Reviews for ZYRTEC

350 ratings: (age 12 or younger)

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 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
 
 5  Allergies and sinusitis My daughter is taking it since a month ago and we have not noticed any wrong side effects, we are giving her the mexican equivalent (called Virlix). I am assuming that the problem of the side effects others are expiriencing could be residing in the formula of Zyrtec. She has been previously on Clarytin, Benadryl, etc. and none has helped her as this one... Maybe if you could get the Mexican variation of the same drug you could give a try, there is no need a prescription to buy it there... best wishes to you all. F 3 1 months
5/16/2006
 1  Allergies Dear Families with children experiencing side effects from Zyrtec, I am seeking legal action. Please contact me if you are interested! CLASS ACTION POSSIBILITY!!!! F 5 2.5 years
5/1/2006
 4  seasonal allergies drowsiness, moodiness - child cries MUCH more easily than when not taking zyrtec. M 7 2 weeks
4/30/2006
 1  seasonal allergies Unusual irritability, sleeplessness, fatigue, moodiness, tantrums My 3 year old son started taking zyrtec liquid two weeks ago. After 1 week he became incredibly moody, was having trouble paying attention in school, would not nap despite being very fatigued. He also became so disruptive in class that his teachers called a parent-teacher conference with us because they were so concerned about him being "not himself." This is a child who is even-tempered and easygoing 99% of the time. In the span of a week he would dissolve in tears and tantrums throughout the day at the drop of a hat! We stopped zyrtec 36 hours ago. My sweet little boy is back. His teachers said he had a "great day today", took a long nap, paid attention in circle time, and fell asleep easily (while singing happily) for the first time in a week. Zyretc should include a strong warning regarding possible marked physical and psychological effects in children! If anyone knows how/where to report this, please contact me. I am calling my son's doctor in the m M 3 14 days
4/20/2006
 1  seasonal allergies wow...if ir were not for this website I would still be thinking that my son was just a very aggresive child he is 5 and been taking zrytec since he was 18 months..he has been in speech therapy for 2 yrs..he is very aggresive goers from 0-10 in 10 secs....been off of zrytec for 10 days wow what a difference...my husband and I have such an awesome child...this stuff robbed us of a child... M 5 3 years
4/16/2006
 1  allergies Nasty, nasty, nasty! Gave this to my 10 year-old son for allergies (chronic sinus infections). I just started Clarinex myself 2 weeks ago, but before that nobody in our family or extended families have ever been on allergy medicine, so it's very new to me. I don't like the idea of my child being on medication like this every day. Anyway, we started the Zyrtec and within a couple days, our son turned into a nasty, combative, argumentative child. My ordinarily calm husband and myself were at our wits' ends with him and were ready to consider therapy. My husband wondered if it was the Zyrtec. Then I remembered that when my son was little (and his older sister also), I could not give them cold medicine because it would turn them into little monsters. I figured it was because they were sick. Anyway, I stopped the Zyrtec several days ago and WHAT A DIFFERENCE! Overnight, he changed back into the son I know and love. The doctor called in a prescription for a nasal spray this afternoon I notice that a large percentage of children with this same reaction are male. I wonder what the correlation is, if there is one. M 10 1 weeks
4/15/2006
 1  allergies My son took this in past and then a few months ago restarted it for allergies-horrible side effects-headches, eye aches, belly pains, crying, rash nape of neck, sore throat, acting out, ect. I had him to the doctor 3 times, the ER 1 x and for a psych eval. I took him off it thanks to this site and there is a dramatic change-able to get him to school w/o crying, tantrums ect. Please how can we get a warning for this med- [email protected] Please consider this med a source of any problems you or your child is having. I wouldn't have believed it if i did not see it first hand. M 6 3 months
4/10/2006
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 1  allergies son becoming more anxious, seemed to get upset easily, c/o abd pains, headaches ect. M 6 30 days
4/4/2006
 1  seasonal allergies shakiness, anxiety, uneasy feeling my son has been taking the chewable form of this medicine on and off for about a year under his pediatrician's advise. I used to combine a pseudoephedrine syrup for him before sleeping because his problems with the stuffy nose would not go away with the zyrtec. zyrtec only seemed to help relieve the itchy nose, coughing and sneezing but not the sinus problems due to the allergies. As I started him on zyrtec for this spring season I suspended the use of pseudoephedrine because the pharmacist told me not no combine anything else with it, eventhough I never seemed to have problems of interactions between the two drugs. I continued giving my son the zyrtec pills at night before bedtime. however two days ago, he started feeling anxious and shaky in school with an overall feeling of being uneasy. the school nurse checked the side effects of the drug and told us this might be one of them. after checking this website I found important information on side effects for children and I am definitel M 8 1 years
3/28/2006
 1  seasonal allergies My son has been taking this medication for about three weeks. He has become irritable, angry,having temper tantrums which he never did! He has also complained of abdominal pain and itchy skin. I discussed this with his doctor and have stopped the zyrtec. I did not know about these side effects and thought he was getting sick for some other reason. If parents try this med they need to be aware of these awful side effects. My son is having outbursts, crying when the littlest issue aggravates him. It's now three days since my son stopped taking zyrtec. I feel I have my son back. An example of how this affected just the routine day to day stuff - when I asked him to brush his teeth he would scream and start crying, telling me no, this went on for every routine morning task from dressing to eating breakfast. This type of behavor went on all day. The behavior got progressively worse over a few days. Normally he needs just a little positive encouragement to do all these activities by himself and is a happy, well adjusted child. These last three weeks have been awful. This drug should come with a BLACK LABEL warning. My doctor said she thought it was possibly the medicine. When I came across this site, after stopping the medicine, I felt that I had been underinformed. The doctors really need to hear from parents observing these side effects. I believe that all parents should demand that their doctor officially report the side effects to the FDA. F 4 21 days
