ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)

Average Rating: 2.0 (1816 Ratings)

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 ANTIHISTAMINES

 Type: Over-the-counter Drug

  

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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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RATING  REASONSIDE EFFECTS FOR ZYRTECCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 1  Seasonal allergies Depression, moody, extreme anger over small problems, feeling of being overwhelmed and out-of-control Took this for three days - noticed the extreme anger and depression on day two - I'll go back to Claritin F 57 3 days
12/11/2008
 5  allergies If you're like me, you will itch all over for a few days after you stop taking it (such as, during your "off season"). My sister reported the same thing. It's a minor side effect in the greater scheme of things. I've actually got enough allergies that I should take this year round. Zyrtec is the best pill-form allergy medicine out there right now. F 46 3 years
12/9/2008
 5  CLARIFICATION This post is to correct the post dated 12/4 that starts "EVERYONE PLEASE READ!!!" and goes on to say that there is a difference between the prescription and OTC brands, and further states that Pfizer makes the Prescription brand Zyrtec and the OTC brand is made by "a company contracted to make a cheap OFFBRAND of the real product." This is categorically false. The prescription Zyrtec and the OTC Zyrtec are the exact same thing. McNeil has not been contracted to produce a "cheap offbrand" by any means. McNeil, a Johnson & Johnson Company, purchased Pfizer's OTC division, and thus purchased the Zyrtec brand when the FDA cleared it for non-prescription use. M 41
12/9/2008
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 3  Allergies: Seasonal/pet/ medicine Weird dreams, Irrational thoughts, heart racing, weight gain, hair loss/thinning, mood swings, sinus trouble, lack of focus and memory loss. This medication was excellent in helping me sleep through the night. Without meds I suffer from clogged sinuses, and headaches with itching daily. It allows me to be able to get through the day okay, but the side effects are not worth it. I am very suspect that this drug is behind my hair loss, and will discontinue the usage and try another medication to control my allergies that will not have so many side effects. This is an excellent site, I got to compare my side effects with others and learned new things about the medication. F 8 years
12/8/2008
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 5  Hives None EVERYONE PLEASE READ!!! I tried every medication for my hives and nothing worked. whole body would break out in hives every day. lips and eyes will swell and could also start to have breathing problems. i started to feel like i'd rather be dead til i tried zyrtec. zyrtec kept me free of hives for 24 hours and this is a very serious allergy that i have because my doctors still cant figure out whats causing it. you can put me in a allergy free bubble in outter space and i'll still break out. now the reason im writing this is to clarify something, prescription zyrtec is not the same product as the over the counter. prescriptioned zyrtec is made by a company named pfeizer and the over the counter is made by mcneil PPC, INC. which is a company contracted to make a cheap OFFBRAND of the real product, which is also why it has the name ZYRTEC. The real zyrtec cost $90 - $100 without insurance for 30 tablets as the over the counter is around $20 for 30 tablets. so i want everybody to know that M 23 8 years
12/4/2008
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 2  seasonal allergies the main side effects that were a problem were a major change in emotional outlook and irritability. After just a couple of days on Zyrtec my patience grows very thin and I am frustrated and angry with everything. This time, after several days, I also started having pretty dark thoughts, almost suicidal, which is not like me at all. The worst may be that I am unaware of what is causing it and unable to really see the changes in myself accurately until after I stop taking it. The rest of the family sure notices immediately. When I stop after it leaves my system it is like a massive cloud just dissipates. I only use occasionally to manage bad allergies, but I have now decided I cannot take it again. It works well for my allergies but I cannot handle the side effects. I usually only take a few times a year and for a week at a time at most, but it is causing big issues in the family and this last time I seriously was in a very depressive state, it was scary. M 43 5 days
12/2/2008
