ZYRTEC Reviews

Average Rating: 2.0 (1790 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  Hives severe sleepiness, akin to narcolepsy, lethargy,increased appetite with gross weight gain, mild depression, dermatitis, Dermatographia, mild forgetfulness of common terms and names. I gained 75 lbs while taking Zyrtec, fifty of them in the last 6 months. I suffered from severe intermittent urticaria (hives) for thirty years, until my doctor put me on Zyrtec 10mg. every night before bedtime. When prescription runs out and it takes a couple of days to renew it, hives return and are very severe. I suffer tingling in the hands and fingers, and sometimes the wrists, and dizziness, with a buzzing sound I seem to hear in my head, rather than as an outside auditory sound. It's like a bee buzzing quickly through my head. My feet swell without clinical rationale. I became mildly depressed, believing I was suffering some serious disease, and perhaps actually at risk of dying. I asked my doctor if there were any side effects, and he didn't suggest any. I didn't question the Zyrtec until I finally saw a commercial on television which listed drowsiness as a side effect. Bam! That was it. I hadn't realized it, but the lethargy, sleepiness, drowsiness almost to the point of narcolepsy started about four months after beginning the regimen of Zyrtec. I was a nurse for thirty-seven years, and didn't have the sense to even consider that Zyrtec might be the culprit, since it worked so well against the Hives. When I began reading the comments of others here, I began to cry uncontrollably. I may have found relief from Hives, but Zyrtec has made my living Hell. I'm going off Zyrtec at once, and will advise other users who have presented with similar possible side effects to stop taking Zyrtec, and see their doctor at once. M 61 1.5 years
2/14/2006
 1  Alergies Our 7 year old son was having violent temper tantrums, throwing things, punching and hitting other family members. These tantrums would last up to an hour or more. He was unable to handle anything that didn't go his way. He was like a monster and we did not know what to do. I thought he was ADHD or ODD and we began threapy for him. THANK GOD I FOUND THIS WEBSITE! It never dawned us us it could be the Zyrtec. Neither his doctor or his therapist knew anything about the pschological side effects that Zyrtec can cause. After further research I found that the following pschological side effects were listed in Zyrtec's own studies *** ABNORMAL THINKING, AGITATION, AMNESIA, ANXIETY, LOWERED LIBITO, DEPERSONALIZATION, DEPRESSION, EMOTIONAL LABILITY, EUPHORIA, IMPAIRED CONCENTRATION, INSOMNIA, NERVOUSNESS, PARANOIA, SLEEP DISORDERS *** Amazingly, the doctor perscribed the medication and never warned us of this! Everyone should be aware of this and I can attest that children should not be taking Needless to say we took our son off the Zyrtec as soon as I read the information on this website. It has been about three weeks and we have seen much improvement. I pray that there are no long term effects on our son. Any other parents' comments are welcome. Feel free to e-mail me. I would love to hear from you. M 7 1 years
2/13/2006
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 1  
2/9/2006
 3  Hayfever Extreme tiredness. I take it in the morning and by 7pm i can't keep my eyes open. Great for allergies but the tiredness is unbearable. I try to restrict taking it to when i visit my sister, who has five cats. Makes it hard to drive home though. F 40 3 years
2/6/2006
 1  Allergies Upset Stomach all the time. Tremendous appetite Very Sleepy all day even when taking it at nite. Slept great but could have slept all day. M 34 10 days
2/2/2006
 2  hives irritability, making poor choices, mood swings, crying, not at all acting himself. My now 6 year old son has been taking zyrtec for two years - off and on. This past fall we had to increase his dose due to increase hives, and have been giving it nightly. He also began kindergarten this fall and it has been a nightmare! My always sweet, polite child was hitting, not paying attention, the teacher was calling me daily about his poor choices. We never put two and two toghther with the zyrtec!! I took him off it last weekend, as it's always bothered me pouring this med in him every night, he has been a totally different boy. He's back to being well behavied, much more impulse control - I could go on and on. On a hunch I looked this up and found this site - I am floored that that I was not warned of this and how awful my son's first year of kindergarten has been! I will not put him back on this! I am now concerned on what we will treat him with when the body covering hives do come back - the zyrtec did take care of them. M 6 2 days
2/1/2006
