Drug Ratings for CLARITINAverage Rating: 2.0 (910 Ratings)
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Results are sorted by Date Rating Was Added Key to Ratings: 1=LOW (I would not recommend taking this medicine.) |
Charts & graphs: Reviews Summary for CLARITIN | Top 10 Adverse Effects (reported to FDA)
| RATING | REASON | SIDE EFFECTS FOR CLARITIN | COMMENTS | SEX | AGE | DURATION/ DOSAGE | DATE ADDED |
  | F M | | | | |||
| 1 | skin reactions | Took it yesterday morning after breakfast. Started to have a cough about 10 min later when lying down. Hours later I was talking to a friend and developed a nagging persistent choking cough on and off for over a half hour. Woke up after only 2 hours sleep wide awake with a cough and weird dreams and a strange uneasy feelings. | If u have a history of acid reflux stay away from this drug! | M | 62 | 1 days | 6/30/2017 | 1 | Allergies | All of a sudden my body started aching from head to toe! I could Really feel it in my Legs, Arms, Hands, and Shoulders. I also had Very Vivid Dreams and would wake up Extremely tired and just couldn't get it together. I had absolutely no idea what it was until I started reading these reviews. The worst part is it didn't relieve my allergy symptoms. | My doctor suggested I try a children formula of another brand. The aches and pains were the Worst with Claritin! | F | 10mg 1X D | 5/17/2017 History | 1 | Generic Loratadine | Altered and change in sense of smell and taste; diminished/reduced sense of smell and taste; terrible smell and taste for things that were previously pleasant to me; dry nasal passages | My allergies have gotten worse and end up as a chest cold so I decided I wanted to try to avoid that. I took the generic Target brand claritin (active ingredient loratadine) for about 3 weeks. My allergy symptoms were much improved but I did have dry nasal passages. After about a week and a half I noticed that things were smelling and tasting very odd. The perfume I'd worn for years smelled like chemicals, my body odors were altered (urine, feces, sweat, etc), food was tasting different and smelling different. I love cooking and eating but the smell of food cooking made me queasy, frying onions and garlic was my favorite but it became awful to smell. I knew my bottle of perfume wasn't the issue as it wasn't a new bottle so it could no have been an altered formula. My husband noted no difference in how things were smelling. After about 2.5 weeks of this I finally started getting concerned and started researching anything that I'd done different or new. I finally came across information related to loratadine changing sense of smell/taste and immediately stopped taking it. I waited a few more weeks with no change and continued to experience altered smell and taste. I finally went to an ENT after about 8 weeks of this. The ENT had no significant concerns at my appointment but we followed up with a message and he is now recommending I have an MRI of my brain. After reading other peoples reviews I'm unsure if I should have the MRI because it is a LOT of money and may result in noth | F | 28 | 22 days 1X D | 5/11/2017 | 2 | allergic conjunctivitis | abdominal pains | no noticeable relief | 66 | 40 days 1X D | 5/4/2017 | 1 | Allergies | Made me crazy! Horrible mood, ate everything in sight, headache, muscle aches, racing heart and agitated. Will never take again | F | 54 | 1 days | 5/4/2017 | 1 | Allergic Rhinitis | Severe stomach and chest pains mimicking a heart attack. | I had taken the generic of Claritin for a while with no adverse effects. I suddenly had severe heartburn symptoms that would exacerbate with any type of activity, even walking. When I say severe, I mean clutching my chest and wondering if I needed to call an ambulance. Long story short, after two weeks of agony, changing my diet and my doctor prescribing Protonix, all to no avail, I ran out of Claritin. By the end of the next day, I was fine. I asked myself what had changed to make such a dramatic difference. The answer: I hadn't taken loratadine the night before. A day later without taking the medication, I drank coffee again and ate mild Mexican food. My stomach symptoms cleared up completely. If I hadn't made the association, the doctor would have sent me for all kinds of tests and put me on more medication. Stay away from this medication. | M | 57 | 1X D | 5/3/2017 | 1 | allergies | Do not take this medication!!! I usually take Benadryl but did not want the drowsiness. Within one hour of taking this I have a swollen throat, dizziness, anxiety and feel terrible. I will never take this drug again. | F | 48 | 1 days 10 mg 1X D | 4/29/2017 | 1 | Seasonal Allergies | Felt like I was