 1  Allergies My 4 year old daughter took Zyrtec for itching from allergies. It didn't take care of the itch, but worked to remove the red under her eyes. Her behavior changed drastically. She became defiant and rude (talking back). She also became overly emotional, crying and becoming angered easily. She really became another person while on the medication. This is the second time I took her off -- the first time it was because I suspected it affected her behavior, but then her red circles came back so I tried it again. I just took her off last night and plan to call her allergist. She's just not her normal (sweet, confident, respectful) self when she's on the medication. We will NOT try this again. F 43 2 months
11/28/2008
 2  food and environmental allergies Screaming fits similar to night terrors that lasted an hour at night, wouldn't look anyone in the eye, defiant(would constantly run into the street,screaming if you changed his diaper), hyperactive, lost speech ability, a nurse said he might have autism, fell down constantly, seemed in a fog. Worked great at first- he slept better for a few weeks. Then after a few months the side effects set in. I don't want to put my kids on any drugs again. I'm looking into holistic and homepathetic cures now. M 1 6 months
11/21/2008
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 1  daughters allergy this drug is stupid and doesnt work does not help allergies, and it full of crap, i dont like it, my daughter is still getting horrible allergies. F 10 1 years
11/21/2008
 1  Itchiness from allerg reaction Weight gain, anxiety, nervousness, jittery, unable to think, forgetful, sad/depressed, weakness in my legs, increased migraines. I was on Zyrtec under a doctor's advice following an allergic reaction to an antibiotic (itchiness/hives). I was on the medication for a total of 5 months. For the entire time, I was not myself. I was anxious and nervous constantly. I was very jittery and had a persistent weakness in my legs/thighs. I was very emotional and fragile with frequent mood swings. I was having migraines weekly. I honestly thought that I could be having a nervous breakdown. Then I stopped taking Zyrtec. My leg weakness disappeared and I was not anxious/jittery. Things went back to normal. I recently had another allergic reaction to antibiotics and was itching again and so I took it for three days. The leg weakness returned. So did the jitteriness and I had a migraine for the first time in almost three months. I consider this a harmful drug and will never take it again. F 41 5 months
11/20/2008
 1  Allergies, Asthma Severe depression, weight gain, anxiety, trouble concentrating, paranoia I am a 27 year old female, I go to school full-time and my asthma and allergies have been particularly bad lately. I do not take drugs other than my asthma medication and have been taking Zyrtec for almost a month, but I am stopping today after reading others who have talked about depression as a side effect. Already I have struggled with mild-depression, but as I have gotten older I have learned to deal with this problem. For the last month I have been a complete emotional wreck, with anxiety, paranoia, problems with concentration and mood-swings. Although this drug is very affective with my allergies, I have also gained weight with no change in diet (vegan, very healthy) and the depression is simply unbearable. Please do not take this drug if you have previously struggled with depression!!! F 27 1 months
11/17/2008
 1  Seasonal Allergies Excessive Weight gain, lethargy, depression, sadness, mood swings It only occured to me this morning that my allergy medicine migh be the cause of my 10-15 lb. inexplicable weight gain over the last 6 months. It was a stretch, in my mind, but worth a google search, nevertheless. I was amazed that so many others had the same symptoms. I have had multiple blood tests for anything that can explain my ballooning weight and sudden onset of depression, fatigue and uncurable bad mood. One dr thought it was a thyroid problem. Another thought it was my birth control pill. Maybe I am just crazy and fat and looking for something to blame it on, but I can't wait to see if going off zyrtec will help. I mean, I run marathons for Christ's sake. I don't eat junk as a rule. I have never gained more than a few lbs since I was 15. God, I hope it's the zyrtec. F 33 6 months
11/17/2008
 1  Allergies Weight gain, constipation, bloating, swelling in hands and wrists, headaches, depressed mood, irritability, fatigue, difficulting concentrating I am so relieved to have found this website. I thought I was going crazy. Since starting Zyrtec four months ago I have gained ten pounds despite a healthy diet and fanatically regular exercise including running and weight training. Many of my side effects mimic my premenstrual symptoms but I stopped making excuses when my wrists were swelling so much during the day my watch would get tighter and tighter. I am dumbfounded that a drug now available over the counter could have such significant side effects. I switched back to Loratidine three days ago and I already feel the "cloud" lifting over my head. F 38 120 days
