ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)Average Rating: 2.0 (1816 Ratings)Filter ResultsCompare ZYRTEC with similar:
Type: Over-the-counter Drug
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Results are sorted by Age from youngest to oldest (reviews with no age reported listed first). Key to Ratings: 1=LOW (I would not recommend taking this medicine.) Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 |
More on ZYRTEC: Reviews Summary | Drug Safety Information
| RATING | REASON | SIDE EFFECTS FOR ZYRTEC | COMMENTS | SEX | AGE | DURATION/ DOSAGE | DATE ADDED |
| 1 | Severe allergies: pets & seasonal | Shortness of breath. Irregular heartbeat. Anxiety. Depression. Insomnia. Lack of focus. Drowsy. This helped with my allergy symptoms, but the side effects are not worth it. I felt like I was having a heart attack or asthm attack at times. Very scary. Beware of Zyrtec! | F | 23 | 7 months 10 | 9/23/2014 | 1 | seasonal allergies | Pimples on chest, shoulders, and upper back. Periods of constipation followed by painful, large, and loose BMs. Decrease in energy and water retention/minor weight gain. | I have taken Zyrtec off and on over the last few years for my season hay fever, and when I noticed the strange changes happening to my body, I wondered what it could be from. I stopped taking it 3 days ago and my acne and BMs are back to normal and I have lost 3 pounds in what I assume was water weight. Needless to say, I will not be taking Zyrtec again. | F | 23 | | 5/3/2009 | 1 | Alergies | Severe back and tummy ackes thought it was apendix | This drug should not be out on the shelves I am 23 yes old and never felt such pain in all my life .it made me feel week nautous I actialy through up many times I had severe stomach pain in my lower intestines and severe pain in my kidneys it felt like someone was sucker punching me a/ knifes | F | 23 | 5 days | 5/5/2009 | 1 | allergies | took zyrtec at about 10:30 in the morning..was at work and started feeling really tired and dizzy. At about 2pm I felt like I had the flu, my throat hurt so bad i couldn't swallow and it was swollen. My fever spiked up to 100.5 (i usually run about 97.9) and it was horrible. I barely slept all night, woke up about every 20 minutes with a jolt. still feeling flu-like the next day. I really hope it gets out of my system soon. | I really don't recommend this drug to anyone. I took it once and will never ever take it again. | F | 23 | 1 days 10mg 1X day | 5/24/2010 | 1 | allergies | numbness, drowsiness, anger and irritability, itchiness | Sometimes zyrtec would relieve my allergy symptoms, other times it would not. I do not know if some of my side effects symptoms are due to my being miserable because of allergies, from not sleeping well, or the drug, but I DEFINITELY DO NOT want to take this drug ever again. My hands and lips feel numb and my face is itchy. I cannot concentrate or function normally because I am so drowsy and out of it. I have definite mood swings which is not like me, and I often feel angry for no apparent reason. This drug is shit. | F | 23 | 3 weeks | 9/7/2005 | 1 | allergies | Took Zyrtec one time and it made me psychotic. I became very suspicious, paranoid and angry. I basically went crazy and ended up punching a friend in the stomach. I later found out that my nephew had taken it once and it made him evil. | F | 23 | 1 days | 9/12/2005 | 1 | hives | weight gain, increased appetite | about 3 months after i started taking zyrtec i noticed that i was feeling heavier than usual. my breasts hurt (as if they were growing) constantly. i also thought about food all the time. i could eat a satisfying meal and 15 minutes later i'd be thinking about what i want to eat next. i'll take scratching pestering hives over weight gain ANY DAY! | M | 23 | 5 months | 2/7/2008 | 1 | Zirtec | Mood Swings, Violent Behaviour, Vomiting, Abdominal Pain, Off Food Completley, Excessive Thirst | Took my 2 year old son to the chemist for skin allergies and was highly recommended Zyrtec Oral Liquid. Developed vomiting, behaviour issues, bad cramps, not eating, etc. Went to the doctor because I thought he was sick and was told it was a virus but with no ear infection, no throat infection and a clear chest. Only change in his diet was the Zyrtec. Took him off yesterday and almost instantly a different child. DO NOT give this to your child. Not worth the