horribly drugged up. Worked for allergies, yes, but at what price? I couldn't sleep, my heart was racing. I felt senses of depression, brain fog and depersonalization. I would never recommend to anyone. Has anyone else ever had weird brain fog and confusion while using? If so let me know.. hope i am not alone. | Threw out package. Would never use again. Weird feeling took days to shake. | F | 36 | 2 months 10 1X D | 4/26/2017 | 3 | Allergies/Asthma | Drowsiness, loss of focus at work, making small mistakes, brain fog, sleepiness | I've been taking it for a while. The children's dose. It is supposed to be non-drowsy but it makes me sleepy and foggy. I feel drugged. I make small stupid errors in judgement and in typing when I'm taking the med. I'm not able to take steroids so I'm stuck with antihistamines. I have the same problem but worse with allegra. Both non-drowsy allergy meds make me tired. | F | 45 | 1 months 5 1X D | 4/20/2017 | 3 | Seasonal allergies | Doesn't seem to help with my allergies. I used it during the winter time to help against dust allergy and it was OK - but now that it's spring time I have horrible allergy symptoms even on claritin. Does not give any unwanted symptoms, does not affect my mood or sleepiness level. | Does not help me with sneezing, or itching eyes and nose. Does seem to help prevent sinus infections a bit, and helps my nose to not run continuously, although I still do blow my nose a lot. | M | 40 | 4 months 10 MG 1X D | 4/17/2017 | 3 | For sinus and ear problems | I have shortness of breath and fatigue no energy. | F | 74 | 3 years | 3/19/2017 | 1 | Seasonal Allergies | Anxiety. | I've never felt anxiety before, until I took Zyrtec.. I had a bad experience, so I tried Claritin about 6 months later to see if it was different. At first, everything was fine. It worked great. But after about 3 or 4 days.. there it was again. The paranoia, the anxiety, but not as severe as what I experienced with Zyrtec. Now, I'm frustrated. I really need a good Allergy medicine and I'm scared that I'll get those stupid symptoms again. I read the comments on Allegra and they're even scarier than the other two. I guess for now, I'm back to good ol' Sudafed and benadryl, which both are too powerful. | M | 43 | 14 days 10 1X D | 3/16/2017 | 1 | Allergies | Heart racing, dizzy, stomach pain, dry mouth, and anxiety big time. | The doctor took me to take Claritin. I tried it a year ago for spring allergies and experienced weird heath issues. I did not connect it to Claritin. Went back to it about 20 days ago and at first everything was fine, then my heart starters to race and I felt light headed. I took it Saturday morning and then in the evening I Found this sight and decided to go off. Didn't take it Sunday morning and by 1:00 I was so dizzy and my heart was racing so fast I thought I was gonna die!! By evening I had the worst headache in my right side and beck area. Woke up today, heart still beating a little fast and so dizzy still. I hope this gets out of my system soon… Don't know what else to do to help it clear out faster… Please let this be a warning to help others.. The doctor said this was safe clearly not for everyone!! | F | 61 | 1 months 10mg | 3/6/2017 | 1 | seasonal allergies (pollen) | anxiety, depression, feeling that head is going to explode. family thought that i was developing anxiety due to some previous stress unrelated to the allergies that I was still dealing with. Their understanding of what was happening to me got me more anxious and doubting. And then I found this website and saw what happened to others with only 1 dose. I have been of of claritin for 3 days now. I still feel medium to high anxiety but I am feeling better than on the second day. I am taking multivitamins and 1 to 1.5g of vitamin C everyday. I also drink a lot of electrolytes (gatorade, powerade) for the salt an potassium. It seems that it helps. I will never take that drug again and will not recommend it to anyone. | F | 37 | 2 days 10mg 1X D | 3/2/2017 | 1 | Allergies | Mood swings, pain in mouth, loss of taste, anxiety, depression | While Clariton did seem to help my allergy issue, the side effects make this medication a big no-no for me. I only took one pill and the next day I thought I was losing my mind! I was irritable, snapping at my husband for no reason. I had horrible anxiety and even depression, which I've never had. I was so anxious, exhausted, foggy... It was horrible. My tongue and mouth hurt. I completely lost my taste the NEXT DAY. It's been three days and I still don't have it back. It's crazy one tablet did all this damage. I hope to feel normal soon! I've been researching side effects like crazy and found