11/17/2008
 1  Seasonal allergies malaise, lack of focus and motivation, overly sensitive Sneaky side effects that creep up. I was shocked at how much better I felt when I quit taking--I had no suspicion and never felt the normal antihistamine drowsiness. I thought I was becoming depressed. F 43 90 days
11/17/2008
 3  Indoor and outdoor allergies Weight gain is probably the worst side effect of this drug. I balloon 10-15 pounds when on it for extended time. Other side effect is loss of sexual interest. Once I go off of it, within 24 hours I'm fine again. This is the only drug that works for me. I take it at night and it does cause a deep sleep like a sleeping pill. But takes a while to get going in the morning. I"m back on it now for about 6 weeks because of the Fall allergies. I plan to get off today and take a break. I'm tired of the weight issue and will seek someting to try at night and get by. Also I noticed if you use it regularly it does lose some of its working strength. M 56 12 years
11/15/2008
 4  cat allergies I experienced weight gain after only a week on zyrtec. I noticed that my clothes kept getting tighter, but I was running consistently. I also was very tired on zyrtec. Zrytec helped my allergies, but I just can't deal with the weight gain. F 35 21 days
11/13/2008
 3  environmental allergies My daughter has been taking zyrtec for over 3 years. I never put many thing together because when she started taking the medicine was the same time children at the age of 3 start acting out - crying about nothing - temper tantrums - etc. Her doctor recommended that she take the 10 mg 2 times a day due to her itchy reaction to her allergies. Unfortunately, I never questioned the behavior side effects of this medicine. My daughters 1st grade teacher asked me to look into the effects of zyrtec and how effects children. I am shocked at what I have read! As of today she is no longer taking the medicine! We are looking for a natural alternative! However, she does get monthly shots to help build her immune system and we are as of now going to continue with the shots, BUT no more zyrtec! We are hoping that her emotional outburst will get better ... who would have thought ???? I'm so disappointed in the reality of the medical world! If you have a child don't let them take this drug!!!! It might help their symptoms, BUT who knows what it is doing to their BRAINS! F 6 3 years
11/13/2008
 3  plant and pet allergies itchiness, dry mouth, sore throat I LOVE this drug because I can breathe and be around my dog or in my garden. I DISLIKE this drug because I get so dried out it's painful, and the rebound effect if I miss a dose is twice as bad as my allergies were before I started taking it. After my dog is no longer with us I will discontinue and not get a new dog. Until then I will take this every single day, it is worth it. F 46 6 years
11/11/2008
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 1  Allergies While taking Zyrtec, I noticed an inability to focus and organize my thoughts as well as a substantial decrease in attention span. My memory was not as sharp, almost porous, as though I was physically present but without awareness. I became forgetful. I started to procrastinate and found it quite difficult,not to start, but to complete projects, either work or personal. I was quite irritable and easily frustrated - not a fun person to be around. I only took Zyrtec for 2 month. When my seasonal allergy symptoms began to subside, I stopped taking Zyrtec and within a few days, I noticed all of the above symptoms begin to subside. Although Zyrtec did work in relieving my allergy symptoms, I would never take it again due to the life altering side effects. There are other medications and ways to relieve my allergies than to take this medication. The risk is simply not worth the reward. M 44 60 days
11/11/2008
 1  seasonal allergies fatigue, anxiety, mood changes I bought Zyrtec because I've been having a hard time finding 12-hour Claritin-D. I felt tired and anxious the whole time I was on it. The week before had been unusually stressful, so I assumed I was still getting over it. I saw a commercial that said that Zyrtec might make you tired, so I went out and found some more Claritin. Not only did the tiredness go away immediately, but the bad thoughts I'd been having all week immediately disappeared. F 30 7 days
11/9/2008

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