3/24/2006
 4  Hayfever type allergies My 7 yr. old daughter has been taking this regularly for about 5-6 months. Until this year we had never had any behavior problems at school - not paying attention and not minding teacher. This is the only thing I can think of that has changed. The medicine works very well at controlling her allergies but I am going to take her off of it and see if the behavior problems get better. CAN SOMEONE TELL ME IF IT IS SAFE FOR ME TO JUST STOP GIVING IT TO HER OR SHOULD I SLOWLY CUT THE DOSEAGE? F 7 5 months
3/23/2006
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 1  seasonal allergies My son has been taking this medication for about three weeks. He has become irritable, angry,having temper tantrums which he never did! He has also complained of abdominal pain and itchy skin. I discussed this with his doctor and have stopped the zyrtec. I did not know about these side effects and thought he was getting sick for some other reason. If parents try this med they need to be aware of these awful side effects. My son is having outbursts, crying when the littlest issue aggravates him. F 4 21 days
3/23/2006
 1  Allergies severe moodiness and tempers, lack of concentration, poor performance in school My son started taking this medicine after allergy testing showed he was allergic to 90% of the allergens in the test. The medicine did seem to help his allergy symptoms. Meanwhile, my son started having lots of problems in school concentrating eventually leading us to getting him tested for seizures (per his pediatrician) and weekly meetings with a therapist/counselor. I asked both his pediatrician and allergist if any of this allergy or asthma medicines could be causing these problems and was told no. Meanwhile, he was barely passing kindergarten, then first grade, then second grade even though testing showed he was above average intelligence. This spring, it seemed like his allergies were getting worse so I stopped Zrytec and tried Claritin and next thing I see is that he is making 100s and getting good conduct marks at school. I didn’t put 2 and 2 together until I gave some Zrytec to his little brother and suddenly he started having big brother type mood swings and troub M 7 3 years
3/7/2006
 1  enviromental allergies Mood swings, aggressiveness, tearful, negative, abdominal pain, extreme loss of appetite After 7 months of successful zyrtec use my 4 yr old began to exhibit changes in his mood/personality. He was very negative, at times aggressive and yet tearful, emotionally unstable. We thought it was a phase, growing pains, etc. He began to complain of stomach pain and had no appetite. He was on the verge of weight loss. His grandmother questioned whether the Zyrtec was upsetting his stomach. Prompted by her theory I searched the internet and found this site. The comments here blew us away. We stopped the Zyrtec immediately and the there was a dramatic change the following day. We had our son back. I have been told by our dr. that Zyrtec, unlike Claritin, crosses over to the CENTRAL NERVOUS SYSTEM. Please consult with your pediatrician about other options. DO NOT ASSUME that your child is just going thru a phase. PLease talk to everyone about this - our info has already benefitted someone third hand thru my son's pre-k teacher ! M 5 8 months
3/3/2006
 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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 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
 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
 1  Allergies My 6 yr old son was prescribed zyrtec syrup for seasonal allergies with nasal congestion. One hour after the first recommended dose of 1 tsp. he began trembling, complaining of severe stomach pain & dizziness and began throwing up. Quite a sudden change from a healthy (just congested) little boy who had previously been running through the house like he was trying out for the Olympics. Proceed with caution. I think this stuff is a bit too strong for children in my opinion. If you have a small child, I would consider cutting the first dose in half. We were recommended to give this medication another try after waiting a few days...but we will not be doing that. We are done with Zyrtec here. M 6 1 days
11/23/2005
 1  For nasal allergiesand sinusitis Started giving myson zyrtec in the mornings which made him groggy- so switched to night.After 2 weeks , I forgot a dose.He woke up at 1.30 a.m. with violent shaking and visual hallucinations.I thought he had a bad nightmare-it did not help that he also had a viral fever at the point. Next two days I gave zyrtec he slept through the fever. Then I missed a dose again and pronto he was up at 1.35 am with the exact same symptoms of seeing lights and monsters.He has never had such episodes before and reading all this definitely points to Zyrtec interefering with the mental state. He is definitely coming off Zyrtec. To top it all it did not relieve his sinus sysmptoms either. M 4 14 days
11/22/2005
 1  my son has allergies My son who is now 2.4 years old, was prescribed Zyrtec last year. We only had him on it for a little while last season. This season, we had him on it straight for weeks. We've seen a complete change in our usually happy energetic toddler. He was up every hour, if he even went to sleep and he was violent. Night after night - just a few hours after taking he zyrtec, he'd be a terror. Last night, we didn't give it to him and he slept all night. I would never recommend giving this to a small child. IF you do notice mood swings, negative behavior or very long and violent 'night terrors'...take your child off the zyrtec and then go from there. M 2.4 30 days
11/5/2005

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