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
 
 1  asthma triggered by allergies My 8 year old son has been taking Zyrtec for nearly 4 years. During that time, we have struggled with him concentrating in school and learning to read. We even had him repeat kindergarten and attend private reading tutoring for 1.5 years ($4760!!). We were about to invest $2500 in a private neuropsychological evaluation to see if he had a learning disability or ADD. Almost two weeks ago, I discontinued the Zyrtec in preparation for allergy testing. In that time, his teacher and reading tutor reported a measurable leap in his attention span and reading performance. We saw it at home too. Similar experiences posted to this site has confirmed my suspicion about the connection to this amazing turn-around and the cessation of his Zyrtec. It's the root of all evil. Question any medical professional or change in your child's behavior if Zyrtec is involved. M 8.5 4 years
11/7/2008
 1  Allergies My daughter had behavioral changes...she cried constantly. She was honestly depressed. She never smiled. She was also very itchy on Zyrtec. After about 6 months she developed a motor tic. It took awhile to link it to Zyrtec, but within a month of going off Zyrtec the motor tic went away. She was also able to smile and laugh again. Zyrtec was a horrible experience for my daughter. F 7 1 years
10/30/2008
 1  seasonal allergies Behavior and mood changes (aggressive, moody, irritable). Skin irritations. On a recommendation from our pediatrician, we gave this to our 2-year old son. We saw behavior changes, but thought it was simply the "terrible 2's". This should not be given to children!!! I'd be interested in hearing from other parents and what (if anything) you have found to give children for seasonal allergies. I am investigating more natural options from now on. M 2 45 days
10/28/2008
 1  seasonal allergies My daughter started taking zyrtec when she was 4 1/2, she had trouble sleeping (always waking up in the middle of the night and coming into our beds), she would have extreme horrible tantrums, disagree and argue over the smallest details. She started taking zyrtec under an allergists care when she was 4 1/2. The doctors never mentioned any possible side effects in children. So when she all of sudden started with the extreme horrible tantrums and the mood swings we thought it was just a phase. She is 6 now and has been off of zyrtec for 1 1/2 months, and we have noticed a change almost immediately. Her tantrums are very few now and can be controlled with a simple time-out. F 6 1.5 years
10/24/2008
 2  allergies, cold My 20 month old daughter was having difficulty sleeping Tonight my daughter finally went to sleep after not sleeping well the past few nights. I realized that tonight is the first night I have not given her Zyrtec in three days. She also had trouble sleeping several weeks ago when I was giving it to her for "allergies" (a clear runny nose that went on for a month or so) as the doctor suggested. My daughter almost always goes right to sleep when we've had a "normal" day and sleeps through the night. I thought maybe her teeth were causing her problems but her behavior these past few nights and a few weeks ago were very similar. She would stay awake until well after 11:00pm when she usually goes to be around 7:00. I'm not sure if her irritability the next day was due to lack of sleep or the medication. F 1.5 3 days
10/20/2008
 1  Daughter Eczema & Food Allergies rash all over body, night terrors, relentless whining, hitting, stubborn fits, crying spells over small things, would not play well with others, circle around eyes, fear issues, and became very clingy My daughter has extreme Eczema in the creases of her body (inner elbow, back of knees) which is the worse during the winter months. At first it did a great job of taking her itching away and I was relieved. Her skin went from scabs to normal. Then it came back with a vengeance. I gave her Zyrtec again but, this time it was as if she had become immune. I had to increase the amount given to her to work. She became a totally different little girl. The thing that was most concerning was the night terror which is as is half awake and someone was killing her. Screaming, kicking, crying but not really awake. Then she started hitting her little brother all the time and would not share at all. She use to adore him and pamper him. Instead of making it better she slowly got itchy bumps all over her body. The hard part is watching her itch all over now due the prolonged use of Zyrtec. I am taking her off immediately and looking at diet options instead like Gluten free diets. I am glad t F 3 6 months
10/15/2008
