ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)Average Rating: 2.0 (1816 Ratings)Filter ResultsCompare ZYRTEC with similar:
Type: Over-the-counter Drug
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Results are sorted by Age from youngest to oldest (reviews with no age reported listed first). Key to Ratings: 1=LOW (I would not recommend taking this medicine.) Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 |
More on ZYRTEC: Reviews Summary | Drug Safety Information
| RATING | REASON | SIDE EFFECTS FOR ZYRTEC | COMMENTS | SEX | AGE | DURATION/ DOSAGE | DATE ADDED |
| 1 | allergies | 2 yr old boy has been coughing during sleep. Took this for possible allergies. Four nights and has been crying during day and yelling and tantrums that are not his usual self. | I would not reccommend this for children. | M | 2 | 4 days | 9/23/2007 | 1 | allergies | waking up for no reason, temper tantrums, crying for no reason, stopped eating. | My 23 month old son turned into a nightmare. I have been thinking it was do to the fact he's almost 2 years old. But, after reading comments on here I'm not so sure it's the terrible two's! My son started by waking up super early, he stopped eating, he has turned from a sweet happy boy into a temper tanturm throwing nightmare child. The smallest thing sets him off and I end up w/ a child who screams and cries for 40 plus minutes. All this started last week shortly after his 2 second dose of Zyrtec. I had no warning from my dr. about side effects she made it seem like a wonder drug. Thank God for this site other wise I would of gone on druging my poor baby. | M | 2 | 2 weeks | 9/10/2007 | 1 | allergic rhinitis | my son has been taking claritin prn for the past few months for allergic rhinitis sxs. We did notice it made him hyper, especially if we gave it to him in the am. We switched to zyrtec last night and noticed that he was extremely irritable all day today, crying at the drop of a hat. We didn't thnk much about it , as he was also sick. However, tonight after his second dose, he woke up at midnight hysterically screaming. When we went to comfort him , he was aggressive and angry and very difficult to console. Had I not read the other comments on this site, I would not have believed it was the zyrtec. I will never give it to him again! We also noticed more aggressive and moody behavior when he was on singulair. He has been off that for 2 days now. We will go back to claritin and his flonase nasal spray. | Please call your pediatricians and allergists if you experience similar reactions in your children. If enough people make complaints , then action will be taken. | M | 2 | 2 days | 4/7/2008 | 1 | allergies | aggressive / temper tantrums /emotional outbursts | This medicine should not be prescribed to children!! | M | 2 | 9 days | 4/17/2008 | 1 | Allergies/Eczema | My daughter (21 months) was prescribed Zyrtec about a month ago for allergies. She's a very happy, sweet, loving child with the normal toddler challenges, but never anything unusual, nor aggresive. Well, that had all changed in the past month. We just kept telling ourselves that it must be the terrible two's - but this was bad, she would cry at the slightest thing, she almost stopped eating, she'd wake up crying at night and it would take hours to console her. She became aggresive (slapping, biting) and she was never like that before -- it finally hit me last Friday when she'd bit another child at daycare really hard that this just can't be normal and I can't say why I thought it, but that night I wondered if it could be the Zyrtec - it was the only change in her normal diet - so I went to web and typed in "Zyrtec & Mood Swings" and found this site - what a relief. we stopped her Zyrtec and by late yesterday (2 days later) she was back to her sweet self again. I'd rath | F | 2 | 30 days | 10/8/2007 | 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 | 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 | 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 | 1 | Before Zyrtec, my 2-year-old was polite, mentally advanced, fully fluent in English, and was learning Spanish & sign language. Her Pediatrician gave her this Zyrtec to treat allergies. Extreme Stutter, Vaginal Discomfort, Mental Health issues, hallucinations, nightmares, mood swings, violent hitting and biting, dry nose, OCD Anxiety, and more. The worst was the bouts of Sadness. When a 2-year-old sits down and says she is SAD and has a catatonic blank stare when she is usually the vibrant life of the party social butterfly, it is VERY disheartening. | Found information about Zyrtec breaking the Blood Brain Barrier causing drug-induced mental issues. Zyrtec had legal action against them years ago for this EXACT reason and changed the drug to one known to break the barrier with less frequency but it still does. This is just WRONG to put don't he shelves and ruin kids (and Adults) like this. I just stopped the drug and noticed a marked improvement in my baby girl. She still has a stutter, and what seems to be OCD issues. I am now scheduled to see a Neurologist. I wish I had more to share. I can only PRAY and provide any support possible with the HOPE that my kid returns to normal. DO NOT TAKE THIS PRODUCT!!!!! I will update this post with info or feel free to email me via the link below. | F | 2.4 | 3 weeks 2.5 mg 1X day | 8/15/2022 | 4 | allergy to dogs | irritibility, agitation, uncontrolled crying