out in here that these things were happening to other people as well! | F | 27 | 1 days | 2/13/2017 | 1 | sinus allergy | Teeth sensitivity unbearable, finished taking them 4 days ago, never experienced the pain i am suffering. I. also have muscle pain on one arm and unusual weakness in my wrists . Never again will I take claritin | F | 40 | 2 days 10mg 1X D | 2/7/2017 | 4 | Hives / Cold Urticaria | I have always had an allergy to the cold (yes this exist) and i develop hives when i am exposed to cold weather for a long time. The doc said at first it was allergy to detergent, but allergist told me it was the cold. I have been on Claritin for about a month and it's worked. I still get some deep red spots, but they go away very quickly. | Urticara has to do with my body cooling down quickly and the release of histamine. Claritin acts as a histamine blocker. No more hives and I only need to take it when the weather is below 35 (lucky me I live in Chicago). I plan to stop taking it once spring hits and see how I feel. I do get fatigue in the middle of the day, no hair loss, change in appetite or other issues so far. | F | 28 | 25 days 10 1X D | 1/31/2017 | 1 | Seasonal allergies | Burning eyes, hot skin sensation, stomachaches, scaly dermatitis, high BP. My thanks to whoever posted on 6-28-16: "Day1 Hyperactive, felt great. Day 2 Mild allergy-like symptoms return. Except eye irritation becomes worse..." She describes EVERYTHING I've suffered for months! My stages were very similar, but over a longer term. My "Day 1" was a few weeks feeling energized, then all the sxs she lists ("burning eyes" #1!), worsening to the point of SCARY! Like her, I mistook the side effects of Claritin as sxs of allergies - the season has been longer, more intense this year. I see now, the nights after taking the most Claritin during the day (fighting its side effects with more of it!), I had the most awful sxs of scalding eyes, stomachaches, hot flashes. Bad dermatitis that even cracked and bled after I began Claritin. I took NONE at all ystrday & drowsed thru the day with benadryl - and slept WELL. For the first time in weeks, I woke NOT feeling lik | As has been said, suffering the allergies (or the drowsiness of benadryl) is better than the scary miseries of Claritin for me. I feel so foolish now for having treated its side effects (thinking they were the allergies) by taking more and more of it (going from 10mg to 20mg, and finally 30mg a day). What a colossal waste of money and peaceful sleep! | M | 60 | 3 months 20 mg 1X D | 10/19/2016 | 1 | seasonal allergies | I thought I was losing my mind I couldn't figure out why my arms were so weak and I was so weak and no energy,restless. Unable to sleep stomach cramps feel just terrible never again also dizzy unable to think straight | F | 58 | 1 days 10 mg | 8/30/2016 | 1 | Skin allergy | Side effects were vomiting, stomach cramps, inability to sleep and diahera. | Worked have been nice for the doctor to explain the side effects. I'm on a cruise ship and have wasted too many days in bed trying to get over it. | F | 43 | 2 days 10mg | 8/21/2016 | 1 | Sinus drainage | Wooziness, dizziness, numb feeling in hands and feet, confusion, blurred vision, mental delay | This stuff is AWFUL! I have been recovering from mono, strep, and a sinus infection all at once so I wanted something to keep me from draining in my throat. It helped the drainage, but made me feel like I was crazy. I debated going to the ER before I realized I've been taking the generic (loratadine) for the same amount of time as I've had symptoms. Claritin affects my sister very badly, too. | F | 19 | 10 days 10 MG | 8/12/2016 | 2 | Vertigo | Restlessness, lightheaded, dizzy, nausea, headache, confusion | F | 32 | 4 days 5mg 2X D | 7/11/2016 | 1 | Seasonal allegies | Nausea, vivid nightmares,night sweats, hot flashes, bloating, loss of appetite, change in taste, paranoia, intense depression, anxiety, rapid heart beat, irritability, moodiness, headaches | I was convinced I was pregnant until I thought to put two and two together and realized all of these symptoms started when I started taking claritin. I got flutters of anxiety in my stomach over the weirdest things, I felt legitimately terrified to go to sleep because of the nightmares, I treated everyone around me like garbage like could've ruined my relationships. If you are bipolar or have any sort of mood disorder I would absolutely not recommend taking this cause it sends you on an evil war path for some reason. I couldn't figure out why I was being so mean to everyone but looking at other people's symptoms, this makes perfect sense! I can't believe an allergy pill can turn a person into