risk. | F | 23 | 7 days | 11/7/2007 | 1 | ALLERGIES | reduced inching yes. Instigated ASTHMA attacks. did not help cat allergy! i am allergic to dust mites, oak, pine, ragweed, and cats. but ESPECIALLY CATS!! (that is really the entire reason i need an antihistamine) | I had been taking Allegra (and the generic) for about 9 years prior (claratin gave me dry mouth, drowsiness, and headaches). Allegra is GREAT!!! Zyrtec gave me no relief from my cat allergies, and actually induced an asthma attack. (I do not get asthma attacks often, maybe once every year or two) And after taking this I noticed it but thought that it was silly to think a pill could give me one. SO I took it two more times (in the presence of allergens of course) and sure enough both times I got an asthma attack that rapidly worsened - which is bad for someone with such rare asthma cause they don't carry an inhaler with them. | F | 23 | 3 days | 2/23/2007 | 5 | Hives | None that I noticed! | A magic pill! I have been suffering from chronic hives for the past 2 and half years now.Its not a fun experience at all,a very frustrating allergy. Zyrtec helped me a whole lot. All it takes is half a pill (5mg) every other day and im fine..but if i miss one dose hives will either flare up or eye or lip will swell up. I am sure I have other seasonal allergies too, but zyrtec takes care of all of them...thank you zyrtec :)!!! | F | 24 | 3 years | 4/27/2006 | 5 | Hives | No side effects as of yet (1 week) except possibly a little insomnia. The insomnia might be due to having just come off another antihistamine I was on previously, though. It put me to sleep, and now, without it, I find it hard to resume normal sleeping patterns. | I have quite a lot of food allergies which caused hives to break out all over my face. I know quite a few of my triggers, but avoiding that many foods often proves impossible. Zyrtec has taken care of the issue 100%, even when I'm badly abusing my privileges. I am taking only 10 mg per day, but I will double-up sometimes when it has been more than 8 hours and l know I will be heavily indulging in "bad" foods. It is a miracle worker. | F | 24 | 1 weeks | 12/16/2008 | 5 | I have suffered from seasonal allergies my entire life. I felt like I finally found a cure when I started taking Zytrec D. It was wonderful! HOWEVER, when I stopped taking the drug after allergy season, I had mind-numbing headaches, couldn't concentrate, severe panic attacks, beyond tired (and then, as if it was torture, insomnia at night), vivid dreams, no appetite, numbness, shallow breathing -- I am 24 years old and I feel like I have no energy!!!! This withdrawal is killing me! | I have stopped taking Zytrec D for over two weeks and I am still experiencing these symptoms. Please --- how much longer will this last??? I have been taking vitamin and herb supplements to help heal, but nothing is working! HELP! | F | 24 | 1 months | 9/2/2009 | 4 | Seasonal allergies | Weight gain! | I started taking Zyrtec in April 2008 and it is now July 2008. I have gained 20lbs! I know it is not due to poor diet. I eat lots of fresh fruits and veggies and exercise regularly. Zyrtec is the only new thing in my diet. I am going to the dr to rule out anything else. After reading the side effects on here I think my constant 'pms' may be part of this. I am extremely angry and I don't remember being like that. I am still angry about someone who cut me off driving 5 days ago. | F | 24 | 4 months | 7/23/2008 | 4 | seasonal, envt., & indoor allergies | Never thought I had any until now; all of these horrible reviews are crazy to read. I wonder how many of you were/are suspect of medication to begin with, as many of these symptoms sound psychosomatic. And kids? Kids are, by virtue of being learning machines, always changing, and are thus frequently unruly, unpredictable, or difficult. That said, they are also extra-sensitive to the mental (side-) effects of any drug (or food, for that matter. Hippocrates himself said, "Let your medicine be your food, and your food your medicine.") for related reasons - developing brains, fast metabolisms, and little organs. So... think hard before feeding your kids pills, and don't expect a magically perfect cure devoid of any side-effects; modern Western medicine is still all about treating symptoms, be they proximal or fundamental. (Until there are several more generations