelmed for no apparent reason. I have no history of depression or anxiety or anything else. I didn't really associate it with the claritin because I've been taking it for so many weeks without a problem. But for the last 2 days I haven't taken the claritin, and I am starting to feel much better. I was thrilled to be expriencing what I thought was no side effects with Claritin (as I had a lot of negative side effects with zytrec). Perhaps the levels in your body continue to increase which is why it took a while for me to feel both the positive and negative effects of the drug. | F | 45 | 40 days
| | 9/7/2009
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| 3 | Fall Allergies | I have taken Claritin and the generics...Rite aid, etc.
It does work on the allergy symptom control which can be debiliting, but this site is confirming my suspicions that the drug is contributing to my anger management issues. I have 2 angels for kids that can test patience of course, but this drug lowers all tolerance thresholds. And the constant light-headed feeling gets a little old. I was training for a triathlon this fall, so I can blame the drug for my lack of exercise stamina as well. I will confirm the crazy dream posting as well. Anxiety sucks. | | M | | 10 days
| | 9/6/2009
| 4 | allergies | dry mouth and vertigo/occasional dizziness | This stuff works great for my seasonal allergies, but I hate the feeling of vertigo. Benadryl makes me really sleepy and Zyrtec give me migraines - I'm so glad I found some allergy medicine that works for me. | F | 39 | 2 years
| | 9/2/2009
| 1 | allergies/cough | My son-10 years old, started Claritin for a cough he's had for a few weeks. I noticed soon after starting he started having major temper tantrums and was unable to control his anger. He became very aggressive and unmanageable. He has had episodes of this in the past, but nothing recently. Now I'm wondering if perhaps each episode was during a time that he was on Claritin &/or Singular. I've taken him off the Claritin, and his mood has drastically changed. Coincidence? Who knows, but I think I'll avoid this drug in the future- especially with all the others here who've had similar experiences!! | | M | 10 | 2 weeks
| | 9/2/2009
| 1 | pet and seasonal allergies | INCREDIBLY sore and stiff muscles to the point of not being able to walk. Fatigue that was so bad I would have to lay down and then I'd fall asleep for a couple of hours at a time. Sleeping 10-12 hours a night and still being very tired when I woke up. Shuffling my way out of bed due to the pain and stiffness. Depression and anxiety to the point that I thought I was going crazy. I was crying and getting angry at friends and family so randomly! Made me downright mean. If I hadn't found this site and gotten off this awful drug, I was on my way to therapy very soon! Red eyes that I never even got with my allergies. IBS type symptoms with gas, bloating, and diarrhea. Frequent urination with the feeling that I still had to go right after I went - sometimes painful to go. Severe dehydration. Daily abdominal cramping. PMS was off the charts. Period was painful - barely ever got a little cramp before. Lack of motivation. Went from working out daily to forcing myself to do it half-ass a coup | 10mg a day is an overdose for the average person. When I started this stuff I took it as needed and only had small physical and mental nags that I never connected with the drug. Then I increased it to every and the nags grew but I still didn't make the connection. I decided to take it as prescribed on the box because I thought the nags meant it wasn't working. Taking it every day literally incapacitated me! I went off it a week ago and have noticed a huge improvement in my overall quality of life! My normal physical and mental self is coming back. I guess it takes 10-14 days to leave the system completely. I can't wait till it's gone! A class action lawsuit would be a great idea! I didn't see any of those side effects on the bottle! | F | 27 | 1 years
| | 8/28/2009
| 1 | allergies-mostly congestion | Claritin D 24hr I was having problems sleeping due to congestion and decided to try this. The first night was great, slept all night w/o stuffiness. Second night, it didn't help at all, so I decided to skip a few days. Took it again after two days and it still didn't help the congestion but I was plagued with constant itching all over my body that night and in the morning I noticed I was having a difficult time with my vision, my right eye would get hazy and unfocused. Later that day, I started to have mild anxiety attacks (I am on anti-anxiety meds and have been fine for years) but did not attribute it to the Claritin. Also, I was extremely moody and angry and figured I must be starting menopause. The next night I took yet another in hopes of getting some sleep. I feel asleep only to be jerked away about 40 minutes later with the sensation of falling. Fell back to sleep and it happened again, and continued to get progressively worse and more frequent to the point that I would just do | NEVER AGAIN! This stuff is TOXIC! | F | 40 | 5 days
| | 8/21/2009
