CLARITIN Reviews (LORATADINE)

Average Rating: 1.9 (1014 Ratings)

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 Type: Over-the-counter Drug

  

Results are sorted by length of time drug was taken from shortest to longest duration (reviews with no time reported listed first).

Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)

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More on CLARITIN: Reviews Summary  |  Drug Safety Information

RATING  REASONSIDE EFFECTS FOR CLARITINCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 1  allergys Severe painfull watery stools! Anxiety, Numbness, Extremely quick to Anger Insomnia or Extremely Tired. Loss of Concentration. This drug is dangerous !! Dry Mouth , Tight Throat & spasms in my back . I was fine the first 2 days, Then the side effects kicked in & I felt like i was going nuts. F 43 5 days
10mg 1X day
9/9/2014
Email
 1  allergies Extreme fatigue, muscle aches, dizzy when I bend over and get up fast, mettalic taste in mouth, irritable, Tired no matter how much sleep I get, M 43 5 days
5/10/2009
 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
Email
 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
 1  Allergies My son was well adjusted, good in school, plays soccer, Karate, two musical instruments and loved to read. After 5 days of Claritin 24hr at night before bed, he had severe mood swings, hyper activity and what he described as bad thoughts. We stopped the medicine immediately. The symptoms continued to worsen two days after, finally producing a facial tic where he can't control his blinking and has an eye-roll. he was crying for no reason in the morning with sleepiness and then unable to sit down in the evening. The emergency room doctor pinpointed it as the Loaratadine in the Claritin affecting his central nervous system, stating that he's had parents threaten him if he ever prescribed the drug to their child again. It's been 11 days since his last dose. The eye-blinking/rolling continues and his Teacher said he puts his head down on his desk allot and plays with his fingers. He is complaining about School, saying that he feels invisible to his friends. He is moody and his little bro It should be removed from the market and controlled as a poison. M 9 5 days
10 1X day
10/14/2013
Email
 1  Seasonal allergies Listless, lethargic, very bad nightmares - especially the twilight phase where I was either in REM or some lucid dream.., loss of libido, distraction, unmotivated Cleared up my sinuses for sure. Check. Overall quality of daily life? Big leaps backward. I'm in college and for the past week since on this medication I cannot concentrate on the lectures. My sex drive has further decreased drastically too. in addition, simple motivation like going to the gym for daily workout is gone and I haven't gone all week. Lastly, I'm feeling sleepy all throughout the day - not too bad, but just there like a mosquito by your ear. Just woke up to look up side effects for this b.c my nightmare took care of any rest for now. I just developed allergies for the 1st time in my life.. so I took this OTC and passed on the newly become OTC Zyrtec for cost reasons.. guess I'll try that instead. M 19 5 days
9/11/2008
 1  For hayfever relief I am usually a stable level-headed individual but Claritin changed all that, causing severe depression, exhaustion and paranoia by day three, which made me miss work for a couple of days whilst I came off of them, the process of which gave me a terrific headache, but I was completely back to normal once I stopped taking them. There should be some warning about depression in the packet, not just about 'anxiety.' That's an understatement. 5 days
6/10/2008
 1  allergies My 9 year old daughter took OTC CVS Loratadine for 4 days and then experienced severe anxiety, depression, sleeplessness, bladder discomfort, back pain, loss of appetite. These reactions were dramatic and never before experienced by her. It took detective work to discover the connection with the medication. We are hopeful she will improve over time. This has been a hideous, needless experience. Why after years of knowing of these severe side affects does the packaging not reflect the accurate side affects. The CVS packaging had no warning whatsoever. This truly seems criminal. I can see no reason to have a child needlessly exposed to these side affects when other medications with less affect may be used. I further believe that the product should no longer be offered OTC or should be pulled all together. F 9 5 days
7/29/2008
 1  Hayfever Heart palpitations constantly, anxiety and rash. Already prone to heart palpitations so tried to ignore them but got so bad that I knew something else was wrong and discovered it was because I had just started taking Claritin, since coming off two days ago palpitations have stopped and rash going F 27 5 days
6/19/2008