of advances in genetics, treating causes is nigh impossible.) Like everything else in life, it's a careful cost/benefi | My father's a well-respected M.D. who has always relied on Zyrtec when the traditionally weaker antihistamines (Benadryl, Claritin, Allegra) aren't strong enough but courses of antihistemic shots are too difficult or involved. And his endorsement is NOT motivated by arrangements with any HMO or drug company, as he continued to proscribe/recommend it to me and other family and close friends, at full out-of-pocket cost, after it was dropped by my health insurer (yet months before it was available OTC). | M | 24 | 7 years | 4/1/2008 | 4 | Rash/ Allergies | Tired, emotional withdrawal. I have also experienced diarrhoea, IBS and alot of stomach problems. | I have been taking Zyrtec since I was 12. Without it I can not function as I suffer from rashes and itchiness, so I thank it for that. But I've been noticing the side-effects for the past 4 years now and it is getting worst. | F | 24 | 12 years | 5/24/2007 | 3 | seasonal and cat allergies | none | I have never had any side effects whatsoever to Zyrtec (unlike everyone else posting here). It has worked somewhat for my allergies. I'm starting to think I've become immune to it though. | F | 24 | 6 years | 5/31/2007 | 3 | Hives - Severe | Hair loss/thinning, ANXIETY w/ panic attacks, joint pain, skin sensations- burning, tingling and pain, irrational thinking, unapproachable, irritable, explosive anger, unable to cope with stress, headaches, short term memory loss, disrupted sleep, tossing and turning, OCD and mood swings. | My hives are controlled! But I feel like crap. The worst part is the anxiety and my temper. My relationship of 5 years is now ending b/c of my inability to cope with stress and I'm explosive with anger. I find the need to control every second of everything going on around me- OCD. I do believe this medication is causing my mental illness. But how do you decide between severe hives and being crazy? | F | 24 | 10 months | 11/14/2007 | 3 | Tree Pollen Allergy | Severe mood swings, rage, thoughts of suicide, teeth chattering, shaking, cold sweats. | I took two pills. The first time I ended up in a massive fight with a bunch of my friends and threatened to quit my job for no reason before nearly attempting to commit suicide. The next day I was very depressed and slept for 19 hours. The symptoms went away after two days and I blew it off as just one of those things. I took a second dose later in the week and slept for 14 hours, had mild hallucinations, and was in a walking dream-like state all day. When I got home I got into another fight and threatened to knife someone I didn't agree with while making irrational arguments over absolutely nothing. I then became so depressed and suicidal that if I had had anything poisonous in the house I wouldn't be here right now - it was like it sucked all of the light and joy out of me and all that was left was emotional anguish. I had cold sweats, shaking, teeth chattering. It was like having withdrawal from a narcotic, and that's when I put two and two together. I'm normally laid back, outgoing, and friendly. This drug needs a warning label. | F | 24 | 2 days 10 mg 1X day | 4/26/2010 | 3 | Severe Allergies, Hayfever | Severe exhaustion, Dizziness, Depression, Vivid dreams/nightmares, gas, bowel issues, Anger/Irritability, Weight Gain | This medicine worked 100% great in controlling my allergies and hayfever sx's but the side effects are unbearable! I had been considering my allergy med, as I have been pretty stable before starting this med and now this side has confirmed the cause of my sx's! | F | 24 | 3 months 10 mg 1X day | 5/25/2010 | 3 | Hives/food allergies | Anger, mood swings, fatigue, irritability, depression. | I started taking Zyrtec about 6 months ago for chronic urticaria (hives). Prior to this medication, I was taking Claritan, which doesn't work at all, Zyrtec completely helped with hives...but I had other symptoms...extreme aggression, mood swings, headaches, panic attacks. I now am on anxiety medication because it affected me so bad. I stopped taking Zyrtex for about a month and I felt so great, but unfortunately, my hives came back so I started to take it again and I became so tired and angry again. This could just be how my body responded to it, I am not sure. | F | 24 | 6 months | 12/18/2008 |