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  allergies i thought i was going crazy, extremely impatient, irritable, moody, felt like the worst pms that wouldn't go away, severe depression, horrible constipation,could not figure out why after excersizing 5 days a week (for weeks w/ personal trainer)and diet overhaul.. not losing weight..never had problem before claritin.. i am so glad i found this site before i had myself commited.oh, my poor family and what they had to deal with.. F 30 3 months
4/16/2005
 1  Allergy Increasing dizziness, lack of concentration, racing heart, eventually difficulty in walking and. Driving thought having heart attack. Dr thought vertigo. Once stopped symptoms cleared after several days. Was taking in morning F 64 3 months
24 hr
10/29/2014
 1  Allergies Exhaustion, foggy head, weigh gain, out of it feeling I have allergic asthma. I am very allergic to dust, and perfume. Unfortunately, that is everywhere. I have trouble taking adult doses of medicine... So I take the kids dose. I took Claritin for 3 months until now. I gained 6 pounds. I woke up tired. I had no energy. Felt like I had a thyroid issue. They say it is non-drowsy,but it made me sleepy, even taking it before bed time did not help. The weight gain was a bad side effect. I guess I'll just lump it. No more allergy meds for me. I'd rather have my nose run. F 48 3 months
5 MG 1X day
1/30/2020
 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 day
10/19/2016
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 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 day
4/17/2017
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 3  allergies After taking Claritin for 4 months straight on a daily basis, I decided the medication was making me nervous and anxious. I tried to quit taking for a few weeks and always got nauseous and headaches if I missed a dose. Finally decided to stop altogether. Was throwing up with pounding headaches for a few days afterward. However, the anxiety is gone. The medication did work well on my allergies, NOT WORTH THE SIDE EFFECTS. M 41 4 months
11/14/2008
 3  constant sniffles sneezing 30 years thirsty, keeping water at bedside suspect loss of libido due to this F 59 4 months
1/26/2007
 3  allergies When I went to give blood, the nurse delayed me because my heart rate was above 100. I thought it was because I was running in the rain. Two months later, the same thing happened. The nurse suggested I reconsider the switch to Claritin-D. I did not have this problem with Allegra-D, but the insurance company dropped that drug from my choices. I've also had a very short fuse for tears recently. I thought it was because my oldest child is soon to leave home, but it might also be a chemical problem. Claritin-D 24 hr has worked fine dealing with my allergies. M 46 4 months
8/24/2004
 3  Sinuses stuffy F 60 4 months
12/22/2006
 2  indoor & outdoor allergies At first, racing heart, would put me to sleep then I would wake up an hour later with racing heart and thoughts. After taking for a few days, bloating of face and abdomen, gas. I first tried Claritin-D several years ago but stopped due to feeling foggy. I tried it again as an OTC beginning in October 2007 and after a week or so noticed I felt "puffy." I didn't seem to put on pounds but my clothes were definitly tighter and my face noticably bloated. I switched to Zyrtec this week (Feb 2008) and my face and abdomin went back to normal within about 48 hours. The change was drastic enough that my friends,family, and co-workers noticed a difference immediately. Although Claritin-D did decrease my allergy symptoms, the effectiveness was not worth the side effects. I am also concerned about the long term effects on my heart of a daily dose of 240mg of Pseudoephedrine sulfate. I have opted instead to use Zyrtec and take pseudoephedrine separately only as needed. F 39 4 months
2/18/2008
 2  allergies Jitters, light headedness and slight blurred vision. I felt as though some thing was squezzing on my head causing my vision to become blurry almost to the point of double vision. It does not relieve the vast majority of my symptoms and does nothing for the extreme headaches I get from my allergy attacks. I used to take this regularly but stopped because I need the decongestant and pain relief. A doctor recommended I try again and this reminded me of why I stopped the first time. As with all drugs check out the side effects before you start. Some are not worth the pain. I was recommended to put my son on this but after reading the reviews I will not. He has ADHD and there is no way I am going to mix this with his already unpredictable behavior. M 42 4 months
6/27/2007
 1  Tree Allergies DEPRESSION, MISERY, NEAR PARANOIA - ALMOST CAUSED A DIVORCE IN A 24 YEAR HAPPY MARRIAGE!!! This medication almost cost me my marriage! I had no idea that an allergy medication could cause depression and weird feelings of worthlessness. I even became almost paranoid . I have taken it for years in the spring and my life always falls apart...and finally i put it together...2 days off and I am back to my old self. I have a runny nose and terrible allergies...much better than the extreme depression and weirdness that this med causes!!!! OMG! F 45 4 months
10 1X day
5/4/2015
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 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
 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 day
3/29/2010
Email
 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 day
5/6/2010
 1  Seasonal Allergies My hair is falling out with chronic use of Claritin! I am going to stop taking it as of today. F 34 4 months
1X day
8/15/2010
 4  Allergies No side effects at this point from Claritin. It would be helpful to know whether all these comments are about Claritin or Claritin D. Something tells me they are about Claritin D. I took that once and was so drowsy that I never took it again. F 48 5 months
10mg 1X day
8/20/2011
 3  Allergies After 5 months I started to notice continuous dizziness, sleepy mode all the time during the day, some unexplained feelings of anger, restless body with somehow stupid feelings, nightmares at night, my blood pressure got higher than normal, fast heart beats with short breaths, confusion and short memory, I think I'm going to quit this medicine eventhough it worked up to my satisfaction in the first 4.5 months. I think this medicine is good for some time but becareful because you may lose the ability of taking a rational decision of when to stop the medicine before you get over the edge. M 28 5 months
2/15/2008
Email
 3  Allergic sinus congestion Dizziness and vertigo, constant irregular heartbeats, anxiety, fatigue, and irritability. I began taking Claritin in the A.M. until dizziness became a problem, then I took at bedtime. The symptoms slowly increased since I started taking the medicine on a daily basis about 5 months ago. Since then, my heartbeats have become increasingly irregular to the point that it is frightening. The anxiety and irritability may be from fatigue and concern over the heart issues. I am stopping the medicine today and will post another message in a few days if the symptoms clear up. F 47 5 months
4/21/2008
 1  seasonal allergies, rhinitis anxiety, depression, suicidal thoughts, paranoia, muscle aches, joint pain, backache, neck and shoulder aches, fatigue, listlessnes, disorientation, aggression, thirst, bloating, weight gain, acid reflux, abdominal cramping/pain, gas I didn't make the connection that this medicine was causing all of these problems until I came across this site. There was no mention of all the side effects on the packaging. I thought I had some other health problem causing all of this. I ended up at the doctor's frequently and eventually I was hospitalized. I thought I was becoming mentally ill. I realized that all this started happening after I started taking this medicine on a daily basis. It took me this long to figure out that I was poisoning myself taking this medicine. I would rather suffer with allergies than go through this hell. F 31 5 months
10/16/2008

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