Reviews for ZYRTEC

350 ratings: (age 12 or younger)

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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  allergies Irritable, sadness, poor impulse control, crying spells, insatiable appetite. My son is 5 and began taking Zyrtec 2 weeks ago for allergies. The first two days I was giddy with happiness because my sneezy, itchy snotty, miserable son had started waking up bright eyed and bushy-tailed. Then I realized how much his behavior was changing. His teacher started saying that he couldn't seem to control himself in class. Couldn't make a decision during choice time...on and on. She said it "wasn't like him" and wanted to know what was going on different. He also started crying more often for no reason and having strange dreams. And last, but not least, he started chasing and scaring our cat who he used to be so gentle and kind with. When I asked the doctor about the side effects, she was very blasse' about it. After reading the other comments about Zyrtec and kids on this site...I will never give it to him again. DO NOT GIVE YOUR CHILDREN ZYRTEC. IT IS NOT WORTH IT!!!! M 5 2 weeks
10/18/2005
 4  rhinitis and other allergy symptoms We are curious if this has affected his growth. He was 85% (height/weight) at birth and is now 25% (height/weight). My wife and I are both quite tall. She is 5'9" and I am 6'3". Just thought I would post this in case someone else sees the same thing. Symptoms have subsided fairly well. Without this our son required using the nasal tool 2-4 times per night. Now, more than half the time we don't even use it once. We only give about 1/4 of the recommended dose for his size and it seems to help alot. We cut the pills. M 3 1 years
10/7/2005
 1  seasonal allergies My son, now 4, has been taking zyrtec on and off for over a year. I thought he was just a difficult child and perhaps even had autistic tendencies, when I discovered the zyrtec was making my child a monster. He is an emotional wreck when he is on this medication. I'm throwing it away. M 4 1 years
9/26/2005
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 1  seasonal allergies My now 3 year old son has been on and off Zyrtec for over a year. He first began taking Zyrtec at age 2. At the time we thought that he was going through the terrible two's. Hitting, biting, temper-tantrums. Just an over all inability to control his emotions. We took him off for 2 months over the summer, we noticed how much more in control he was. We just attributed this to that fact that we was a year older and more mature. 6 days ago we started him back on the Zyrtec and within 24 hours we saw a total deterioration of his mood and behavior. He was crying uncontrollably, throwing temper-tantrums, unable to nap, and back to hitting and biting. M 3 1 days
9/24/2005
 2  allergy not sure yet due to the bottle only shows 3 side effects. my child has had bloody noses, difficulty breathing, and increased urination. was wondering if anyone else had these side effects F 9 21 days
9/1/2005
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 1  allergies/congestion/ itching/rashe Our 5 year old son has been on zyrtec off and on since 1 y/o. His dose was increased to 10mg/day for worsening symptoms in the spring of 2005. He started becoming increasingly angry, irritable and anxious. It got to the point that he wanted to hurt himself, run away, hurt us and he became a totally different person. He would cry so hard and ask us why he was so angry. Physicians told us that children with allergies tend to have behavior disorders. He started counsiling, we kept food diaries, sleep diaries, looked at everything he did to find a cause for his behavior. Finally we found this web site and found all of the other children who are reacting the same way to zyrtec. We took him off of his zyrtec and singulair immediately. Within 3 days he was a different child. You could see happiness in his eyes. He laughs again, he can concentrate - before he couldn't sit still to play with cars or do a dot to dot. Now he can. The transformation is amazing. Not one physician ever told us to watch for this potential side effect. He lost almost a year of his life and maybe more because of this drug. After two weeks he is back to his old self. The little things that would set him off into a violent tantrum are now no big deal. My goal now is to let as many people as possible to know about this side effect so that parents don't have to search like we did. We have no doubt that he would have ended up in special ed or labled as the child with the behavior disorder. I would be happy to talk to any concerned parent about what we went through. Please e-mail me at [email protected] M 5 4 years
8/20/2005
 1  allergies weight gain my son started taking it 6 months ago and gained a lot of weight. Initially I thought I would just give it to him for a month in spring to help him with his allergies. Then when he stopped taking zyrtec, he suffered and was very irritable. But now I am going to take him off of it any way. I wish he never took it. M 8 6 months
8/18/2005
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 1  allergies dry skin, uncontrollable, angry behavior We put my son on Zyrtec this spring for allergies and his allergies seemed much better but he did start to have more behavioral issues. I didn't make the connection to Zyrtec until we had to take him off it for a week to have allergy testing done. When we put him back on it again, he was absolutely a monster to deal with, culminating with him slugging a child several times at school (this from a boy who has no access to tv, movies, and doesn't even know what a gun is). I was so releived to find this website and realize that it might be the medicine and so angry that my pediatrician never warned me about these side effects, which they only admitted to when I called to ask. M 3.5 4 months
8/2/2005