such a lunatic! | F | 21 | 2 weeks 10MG | 6/28/2016 | 1 | running nose, itchy eyes, sneezing | Day1 Hyperactive, felt great. Day 2 Mild allergy-like symptoms returns. Except eye irritation becomes worse than original symptom. Dry mouth, sleepy. Day 3 Mild rash. Attribute rash to adhesive sensitivity as rash appears around minor skin wound site. Day 4 Rash becomes raised and painful, moves to parts of chest, face and ears, wound site looks angry, skin becomes extremely sensitive to sunlight. Discontinue Claritin. Day 5 rash and swelling go down in afternoon. Expect rash to disappear in 24-48 hrs. Waiting for Dr appointment. | I mistook the reaction to Claritin for the allergic reactions I was using Claritin to treat. Starting Claritin caused inflammation, soreness, dry red itchy eyes. Led to inflammation and hives around wound site, causing site to appear angry and infected. Stopping Claritin caused the inflammation and rash to subsided and wound site looks much better. Taking Calritin caused far worse symptoms than the original hayfever symptoms and lengthened wound healing time. | F | 40 | 4 days 10 1X D | 6/28/2016 | 1 | Seasonal allergies | Anger. Figured as I'm small, perhaps a children's dose would help. This stuff just throws my mood into a tailspin. Thus is now the third time I've attempted Claritin, and same effect each time. | F | 35 | 1 weeks 5mg | 6/8/2016 | 1 | Seasonal Allergies | Insomnia, and a very odd sensation in my head . An overwhelming feeling of uneasiness.in my body and head. Two days later I had some wheezing, and pressure on my heart very odd I attributed it to Clartin | Clartin did stop my allergy symptoms, but the side effects are too much anything that has a mile long of side effects is not for me! I stopped after one pill. I going to see my naturopathic doctor and go with a more natural option that works with the body without all the side effect, | F | 3 | 1 days 10mg 1X D | 5/31/2016 | 1 | Seasonal Allergies | This drug had a terrible effect on me. It wasn't until I found this site, that I realized that Claritin was causing my issues! I began having migraines, Scintillating scotoma they are called. Couple this with anxiety, weakness in my arms and legs, I was a mess! I was going to doctors, getting Cat Scans, getting tested for hormonal issues. This is absolutely crazy! The drug companies only care about their bottom line! I'm so happy I found this site! | F | 39 | 7 weeks 10mg 1X D | 5/25/2016 | 1 | Seasonal allergies | I can understand the claim that claritin nearly destroyed a marriage. I usually take Allegra during my seasonal allergy episode. Heard great things about claritin and decided to give it a try. Began working after 3 days. After a week, I noticed things began to smell and taste strange. Bacon and eggs were horrible, I love bacon and eggs. Steak may as well have been rotten and baking in the sun on a hot road for a few days. I swear I could taste the dish soap used to clean dishes and told my wife to stop using that brand. I became certain she was washing, but not rinsing the dishes properly and we went through all the dishes several times so I could be sure it wasn't the soap. The smell of food cooking became nearly stomach turning. The final straw was when a co worker and I went to make a repair on a new boat. The crew was cooking. I smelled bad grease, and asked him what he smelled. He replied, "smells like Thanksgiving dinner." I stopped taking claritin and went back to Allegra. It took almost a year to regain my sense of smell and taste. Took claritin for nearly a month. My suggestion, if it works for you, more power to you, if you notice strange smells, especially breakfast, stop taking it right away! This is not a joke, I don't care what the write up, or contraindications (sp?) say. This actually happened to me. Hope this helps someone. | M | 44 | 1 months | 5/23/2016 | 2 | seasonal allergies | Extreme fatigue, muscle aches, occasional shakiness and feeling cold and loss of mental focus. Sleep has been disrupted and I have been needing to take daily naps, despite being highly physically fit and active. Like other readers, I chalked this up to a stressful time in my life and work schedule and perhaps going through having a minor bug or low adrenal functioning, or the being in the early stages of peri-menopause. I have felt more reactive than normal, but again thought it was due to disrupted sleep alone at first or possible other issues, as listed. Stomach issues increased too, and have had lower back pain for the first time in my life. After reading more on the side effects, I'm finding my cluster of symptoms resemble several other patients' self reports. I am stopping Claritin- not