 3  Dermatographism/hives/allergies Me: sleeplessness, maybe weight gain, memory loss, concentration problems. Maybe hives worsened by stopping meds Daughter: sleepy I have taken this for about 10 years to treat hives/dermatographism (I can not go un-treated or I do nothing but scratch continuously) and mild allergies. Zyrtec is the only thing that has worked for this long, other meds have stopped working after a year or so. Daughter (5) has taken it for 2 weeks for post-nasal drip/snorring/ causing sleep disturbances. My daughter finally has an easier time falling to sleep and will now sleep through the night. It controls my dermatographism/hives as long as I take the next dose within 28 hours of the previous dose. I tried switching from taking in AM to PM, but couldn't sleep even after taking a sleeping pill. Wonder, after reading the comments on this site, whether this med has caused or worsened my weight gain, concentration/short term memmory problems, depression/anxiety. I never made the conection. Also wonder whether I can ever get off of it since it may actually be causing worsening hives/itching symptoms when I miss a dose. I am also F 45 10 years
1/23/2006
 3  Dermatographism/hives/allergies Me: sleeplessness, maybe weight gain, memory loss, concentration problems. Maybe hives worsened by stopping meds Daughter: sleepy I have taken this for about 10 years to treat hives/dermatographism (I can not go un-treated or I do nothing but scratch continuously) and mild allergies. Zyrtec is the only thing that has worked for this long, other meds have stopped working after a year or so. Daughter (5) has taken it for 2 weeks for post-nasal drip/snorring/ causing sleep disturbances. My daughter finally has an easier time falling to sleep and will now sleep through the night. It controls my dermatographism/hives as long as I take the next dose within 28 hours of the previous dose. I tried switching from taking in AM to PM, but couldn't sleep even after taking a sleeping pill. Wonder, after reading the comments on this site, whether this med has caused or worsened my weight gain, concentration/short term memmory problems, depression/anxiety. I never made the conection. Also wonder whether I can ever get off of it since it may actually be causing worsening hives/itching symptoms when I miss a dose. I am also F 45 10 years
1/23/2006
 1  allergies high blood pressure, sleepy, depression, weight gain, water retention. Docs were yelling at me for high blood pressure but I had to find out on my own that Zytec isn't suppose to be taken by people with high BP. I'm suffering from edema in my right leg. The sleepiness and depression weren't bad but am living better off the drug, I will not take this drug again. M 45 4.5 years
1/21/2006
 2  dander and seasonal allergies It makes me lethargic and VERY moody/stressed. It also increases my appetite. When i take Zyrtec, I feel very disconnected and impatient. Very unlike my usual self! My daughter (age 5) takes it for cats, too, and is like a zombie all day. I don't like giving it to her unless absolutely necessary. I will not take it anymore unless I am going to visit a house with cats. It works great for reducing my (very severe) asthma symptoms when exposed to animal dander (no other med. works for that at all). I keep it just for emergencies. F 34 2 weeks
1/18/2006
 4  HIVES/DERMAGRAPHISM WEIGHT GAIN!! I WAS IN CHICAGO JULY 2005 WHEN I FIRST HAD MY HIVE OUTBREAK. IT WAS 100 DEGREES OUTSIDE AND I CAN FEEL MY BACK ITCHING. BY THE TIME I CAME BACK TO CALIFORNIA THAT NIGHT I CAN SEE WHAT SEEMED TO BE WELT MARKS. IT WAS ALL OVER MY BODY (MAINLY BACK, ARMS, LEGS AND OCCASIONALLY FACE). IT WAS BURNING, ITCHING AND MY FEET AND HANDS WERE SWELLED UP. I WAS PRESCRIBED CLARITIN AND THE DR GAVE ME A SAMPLE OF ZYRTEC. THE OVER-THE-COUNTER ALLERGY MEDS DID NOTHING FOR MY HIVES. ZYRTEC WAS THE ONLY MEDS THAT SUPRESSED THE ITCH, BUT THE WELT MARKS WOULD STILL SHOW. I'VE BEEN ON ZYRTEC FOR 6 MONTHS NOW. I HAVE TO TAKE IT DAILY AND WHEN I MISS A DOSE MY HIVES WOULD FLARE UP. SINCE THEN I'VE GAINED WEIGHT. I AM AT THE HEAVIEST I'VE EVER BEEN. I DON'T KNOW IF IT'S BECAUSE I TURNED 30(AUGUST) AND MY METABOLISM HAVE SLOWED DOWN OR IF IT'S ZYRTEC. BUT I RATHER FACE THIS WEIGHT GAIN THAN THE UNCONTROLLABLE ITCH OF THE HIVES. I DIDN'T HAVE A NAME FOR THIS BUT AFTER READING THIS SITE, I KNOW NOW I F 30 6 months
1/3/2006
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 1  seasonal allergies My 4 yr old was taking it up until a few days ago. It worked great on his symptons, but caused him to have episodes of anger! I didn't realize what was causing my child to act so horrible until I read the comments on this Web site. I took my child off Zyrtec and now I have my old sweet child back. I was in tears when reading the comments of the other parents who had gone through the same thing with their child. I just wish I had known about it sooner. There should be a warning with this medicine! F 40 1 years
1/3/2006
 1  Allergy to most foods & environment I have been on Zyrtec for about 8 months steady - 10 mgs -I take it at night. Initially it made me angry and hyper. Now it makes me sleepy. I can't stop it because I get nausea, itchy, and I feel really sick. I feel addicted to it and it hasn't helped at all with food allergies, but it has helped with environmental allergies. I don't have much of a choice as I need to be on a 24hour anti-histamine according to my doctor. However, I really think that Zyrtec has made me become more allergic to food in the long run. F 43 10 months
12/28/2005