 1  post nasal drip my four year old son was drowsy, coughed a lot in the morning, yelled out many times in his sleep and cried a lot during the day. The worst was he sneezed a lot and had a constant runny nose!!! Before he went on this medication, he was dry faced... Our doctor prescribed Zyrtec to my son because he cleared his throat a lot probably due to post nasal drip. He sneezed occasionally. Zyrtec has the opposite effect on him, making him sneeze a lot and exhibit a runny nose. After only two days, I am discontinuing. I'd rather have throat clearing and the other mild allergy symptoms my family experiences then put up with the side effects of this medicine. M 4 2 days
7/10/2005
 1  allergies I am trying to take my 6 year old son off of zyrtec due to negative side effects, he has been on it for one year and every time we try to stop , he breaks out in terrrible abdominal hives and persisitent itching.It is as if his body is now dependent on it. He never experienced hives prior to the zyrtec use and I feel it is just another bad side effect we were not warned about. M 6 1 years
6/30/2005
 1  Allergies We gave Zyrtec to our 3 year and she turned into a little monster, kicking and hitting. After about a month a light went on in my head, oh my god it's been about a month since we started her on Zyrtec. Thats when we looked on the net and found this site, after seeing the same stories we took her off of it and within a couple days she was a little angel again.. There should be a HUGE warning label on this stuff for children. When my daughters cute smiles and funny looks came back it brought tears to my eyes.. I would not give this to my children again if was the only thing on earth to stop their runny noses. F 3 1 months
6/16/2005
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 1  baby measles My 2 1/2 year old son was given this medication by his Doctor for any itching that was associated with the rash he had from the baby measles (Roseola). I gave him 1/2 tsp one time. It literally turned into the devil. He screamed and cried for no reason. He had violent outbursts where he would try to hit at us. I couldn't believe that my toddler was acting like this. That this medicine could actually change his behavior in such a way the it scared the crap out of me. He would just start 'freaking out' and then he would be saying 'Hey Momma' and smile at me. Does anyone remember the 'EXORCIST'??? I do not recommend this drug for children of this age. I will stick with Benadryl. M 2 1 days
6/10/2005
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 3  Allergies - seasonal and pet My son (now 12) has been taking zyrtec for about 4 years. It completely took care of all of his allergies; however, he has become increasingly angry and has temper tantrums...yes, at the age of 12!!! Not a pretty sight and also happens at school. He is a gifted child and has never had any behavioral problems until being on zyrtec. We never experienced this before and I am so glad I found this site because after reading all of the comments, I see a definite common demoninator among children who take zyrtec and that is anger. I must find something else immediately. I wish I had known this BEFORE as it will be very difficlt to find a medication that will do all that zyrtec has done WITHOUT causing anger and violent behavior. M 12 4 years
6/1/2005
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 5  pet and seasonal allergies slightly dry mouth and groggy in the morning. Side effects were mild and not bad enough to stop the medicine. My son is alot more comfortable sice he has been taking it. It has not effected his personality or concentration al all. M 4 2 years
5/19/2005
 2  allergies My 3 yr old became a different person, yelling, biting, spitting, throwing things, and agitated by the 2nd day. Called doctor and they weren't even surprised! Suggested I try Claritin, but said it might do the same thing. Zyrtec cleared up the allergies quickly, but, I'd rather have my runny nosed angel than the clean faced, unpredictable stranger on Zyrtec. F 3 2 days
5/6/2005
 1  allergies My daughter first starting taking it when she was 20 months, she would kick the walls and be OUT OF CONTROL so we took her off and on benadryl afer taking that for a 1 1/2 yrs she has become immune and it no longer is working. We went back to the doc. and then suggested we give zyrtec another try, the monster came back!! Its nice to hear i'm not the only parent dealing with a crazy violent child from this med. F 3
5/6/2005
 1  allergies My daughter first starting taking it when she was 20 months, she would kick the walls and be OUT OF CONTROL! Her Doc took her off zyrtec and put her on benadryl afer taking that for a year and a half she has become immune and it no longer is working. We went back to the doc. and then suggested we give zyrtec another try, the monster came back!! Its nice to hear i'm not the only parent dealing with a crazy violent child from this med. F 3
5/6/2005
 1  Seasonal allergies, hives My pre-school age son undergoes a complete personality change on this stuff. From sweet and chatty to aggressive, moody, and irritable. On it three days and his teacher said he was like a different kid. It gave him nightmares, too. Took him off and back to normal. We'll treat his allergies with something else. Better the hives than this. M 5 1 weeks
5/3/2005
 1  allergies 6 yr old son- became depressed wanted to hurt himself and others M 6 12 days
3/7/2005
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 1  allergies My child went immediately from a happy, sweet child to a wild raging monster. She has never been one to throw temper tantrums and she was nearly unrecognizable as the same child. She seemed distraught and unable to control her emotions. I would not recommend this for anyone who has experienced sensitivity to antihistamines. F 3 4 days
3/1/2005

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