worth the side effects. | It does initially work well for stopping extremely bad allergies- I'm not usually bothered but the east coast this spring left me with breathing issues starting in April, so I started Claritin to continue the outdoor sports and activities that I enjoy. I do think some of the effect is cumulative and am hoping that this will start to work itself out of my system, but expect it may take some time. I won't take the chance again, however, with Claritin, as I really think the side effects I'm experiencing are directly linked to this medication. I recently had to change my primary care physician due to insurance changes, and she did not take my change of energy that seriously, but I don't think is aware of how drastic a difference this has been for me. I will re alert the practice to the fact I due feel this is an issue specifically with Claritin. I plan to report my issues to the FDA (Anyone may report side effects to FDA at 1-800-FDA-1088) | F | 46 | 28 days 1X D | 5/19/2016 | 1 | Seasonal allergies | Depression, suicidal thoughts, insomnia, short term memory loss | When I started taking Claritin it did relieve my allergy symptoms but also was unable to sleep at night, and the few minutes of sleep that I caught here and there I would have nightmares. I was depressed every day, and at times I would just cry about nothing or something stupid, also had thoughts of suicide. Boyfriend finally had enough of me one day and asked me what's going on with you you're acting different, is there something your not telling me. Finally things came to a head one day and was unable to take Claritin for a couple days and all of the sudden I realized I was my normal self again. F*** Claritin | F | 34 | 1 months | 5/11/2016 | 5 | hives | none | I've been having hives off & on for several months. Tried Zyrtec which worked, but when it wore off, symptoms came back with a vengeance! (also made me drowsy) So I tried Claritin and it has been magic! Although recommended dosage is 10 mg 1x day, I found all I need to do is to take 1 tablet every 6 days and it works like a charm. | M | 54 | 6 weeks 10 mg 1X W | 5/4/2016 | 1 | Allergies/Sinus Pain | First dose seemed to help, but noticed that night I could feel my heart beating hard. Didn't think much of it because it'd had a stressful day. Fell asleep and took another this morning and an hour later I could feel my heart pounding and I felt very jittery, and then started getting anxious. My HR was around 100BPM and normally i'm at 70. I went to urgent care and on my way there my hands started tingling and felt cold, and my mouth went dry. The doctor said some people have this sort of "fight or flight" reaction. I wish I had known this because I never would have taken it. Terrible feeling. | F | 28 | 2 days 10 MG 1X D | 5/3/2016 | 2 | Decongestant | I am taking Amoxicillin too and fluoxetine and a generic birth control medication, so I can't be sure. I have been pounding the IBU profen as well... But I am guessing after seeing this page that my numb/swollen? tongue and continued pain in my throat and rabid thirst may be due to the Claritin D, some people swear by the stuff but I am going to switch back to Musinex D and hope that I can taste food again tomorrow. | F | 28 | 3 days 1X D | 5/1/2016 | 1 | seasonal allergies | no side effects - no effects at all - it was as if i did not even take anything! pretty worthless for me | F | 51 | 1 years 10mg 1X D | 4/21/2016 | 5 | Allergies | No side effects. I feel absolutely amazing on this and almost can't live without it. | Claritin-D 24 hr is the best thing to ever happen to me. I like to breath and not feel sluggish and sick all the time and this does the trick. | F | 30 | 10 months 24 hr | 4/14/2016 | 1 | For allergy | If you have ever had joint pain issues, this stiff will exacerbate it to the point where you may scream with pain as I did with one pill. My left knee blew up to the size of a grapefruit, unable to leave my bed. This is a horrible drug and this side effect should be listed on the box. Never again. Where is the FDA when we need them? | F | 67 | 1 days 24 hour | 4/9/2016 | 1 | Normal allergies | Unexplained anger, depression, paranoia, isolation | I have been testing this the last few weeks and on days that I would take claritin I would have all the listed side effects on days that I did not I would feel completely normal again I would not recommend this to anyone especially is they already suffer from depression | F | 25 | 1 years | 4/9/2016 | 1 | Allergies | I noticed increased appetite, and horrible mood swings with depression. never taking this again. | F | 59 | 10 days 30 mg | 4/8/2016 | 1 | cold, runny nose | This