 1  Allergy Our daughter started taking Zyrtec at 2.5 years of age. We thought her terrible two's had kicked in, and so we waited and waited as our little girl went from sweetness to an utter nightmare. She would fly into violent rages at the slightest disappointment, most disturbingly, slamming her head into the floor/wall/anything as part of her tantrum. She is severely speach delayed, her speech was normal until about two then she stopped developing. She rarely to never slept through the night, we even resorted to putting her on Trazadone because we couldn't handle her staying up forever and then waking all night long. It worked for a bit, then she was back to her old pattern. We got her into a therapist who said she had never seen anything so violent or strange. She also would wake in the night and have tantrums and act as though she didn't know where she was. She would go from normal to pyschotic in an instant and back again. Reading the comments on this website about the pediatric effects of this drug and the apparent lack of information given to parents makes me want to vomit. If this drug is responsible for the 2.5 years of hell we've had to go through as parents I am interested in bringing a lawsuit against the manufacturers. Anyone else? I don't even know how that is done, but something has to happen. We stopped almost by mistake (we ran out and I noticed a change in my daughters behavior and on a hunch, just let the meds go for a bit). A week and a half later she is now beginning to do imaginary play....something she never ever does. I WILL NEVER GIVE HER ZYRTEC AGAIN. I AM FURIOUS THAT I HAD TO GOOGLE THIS MEDICINE IN ORDER TO GET THIS INFORMATION. The bottle should have a skull and cross bones on it as far as I am concerned. I am looking forward to finally meeting the wonderful child I always suppected was inside my miserable child. I feel like a horrible person because it was me giving F 4.5 2.5 years
12/27/2005
 5  Allergies and skin rash None The first day I started taking this once a day (10mg) I felt like a million bucks and had tried Claritin and other pills/liquids. Now I can be around fur for up to 10 hours where as before with the other drugs I would break out within 2 hours. M 29 6 months
12/22/2005
 4  Migraines ENT Sx from Mold Exposure AWFUL WITHDRAWAL SYMPTOMS!!! I have had good E.N.T. symptom relief from 10mg zyrtec. Started taking it when I worked in a VERY moldy building in Florida. I've taken it continually for 2-1/2 years; and, luckily, I have not experienced any depressed mood or low energy, etc. ...But whenever I miss a dose for 36+ hours, I get an awful migraine and terrible nausea. I've run this "experiment" -- intentionally and unintentionally -- about 6 times; and EVERY TIME I have the same withdrawal symptoms. When I take a Zyrtec, I feel better about 3-4 hours later. The withdrawal symptoms are so awful that I have not been able to endure the intense headache and nausea long enough to get through the tunnel. I'm going to ask my Dr. what to do about weaning off of it. I'm not on any other meds, so the withdrawal symptoms are NOT some kind of drug interaction -- it's DEFINITELY ZYRTEC WITHDRAWAL SYNDROME. I've heard of others having the same experience, but it seems to BAD WITHDRAWAL SYMPTOMS: whenever I miss a dose for 36+ hours, I get an awful migraine and terrible nausea. It's so bad that I have just stayed on Zyrtec because I cannot endure the headache and nausea. Awful!!! M 37 2.5 years
12/15/2005
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 3  Allergies Dry Mouth Very Random Dry Skin I had pretty bad Allergies back in late High School and Zyrtec was the only thing that cleared it up, but you have a constant dry feeling for some reason. Not even drinking large amounts of water fixes it either. M 20 2 years
12/13/2005
 2  hives drowsiness, dizziness, headaches, moodiness/depression, increased appetite. the first two days on this was fine, but lately have been noticing that i can't seem to get out of bed in the mornings. i feel drugged all the time. can't concentrate on anything and i found myself constantly snacking. i was just rolling around on the floor crying (because for some reason i couldn't understand anything in my fed courts book--now i know that reason is zyrtec), when i decided to google the side effects. glad i found this page and that i haven't lost my mind. will definitely stop taking it. hopefully, i won't itch because the itching does sound scary and i started on this drug to stop itching. F 26 4 days
12/11/2005
 1  allergies drowsiness, fatigue, numbness, and now intense itchiness and rashes in trying to get off of it. I moved into an old moldy house surrounded by trees and developed allergies for the first time in my life. I took zyrtec daily for 2 years. Now I live away from what I was supposedly allergic to, so I wanted to stop taking zyrtec. Plus, the other day I noticed I had lots of energy and was unusually happy and optimistic. Then I realized that I'd forgotten to take zyrtec that day. So I haven't taken it since (about 3 days) and I have lots of energy, which is good because I have to itch myself everywhere constantly. But I am determined to get myself off of this drug and appreciated everyone else's comments. Any ideas for non-phamaceutical remedies to ease the withdrawal? F 31 2 years
12/9/2005
 2  Itchy Skin Rash Very sore throat, lethargy especially in the mornings, mild depression, that I didn't realise was depression...a very strange feeling of dissatisfaction with everything and everyone around me. M 33 21 days
12/6/2005
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