 1  allergies moody, trouble sleeping at night, agressive behavior, argumentative over the smallest requests my son has been on zyrtec for 2 years on and off.He is moody and is defiant but I just thought it was normal 4 year old behavior.This week he started acting out, he hit two of his friends, he gets really angry over the littlest things.I was at my wits end and I just thought about looking up side effects and found this website and I am in tears over reading the other reports.I am taking him off zyrtec tonight. M 4 2 years
10/13/2008
 4  allergies NONE My son has been taking zyrtec for about 3 years and has had NO side effects. He is a great student with no behavioral issues. We even get comments from people in public about how well mannered he is. It is actually the only medicine that keeps his itchy eyes and nose in check. We've also added an over the counter allergy eye drop by Similisan. We notice a big differnce within 2 days if he has not taken his pill. Thank God for Zyrtec. M 7 3 years
9/23/2008
 1  seasonal allergies My 9 year old son started zyrtec on a daily basis at the end of August to help with seasonal allergies that trigger his asthma. He started becoming extremely emotional both at home and at school. Knowing that normally he would never cry at school if he could help it I started questioning the Zyrtec. I decided to take him off for a week and see where we were at and immediately saw improvement at home. Then I was called into the classroom by his teacher because she wanted to tell me what a huge change she saw at school overnight! She explained that she was very worried about my son's transition into 4th grade but now she is confident he is doing fine! She claims he is like a whole different kid in the classroom than what she has been witnessing the 3 weeks prior since the start of school. I would decribe his side effects as fatigue, lack of concentration, weepy, depressed. If your child is suffering from anxiety, depression and being very emotional take them off Zyrtec! Huge improvement over night! M 9 1 months
9/22/2008
 2  seasonal allergies urinary problems, possible visual disturbances My 9 y/o daughter has been taking this almost daily for about 4 months for a chronic cough and seasonal allergies. Her cough has not improved and she says her throat is still itchy. Nasal symptoms/stuffiness seems better, but she's on Veramyst too. The disturbing part is she has been having problems urinating (feeling like she has to go, then can't go, or accidentally leaking a bit in her pants). She mentioned this before, but I didn't take much notice of it, till she told me again tonight and I got on this site. She also has had comments of "seeing horizontal blue lines" or shadowy "people' out of the corner of her eye a couple of times while she is watching TV. Took her to the eye dr. and her vision is perfect. I'm thinking both of these symptoms may be due to Zyrtec, so I will call her Dr. and take her off of it tomorrow. No point if it's not even helping the chronic cough they prescribed it for!! F 9 4 months
9/7/2008
 1  Seasonal Allegries Behavior problems, severe stuttering My 3 year old son started taking over the counter Zyrtec for his seasonal allegies. Within a week his speech was terrible. He had never had problems with his speech. He literally woke up one day and had a severe stuttering problem. We took him to a speech pathologist and she recommened therpy. I would give him Zyrtec just as needed. I noticed that he would be better some days, but other days he could hardly speak. One day while wasting time away I looked up Zyrtec and found other comments about behavior changes. I took him off Zyrtec and his speech has become normal again. M 3 1 months
9/7/2008
 1  allergic rhinitis complete 180 in behavior in my normally sweet, good natured 6 year old son! Irritability, inability to concentrate, disobedience, inability to control emotions and what he says. ADHD like symptoms. My husband and I noticed our son acting wild and a bit disobedient over the summer, but attributed it to running amok at day camp all summer. Our son started 1st grade last week and after being e-mailed by the teacher on a daily basis and getting called for a conference already due to his inability to concentrate, hitting other children and his general irritability and bad behavior, I started doing a little research. Thankfully, I found this site! At first, we thought he might have developed ADHD, but then I started thinking about when his behavior changes started. They coincided with when he started taking Zyrtec! I stopped it today, after confirming with our pediatrician that Zyrtec is the likely culprit. Beware! M 6 60 days
9/4/2008
 4  Daughter's Allergies Not any-my daughter has been taking zyrtec for 4 years now If I discontinue zyrtec-she will immediately become crazy from the allergies. She has environmental allergies and this seems to work great along with a nose spray. F 8 4 years
8/25/2008