sh** is evil. Depression, anxiety, and a very vicious headache in the neck area, like I never had before. Still counting after two days. Whoever invented this poison should be stoned to death. Stay away!!! | M | 39 | 3 days 10 1X D | 3/30/2016 | 1 | runny nose- itchy eyes- itchy nose- | Heart rate so strong i thought it would burst- dizzy- unstable - headache- feeling terrible!!!! | Never use it again and will tell everyone my experience and hope they do not use it!!!!! I believe it could kill you!!! | F | 73 | 1 days | 3/19/2016 | 1 | Allergies | Could not sleep for a very long time | Cannot believe that one was the first major side affects should have been sleepless | M | 65 | 1 months 10 mg | 2/12/2016 | 1 | Allergies | For the last year I have not felt like myself always felt sick and rundown said things I don't remember saying snappy stomach aches changes in menstration depressed overall a horrible experience I will never take again only 2 days off and I'm starting to feel better......to all BiPolar people out there do not take this medication if you are on any sort of mood stabilizer.....your discomfort of allergies is not worth feeling this way!!!! | F | 36 | 1 years 10 MG | 2/6/2016 | 1 | Allergies | I was short tempered and I didn't think anything about it. Then I had a really bad anxiety attack . Got home and I started crying uncomfortable. So I look to see if any side effects and I find this and like (WOW) I'm not crazy, I thought I was losing my mind . But obviously I was not its this Clartin and I will never take this medicine again. They really need to put warning labels on box because if someone has depression they are going to have A very bad outcome. I feel normal after stopping this med. | F | 49 | 1 months 10 | 2/3/2016 | 1 | Allergies | Stiff and painful joints in hands, elbows, knees and hips. Swelling of hands and legs. Vertigo when I would wake up. Horrible bloating and gas that would rise into my chest and burning in my stomach. Hard time going to Sleep. Hard time concentrating and a bit loopy. No motivation. | I started taking Claritin in May of 2015 for my allergies. I liked it because it did not make me zombie like. It still made me a bit loopy but I could deal with it. I started having bad joint pain in my hands and knees, so bad that I could hardly climb up and down stairs. I asked my doc and she said that I was getting old (46) and it was to be expected especially with menopause coming on etc...I did tell her that Claritin was making me a bit loopy and she basically blew me off and said Claritin does not have those type of side effects and that even airplane pilots were allowed to take it because it was so safe. I took her at her word and continued to take the Claritin with no further thought. In October of 2015 I ran out of the Claritin and since it was winter did not pick up anymore hoping that I would not have to worry till spring. Through the holidays my allergies were tolerable and and interestingly (though I did not put 2 and 2 together) my bloating and stomach burning went away, my joints no longer hurt and started feeling pretty good. About 2 weeks ago I was hit by a bout of allergies and picked up some Claritin. I took the 1st pill on a Thursday and by Monday I felt the familiar stiffness and pain in my left hand and had horrible bloating. By Wednesday my knees hurt so bad I could hardly walk down the stairs and I could not even close my left hand in a fist and my right hand was also acting up as well as my elbows. I have not been on the Claritin for 4 days now and | F | 47 | 9 months 1X AN | 1/28/2016 | 1 | Allergies | Dry nose, dry mouth, dry eyes, slight difficulty breathing | After taking a dose of Claritin, I started to have slight difficulty breathing because it closed off one of my nostrils. It also made my nose very dry, as well as my mouth and eyes. It only gave slight relief to my allergies. I wouldn't recommend it | F | 23 | 1 days 10 mg | 1/9/2016 | 1 | Allergies | Irregular heartbeat, then racing heart beat, felt like I was floating, my legs were very fatigued, dizzy, shaking, nervousness, anxiety | I have had 2 incidents were I took claritin and I then experience irregular heartbeats (like if it was an arrhythmia) and then racing heartbeat, shakiness and nervousness with feeling very weak. It was the worse experience ever. I was sitting in front of a computer at work (orientation) and I had taken 10mg of claritin and exactly an hour later, I started to feel dizzy, then as I was walking I felt as if I had to focus on putting one foot in front of the other, My legs felt very weak. In addition, it the symptoms got worse, then I felt my heart like skip a couple of beats, and then