 1  Allergys VERY aggressive behavior! Sweating, anxious. I have a developmentally disabled son with severe speech apraxia, he is usually a pretty even tempered boy of 14. After takeing Claritin for about 5 days he was sent to the nurse at school because he was soaking wet from sweat, she took his BP & temp. which were normal, she thought maybe low blood sugar so gave him juice. (he has never had low blood sugar before.) She called me, the only thing different I could think of was the Claritin. Funny thing is the box does not list any of the allergic reactions it might cause, just to call your Dr. if you have any! The next morning he woke up being very aggressive and mean. But sense he has verry little speech, he can not tell me what is going on. I quit giveing him Claritin and by the next day he was fine! I will NEVER give this to him again! M 14 5 days
3/31/2008
Email
 1  bad cough and post nasal drip upset stomach, dry mouth, headache, tiredness, just not feeling well. I was taking Loratadine, the generic for Claritin. It worked great the first time I took it, my cough was gone. But the second day my cough and post nasal drip were back, but not as severe. I am glad that I found this website because I don't think the side effects are worth it, and I am not going to continue to take it to see if they get worse. In my opinion, don't take Claritin or Loratadine if something else works for you with no side effects. F 65 5 days
9/9/2007
 1  Allergies Joint pain, diarrhea, feeling of exhaustion I dont take anything other than over the counter allergy medicine. I ran out of Drixoral and Claritin was what was left here. It cleared my allergies but I had stomach aches and diarrhea every day I took Claritin. My joints started hurting as well (could be from dehydration) Almost went to the doctor (I never go) but thought about it and remembered I had been taking Claritin instead of Drixoral. I stopped taking it and 24hrs later all the symptoms went away... Next time I'll pay closer attention when trying a new medication M 24 5 days
6/22/2007
 1  Fluid in ear/allergies So glad I found this page. After taking Claritin For three days I had a crazy dizziness feeling off balance and lightheaded like complete brain fog. I kept zoning out feeling like I was not in my own body. Eye lag. And body aches. I am still suffering from side effects I'm definitely never taking this again. F 28 5 days
1X day
1/5/2022
Email
 1  Worst allergies ever it worked somewhat which would be attributed to i was told by a friend to try the kid's version which i am happy i did as i have slept away the last 4 days, i'm in slow motion even when up, my eyes hurt so bad from tiredness and I've literally been awake only 8 hrs of each day. I'd rather blow my nose. F 52 5 days
5 1X day
9/21/2020
 1  Seasonal allergies Do NOT TAKE THIS! DO NOT TAKE THIS! My husband got so dizzy he ended up at the hospital. I've been taking it & thought I was having a total breakdown for an unknown reason until I looked for reviews. I would rather be drowsy that feel this way. My joints hurt, I have an awful headache. My heart was pounding. My anxiety was awful. My family was worried for me & I was in awful shape. If you have even the slightest anxiety, this is life changing & not in a good way. This should not even be on the market they should be sued. It's not worth it!!! F 45 5 days
1X day
7/24/2020
 1  vertigo took it thinking it was going to help with vertigo-like symptoms, realized it was the claritin all along, heart-palpatations, vivid wild crazy nightmares/dreams, complete and total lack of concentration, gastrointestinal side effects, feel like i was in a fog for days, DO NOT TAKE THIS MEDICATION you will not feel normal for days if you are a pot-smoker, recreational or anything along those lines i absolutely had the worst experience ever, been smoking off and on for years and never had a worse experience with taking an over the counter drug, watch out i do everything the natural way, took a doctors advice and the pharmaceuticals made everything worse M 21 5 days
10 1X day
5/14/2011
 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 day
5/29/2010
 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 day
5/2/2010
 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 day
4/26/2010
 1  Hayfever I don't usually participate in forums, but after taking Claritin for 3 days, I experienced what I can only describe as a juddering sensation throughout my body and have been unable to sleep for for 4 nights. This is not the only type of medicine that should not be sold over the counter in Britain, I have experienced certain laxatives that have been banned in the likes of France but are still sold in Britain. I am very nervous about what I take now in Britain. Be very cautious about what you take generally. F 49 5 days
1X day
5/17/2012

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