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| 2 | pet allergy / seasonal congestion | agressive behavior, moodiness, whininess, appetite changes, sleep problems, crying outbursts, blatant disobedience | It all started with our son taking Zyrtec on and off as needed for over a year. We thought he was just a high-maintenance strong-willed child. It wasn't until he started taking it daily for a couple weeks straight that he became completely unbearable. We would have honestly sworn the devil had possession over our child, that's the best way I can describe what happened. It wasn't until I found this site that it made me think it was the medicine causing it. I stopped giving it to him, and within a couple days, he was a completely different child. Much easier to manage, more agreeable, and overall happy. I thank whoever created this site, and just wanted to post our story, so maybe someone else who experiences the same thing can learn from our misery! We have since tried Claritin, and after about two straight weeks of using it, it caused the same symptoms. Even after being off it, we gave it to him on an as-needed basis a couple times and the personality change was almost immediate. No more Claritin for him! Now we are on Allegra, time will tell how that fares... | M | 4 | 14 days
| | 8/13/2009
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| 1 | allergies | Right after taken claritin I had vivid nightmares every night. I have never had such bad nightmares before. I also got angry very fast, I had road rage twice and even got out of my car twice and went after the person, I have never done anything like that before, I was a freakin animal on this stuff. I was in the bathroom one day and I was talking to myself and then I stopped when I realized what I was doing, It made me think of all kinds of random things, very scary. I also had some shortness of breath and was tired and headaches. But the bad nightmares and the anger issue was a huge problem. | Claritin should be banned from the shelf. | M | 45 | 10 days
| | 7/29/2009
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| 5 | Seasonal Allergies | None | Great Drug for me and my family. Helps wonderfully with our allergy symptoms. | F | 30 | 5 years
| | 7/27/2009
| 3 | Seasonal Allergies | At first I liked it because it took care of the allergy symptoms and did not make me tired. But I took it as needed at first - but then found it worked quicker for my allergy symptoms if I took it every day and kept it in my system during the allergy season. However within a week of taking it every day it began to make me feel very, very, very anxious and tense. I felt so tense I kept having to remind myself to take deep breaths. At first I blamed it on hormones, but then realized it was the Claritin. I have stopped taking it. I don't know why the drug company did not list this as one of the possible side effects to begin with. | | F | 51 | 30 days
| | 7/21/2009
| 4 | seasonal allergies | I take Claritin D 12-hour every morning for my allergies. It works great on the allergies if taken EVERY DAY, however, I've noticed some changes in myself over the last few months such as weight gain, anger control issues, and depression. I never thought about the anger being associated w/Claritin until I saw how many other people on this sight have experienced it. I will never take this again! | | F | 32 | 1 years
| | 7/15/2009
| 1 | allergies | I experienced depression. Mild at first then more profound the longer I took it. After sucicidal thoughts I will never take it again and would not recommend it to anyone else. | | F | 50 | 7 days
| | 7/1/2009
| 2 | Allergies | Extremely cold and sweaty feet. Lack of concentration. Insomnia. Fever. Mood swings. Depression. | Fuck Claritin. | M | 10 | 2 days
| | 6/30/2009
| 4 | Allergies | Perhaps a bit of dehydration, but that's all. | I personally love it. It works better than Zyrtec, and doesn't make me drowsy like Benedryl. However, it doesn't completely take care of my allergy symptoms. | F | 19 | 3 months
| | 6/23/2009
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| 1 | Allergies from cats and outdoors | Blurred Vision, Dizziness, Nausea, Extreme irritability, Angry at everything, LUCID, VIVID NIGHTMARES and INSOMNIA | I would not recommend taking Claritin regularly which is what I have been doing. It has made me extremely irritable and unable to get a good nights' sleep - no matter how long I sleep for I'm always tired. I'm also taking a Pychiatric medication (Lamictal), and I think that Claritin reacts poorly with it. So those of you taking psychiatric meds should probably consult your doctor about the use of claritin first. | M | 22 | 30 days
| | 6/21/2009
| 4 | Eustacian tubes, insect bites | Dehydration/dry mouth, dizziness/lightheadedness on standing up, slight blurring of peripheral vision | I took the generic version for eustacian tube dysfunction (in conjunction with generic Flonase) a while ago, and now I am taking it to reduce the itchiness from some insect bites. The dehydration can be headed off by drinking a lot of water, and the other side effects are mild and a small price to pay for not having to be itchy all day. I would say, from my experience, that Claritin is great when you have just spent a weekend in the woods getting eaten alive by bugs. | F | 23 | 30 days
| | 6/18/2009
| 1 | Yes | Anger, anger, anger, frustration, and lack of concentration. I became a complete monster and was even about to call a therapist. I ran out of Claritin and immediately noticed a change in my demeanor (for the better). I'd rather sneeze 100 times daily and walk around with puffy eyes than take that stuff again! If you can afford it, I advise trying acupuncture. After a series of treatments, it resolves your allergies forever! | It sucks! | F | 26 | 2 months
| | 6/18/2009
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