beating super fast. then my hands were shaking and Then my whole body. All I could do is drink a lot of water and hope I could flush it out. this happened just yesterday. It was a scary feeling, it was horrible..I threw away the claritin bottle. I will never take it again and will never give it to my children. | F | 42 | 1 days 10 mg 1X D | 12/12/2015 | 1 | allergy | Heart rate 100+ & I only took 1 pill on Monday today is Wednesday, extreme irritability, anxiety, insomnia, horrible dreams and dry mouth & eyes! | I've always used Claritin for seasonal allergies and I'm not sure if they switched some ingredients or what but I can not and will not take another pill. Makes you feel like your having a heart attack because your heart is beating so fast and that's not a good thing when you have a anxiety disorder like myself! Hadn't used any of my anxiety meds in over a month until I took 1 Claritin & there came the anxiety! DO NOT TAKE THIS MED IF YOU SUFFER FROM ANY HEART CONDITIONS OR ANXIETY! I'M PRAYING THIS GOES AWAY SOON! THEY SHOULD HAVE A LAW SUITE RIGHT NOW FOR THIS MED! | F | 35 | 1 days 10 mg | 11/25/2015 | 1 | Allergies | Anxiety, rapid heartbeat, anxiety attack, shaking. Totally not my srlf | I had been taking this for my allergies. I had terrible anxiety, rapid heart beat, fast pulse. I was so worried. I had an EKG and blood work. Nothing was wrong. I now know it was the Claritin. Terrible drug!! | F | 40 | 1 days 10 | 11/7/2015 | 3 | allergies | Severe stomach pain, intestinal problems and dry mouth. Side effects not worth taking the medication. | F | 59 | 3 days 10 | 10/24/2015 | 1 | Allergies | Since I started Claritin, I've been having severe stomach pain, severe nausea and constipation. Been dry heaving due to stomach pain and/or nausea. Can't think clearly at all. Very restless sleep. | I was on Zyrtec and it did lessen my allergies so I tried Claritin. Claritin did alleviate all my allergies but the side effects are simply not worth it. | F | 32 | 4 days | 10/21/2015 | 1 | Allergies | I stared Claritin, and loved it, my allergies were gone!! 3 days later I felt groggy, tired, depressed, and my libido totally died, I mean dead, the thought of my fiancé even being close to me grossed me out, I even needed distance from my 3 year old. Some shallow people would site "other problems" as the underlying cause, well I had a high libido, had sex 5 times a week and masturbated at least twice, it died. I never even thought about Claritin being the problem, I though maybe depression, then went and had my thyroid checked, nothing wrong, my sweetie found a post talking about Claritin libido loss, I skipped a day, 24 hours later I was back!! In love, cuddly, sexy me, I'm on day 3 off of Claritin and I swear I may be hornier and happier than I have ever been!. So, can Claritin ruin a marriage? Hell yes it could, unless your loved one likes cold depressed, sexually dead people | F | 25 | 2 weeks 30 | 9/13/2015 | 1 | Extreme seasonal allergies | Hyperactive, racing mind and attention deficit, in that it was hard to focus on any task for long (ADHD?); increasingly aching joints to the point of real pain, then ultimately an extreme lower backache (not experienced before Claritin); disrupted sleep (often by the pain mentioned above); suddenly lowered libido; vivid bizarre nightmares, followed by lingering "aftershock" in the morning, plus exhaustion, depression and a despairing lack of motivation to do anything. (All of the above on 24-hour Claritin Reditabs, NO pseudoephedrine - i.e, NOT Claritin-D.) I had to take increasingly larger dosages of aspirin, turmeric, and finally meloxicam (which pretty much incapacitates me and raises my BP to alarming levels) and xanax, just to stop the increasingly excruciating arthritic pain and nightmares, and to get some sleep. Much like getting a "fix" on an illegal drug, 20 mg of Claritin and coffee would have me allergy-free once again, emotionally up and ready to go | I would give the basic Claritin two stars, maybe three, because at first, it DID relieve my severe seasonal allergy symptoms amazingly well without drowsiness at 20 mg a day (the recommended dose in many countries other than the US). 