and anger. | My son uses Zyrtec only when he is going to be around dogs for an extended period of time; maybe 1-2 times a month when visiting family. I was blaming the behavioral changes on him being tired, etc., but it was too much of a coincidence. It works great for his allergies, however, the side effects are not worth it. | M | 2.5 | 2 days | 9/25/2006 | 2 | seasonal allergies | trouble sleeping during the day during regular naptime, sore/dry throat, stomachace,loss of appetite, nosebleeds | My 2 1/2 year old was on Zyrtec liquid at night for 1 month and had these side effects. Once we went off Zyrtec, the issues stopped. Not happy. Not happy at all. | M | 2.5 | 30 days | 10/24/2006 | 2 | seasonal allergies, | My daughter was on when she was 2 yrs old she is now almost 3. She has been having very bad tantrums, not listening, hitting. She was once very sweet and we thought it was just the terrible twos but the behavior just did not get better, only worse. After reading up on this, I know it is the zyrtec and will stop. It helped with her allergies but the behavior changes is not worth it. | F | 2.5 | 1 years | 5/24/2008 | 1 | Seasonal allergies | Gradual defiance, anger, rage...Jekyll/Hyde behavior, only minor allergy relief | At first it seemed to help. On day 3 he started acting out a little. I just thought he was having an off day. For days 4-9, temper tantrums over irrational issues began and progressed. He was hitting, kicking and throwing things and also hitting himself. He even tried to choke me and he doesn't see that kind of behavior to know this. After he finished his moment he seemed remorseful like he didn't realize he had gotten that way. He stopped taking Zyrtec and almost 48 hours later he is back to his normal sweet self. I plan on using a more natural alternative as he needs it. No more Zyrtec!!!! I wished I realized it sooner so he wasn't in this agony for so long. | M | 2.5 | 9 days 2.5mg | 4/13/2017 | 1 | Seasonal allergies and eczema | Anger, moodiness, nightmares, hallucinations, confusion, drowsiness, loss of appetite, decreased urine output, rash, flushing, and the worst was stuttering and apraxia of speech. He went from advanced talking to not able to form words or speak with out severe stutter. | This medicine is horrible. Do not give it to your kids. Caused many symptoms with my son including speech problems and stuttering. After one week of being off this medicine his behavior was normal and his stutter was gone!! I will never use this medicine again. This is too strong for small children's brains. The worst part is no one ever warned me about these possible severe side effects. He was a completely different child on this medicine. So glad I did some research and figured out what caused his sudden change. | M | 2.5 | 3 months 1/2 tsp | 10/26/2015 | 1 | seasonal allergies | My 2.5 year-old son started behaving very abnormal after 2 days on it. Very irritable, cranky, crying with no reason, hitting his head on the floor, hitting us....completely the opposite of what he normally is. | I can't believe our pediatrician recommended this. | M | 2.5 | 3 days 5 mg 1X day | 6/25/2014 | 1 | Ear Infections | Agressive behaviour,hitting,biting,screaming,throwing things,temper tantrums and not sleeping | I thought my son had the terrible two's, till i read these comments, "possessed" is how some parents describe their children, i agree. I'm a single parent some nights i just sit and cry, he's already been kicked out of one daycare for biting. Stopped the Zyrtec 2 days ago and already see an improvement, pray that it keeps getting better, wish i'd known sooner. | M | 2.5 | 1 years | 7/23/2009 | 1 | Allergies | Stuttering not being able to form sentences and extreme tantrums | F | 2.5 | 4 weeks | 6/2/2018 | 1 | allergies | aggression, hiting, biting others, hyperactivity, irritable, change in behaviors, change in personality and sleeplessness. These behaviors occurred gradually. | I was not warned by my allergist that these are possible side effects. My son started zyrtec the same time my daughter was born so I thought his behavior changes were due to the changes in our home. After taking him off zyrtec, I immediately noticed an improvement in his behavior. He wil not be taking zyrtec again. | M | 2.5 | 4 months 1/2 teas. 1X day | 2/23/2011 | 1 | ALLERGY | Within three days of starting this medication, my child developed PINK EYE (a lesser known side effect of this medication). Within four days of starting this medication, my child developed a STUTTERING problem! We pulled him off this medication!!!! | Watch your child closely if they are prescribed this medication!!!! | M | 2.5 | 6 days | 1/8/2007 | 1 | allergies/asthma | My son who is 2 1/2 had MAJOR TEMPER TANTRUMS and VIOLENT OUTBURSTS where he would hit and kick...not only hurting people but himself...he would throw things and kick and SCREAM!!! Almost like he had no control of his impulses and exaggerated temper. This was not like him at all. Stopped the medication and my nice son returned. Sure he had a tantrum here and there but they were normal toddler ones...not scarry ones. | I was not aware until coming to this website that this can be a side effect. His Dr. prescribed it for supplemental allergy fighter as he also takes Singulair and Pulmicort for his asthma. I would rather him be congested and cough than have these fits. I think we will stick to Claritin. | M | 2.5 | 1 weeks | 9/26/2004 |