 1  pet allergies/allergic rhinitis aggressiveness, irritability, drowsiness, extreme anger and mood swings, very emotional, excessive crying My 4 year old son has taken Zyrtec and Nasonex on and off for the past year after his dr. prescribed it. While it worked great for his allergies, I feel it completely changed his personality. Like many other parents on here have said, my once sweet loving son turned into a demon child. Hitting other kids, throwing toys, becoming very angry over mild situations with other children, very defiant, just a real nightmare. We stopped giving him the medication because we were just scared of the way his behavior had changed and we saw improvement for the most part. Of course we were still giving it to him on and off as needed when his allergies would really act up so I think that's why his behavior never really improved fully. I decided to give it to him last night because his allergies were really bad and today was the worst day I've ever had with his behavior. I googled zyrtec and irritability and this site popped up. It didn't pop up a year ago when I researched zyrtec side effects. M 4 1 years
8/21/2008
 1  seasonal allergies My 3 yr old son exhibited hyperactivity and tantrums while taking the recommended dose. I am throwing it away! M 3 2 days
8/11/2008
 1  Allergies I posted here almost a year ago that my son was experiencing horrible bi-polar type violent episodes since taking Zyrtec. We took him off Zyrtec the day I found this site. At first the behaviors subsided within 24 hours of stopping the medication. Slowly, over time and now a year later, the same behaviors are back in full force again and he is on NO allergy meds, except for occasional Benedryl. He's has been recently diagnosed with ADHD and is on Ritalin, that's not helping much. He is soon to be tested for bipolar disorder and oppositional defiant disorder. He's not had any Zyrtec in almost a year. My 6 year old, first grade son has said he wanted to kill himself. He's been in therapy over a year. I firmly believe that the Zyrtec did permanent damage to my sweet bright, little boy's brain. He is now classified as "special needs". DON'T GIVE THIS DRUG TO YOUR CHILD, AND TELL EVERYONE YOU KNOW DO NOT GIVE THIS TO THEIR CHILD! I fear my son will never be the same. I believe Zyrtec poisoned him. M 6 7 months
8/10/2008
 1  Prescribed by allergist Severe mood swings, aggresiveness, night terror, fatigue. My two year old has severe asthma and allergies. His allergist prescribed Zyrtec about six months ago and he takes it every night, which was suggested. I noticed right away, he cleared up, but I also notice that almost every night since then, it is a chore to get him to sleep. He has severe tantrums, will not sleep and when he finally does sleep, he wakes up in the middle of the night several times screaming. I kept thinking that is must be because of his 'terrible two stage,' but the more I read, the more I feel like I have been poisoning my son for 6 months now! What are other parents doing for their kids allergies? I know he needs to take something to clear him up, but Zyrtec is not the answer. M 2 8 months
8/3/2008
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 1  seasonal allergies, eczema our 2 year old daughter was prescribed zyrtec for a bad eczema outbreak/seasonal allergies. after taking 2.5 mg for 2 days, her behavior became completely out of control. horrible tantrums, hyperactivity, screaming fits. much worse than her usual acting out. it was like a switch had been flipped. we are going back to benadryl. do NOT give this to your kids F 2 2 days
7/2/2008
 1  Severe Hay Fever,possible dust alle Extreme drowsiness, irritability, slightly depressed/self doubt, thinking something more serious was wrong with her, (ONLY 10 YEARS OLD), UPPER GI (chest) burning/pain, diarreah, just not acting like my daughter when on the meds. Wow, what a nightmare! CAUTION! Please parents do not give your child this medication! I am going to stick with mucinex for her congestion, and proceed with more natural remedies,ex.(local honey daily,etc.) I'll probably never trust another allergy med with my kids after this! F 10 8 days
7/2/2008
 1  Severe allergies My 4 year old daughter has severe food and environmental allergies. She was prescribed Singulair and Zytrec at the same time. She had only been on the medication one week and she started to act like she was possessed. She went from a sweet little angel to a child with sever behavorial outbreaks and was extremely emotional. After finding this site I called her allergist and they told me to stop the medications immediately. My question is.... Why wasn't I told this was a possible side effect in the first place????? Do not give this drug to your child. F 4 1 weeks
6/11/2008
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