10 mg did not seem to relieve allergy symptoms very much at all. Rather than causing "increased sedation" as the literature suggests, the 20 mg actually felt like a shot of espresso at first (and this without pseudoephedrine [Claritin-D] involved). But the boost in energy and motivation lasted no more than 8 hours. The rest of the promised 24 hours was a long period of exhaustion, insomnia, inertia, aching, irritability, paranoia, unexpected feelings of resentment and bitterness. As others have commented, I felt as if my very personality had changed - from tolerant and let-it-go to bitter and hostile. This is a very insiduous drug. | M | 64 | 6 weeks 20 mg 1X D | 9/11/2015 | 1 | Sinuses, fluid in inner ear | I have been experiencing some sinus issues, along with dizziness because of some fluid in my inner ear for about 5 days. So I went to the doctor to get prescribed something to help with the sinuses and dizziness. She prescribes me Alavert (generic for Claritin). I WILL NEVER TAKE THIS MEDICATION AGAIN! Literally within hours of taking my first dose, I start experincing racing heartbeat all throughout that night. Then right before I try to go to sleep my entire left arm completely falls asleep. So I literally got no sleep that night between my heart feeling like it was pumping out my chest and my arm feeling like 10000 needles are poking it. The next morning I awake up , my heart has calmed down but my arm is still a very numb. Completely oblivious to the fact that this medication is the reason why I'm feeling all out of wack, I take another peel right after breakfast, the rest of the day I felt horrible! My heart continues to race and pound extremely hard, my arm was still numb as hell and to add on to that My neck/throat was rightening up on me! Felt like my lymph nodes all along my neck were swollen! I have not taken another pill since this morning and I am still experincing the racing heartbeat,numb left arm and swollen lymph nodes in my neck! Trust me the side effects of this pill are not worth it all! Stay way! | If you're experincing racing heartbeat, get a bucket/bowl of ice cold water and dunk your entire face in for 20-30 secs this helps bring your heart rate down. If it doesn't help the first time you dunk, try it a couple more times.Doctors use this method when patients come in with racing heartbeat before resorting to medication. Hope this helps someone. | F | 20 | 2 days | 9/6/2015 | 4 | Seasonal Hay Fever | Dry nose | I find Claritin to be not as strong as Zyrtec. It relieves my hay fever pretty well and doesn't make me noticeably drowsy unlike Zyrtec can. It does cause me to have dry nose with crusting, as do all antihistamines. | M | 27 | 3 months 2X W | 8/28/2015 | 1 | Allergies | Pelvic pain and urinary incontinence. Also extreme burning and itching-especially vaginally. Also insomnia, irritability, depression, and paranoia. | DO NOT UNDER ANY CIRUMSTANCES take this so-called medication if you have ever had any genital or urinary issues. It doesn't just leave your system but takes a few days and you suffer for all that time. Should be seriously reevaluated by Food and Drug. Certainly not for OTC use. | F | 64 | 10 days 1 1X D | 8/8/2015 | 2 | Allergies and hives to dust | Extreme anxiety and depression. I found myself feeling paranoid and angry over the most random things. Night sweats and fatigue in my legs. Occasional hot flashes during the day when I had an anxiety episode. Dry mouth after 2 days of taking it and random feeling of tingles throughout my body. | Although it took care of my itchiness and hives, the side affects of depression and anxiety is not worth it. Exploring other options. | M | 25 | 5 days 10 | 7/22/2015 | 1 | Seasonal allergies | Took Claritin for seasonal allergies experienced heart palipations as well as shaking and anxiety. Not worth the trouble to take this medication. I'll stick with the nasal sprays. | F | 27 | 1 days 10 mg | 7/16/2015 | 1 | Allergies | Dry eyes. | Would have loved to be able to take this medication for my allergies, but the dry eyes from the medication was just too annoying. | F | 26 | 5 days 10 mg 1X D | 7/13/2015 | 5 | general allergies | None. | I don't know where these people are getting such wacky ideas, e.g. "claritin almost ruined my marriage." I can only surmise that these are very confused people who aren't mentioning the context of their ostensible problems, such as other medications they are concurrently taking, or pre-existing conditions. I can see how claritin with pseudoephedrine, for example, might result in some of the symptoms being described, but loratadine itself is such a benign drug, and has no such contraindications or side effects as some seem to believe it does (on this Web site anyway). It sounds to me that many people here are experiencing nocebo effect, which is (simply described) the converse effect of placebo. I'm curious to see (which I will check) if people like this also make such wild claims about other innocuous drugs. Claritin nearly ruined your marriage...very funny! | M | 33 | 20 years 10 1X AN | 6/8/2015 | 2 | seasonal allergies | Tingling/numbness through arms, extreme irritability. | M | 34 | 1 months | 6/7/2015 |