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 dizziness | Exhaustion, hair loss, and most importantly WEIGHT GAIN!!! | I started taking this along with cymbalta (for neuropathy pain) and I IMMEDIATELY GAINED 8 lbs within 1month. I quit the Cymbalta a week ago thinking that this was the problem, but I'm still feeling the same in fact I'm absolutely exhausted and hungry still. I missed work yesterday because I was so tired. I absolutely have to peel myself out of bed in the morning even after 8+hrs. I haven't changed anything in my diet accept the drugs. I will post back in a couple weeks to see if I get more energy and loose weight. needless to say I'm stopping this drug today after reading the comments on here. I asked my Doc and she said absolutely NO Zyrtec wouldn't have this effect! Don't believe it!!!!! | F | 2 months | 11/16/2007 | 1 | ear infections | zoned out, tired, ill, rash | My little boy was on zyrtec for about 8 days. I could not figure out what was wrong with him. He was ill, tired, and he would not respond to me. He would wake up in the middle of the night screaming. He got a rash on him so I took him to the doctor and the doctors could not figure out what was wrong. He is 14 months old. I am shocked that children are prescribed this mediciation. | 8 days | 3/4/2008 | 1 | We are investigating the effects of Zyrtec on infants, children and teenagers. If you have a child who has taken Zyrtec and would be interested in speaking with us further about the adverse effects experienced while taking the drug, please contact Lisa Scherer or Harvey Franklin at 888/705-6800 between the hours of 8 and 5. We are located in California. | We are investigating the effects of Zyrtec on infants, children and teenagers. If you have a child who has taken Zyrtec and would be interested in speaking with us further about the adverse effects experienced while taking the drug, please contact Lisa Scherer or Harvey Franklin at 888/705-6800 between the hours of 8 and 5. We are located in California. | | 9/5/2006 | 1 | iitchiness | Drowsiness, bloated stomach, hyperacidity | I have been taking Zyrtec for about 5 years now. I tried giving up a couple of times with no success. On both occasions, I am OK for a couple of days and then the burning and itching starts. First, it's the fingers and toes. Eventually, the whole body becomes 'sour' with the burning sensation and scratching. Also, eyes become itchy and water constantly. Dermagraphism starts and also pressure urticaria where any pressure applied to any part of the body becomes red and elevated like a hive. Today I have a started my third attempt to stop this medication which is definitely addictive. Only one day has passed. Will update everybody in a few days if I managed to kick off the habit. | M | 5 years | 7/4/2006 | 2 | Asthma & Allergies | Dry skin, EXTREME itching when stopped, some weight gain, sleeping problems, mood swings/emotional issues, "stupor"/confusion/"in a daze", | Does help allergies, but the side effects are sometimes severe. It actually had an adverse effect on me and instead of becoming drowsy, I became hyper, so I had to switch to taking this in the morning. This helped somewhat with sleeping problems, because the weird/graphic dreams stopped, but I would still give this a 2 b/c of the other side effects. It also did not help with excess throat mucus/throat clearing. | F | 0 | 3 years | 1/5/2010 | 3 | asthma | Not exactly sure as my 11 month old is taking this. I think he has become more aggressive, but this could be attributed to him becoming a toddler. | M | 1 | 4 days | 9/30/2004 | 2 | food and environmental allergies | Screaming fits similar to night terrors that lasted an hour at night, wouldn't look anyone in the eye, defiant(would constantly run into the street,screaming if you changed his diaper), hyperactive, lost speech ability, a nurse said he might have autism, fell down constantly, seemed in a fog. | Worked great at first- he slept better for a few weeks. Then after a few months the side effects set in. I don't want to put my kids on any drugs again. I'm looking into holistic and homepathetic cures now. | M | 1 | 6 months | 11/21/2008 | 1 | allergy dog/cat | vomiting right after and screaming fits. Notice a runny nose. | can't believe all the comments I feel the same way, noticed my daughter was not the same screaming banging her head staring off into space. When stop using ZYRTEC she will scratch til she is covered in blood. Tonight I looked up side affects after I looked at my shoulder her face and her PJ's,'s, all covered in blood. After reading I am feel awful, and can't believe this. At night she will lie in bed and whimper and whine all night long. | F | 1 | 2 months | 10/9/2007 | 1 | My 18 month old has been on it | My son has been on it for two days and is hyper at night and cries all night in his sleep and is clingy and emotional all day! I am stopping this med NOW | M | 1 | 1 days | 7/9/2013 | 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 | son's cold/allergies | Within an hour of giving our 20 month old 1/2 tsp Zyrtec as the doctor prescribed, our son woke up screaming desperately. For the next 3 hours, he could not be consoled, running around, trembling and screaming as though terrorized. Occasionally he would fall asleep for a short while, only to wake up screaming again. It was really painful to watch. We were about to take him to the emergency room, but the doctor on call said to wait a while longer. He has never ever behaved like this, and he had not eaten/done anything else different, so we know it was the drug. This drug should NEVER be prescribed to children! | M | 1.5 | 1 days | 10/14/2006 | 1 | Seasonal Allergies | My son's pediatrician prescribed it for him. Almost overnight he became sleepy during the day and a completely different person. He is 15 months and I thought something was seriously wrong with him behaviorly. | I am so happy I stumbled across this site. His last dose was last night. | F | 1.5 | 10 days | 5/23/2009 | 1 | allergies | abdominal pain, vomiting, clingy, excessive crying, sleeplessness | I gave this to my 1 1/2 year old for allergies, after it was prescribed to her by her allergist. What a horrible drug! She ended up at the ER for abdominal pain and vomiting. If I had seen this website before giving her the medicine, I would definitely not have given it to her. | F | 1.5 | 3 days | 4/23/2009 | 1 | allergies | Temper tantrum, hitting, throwing things. Uncontrollable crying. He is normally a loving, happy little boy. Within 30 minutes of giving him Zyrtec he is bouncing of the walls. | I DO NOT recommend giving this to your child. | M | 1.5 | 1 days 2.5 mg 1X day | 11/3/2020 | 5 | Hives | No noticeable side effects | My daughter had a horrible outbreak of hives when she was just a little over a year old. It happened over the weekend and the ER doctors didn't know what it was. We took her to a dermatologist the next Monday morning, he diagnosed hives. My daughter was taking Zyrtec, Xantac and Benadryl for several weeks to quell the outbreak. She was then put on 1/2 teaspoon of liquid Zyrtec a day to prevent further outbreaks. After a few months we stopped giving it to her, soon after she broke out again. She is now 2 and a half years old and is back on Zyrtec daily, she is doing just fine. She takes it at bedtime. I see no difference in her sleeping pattern or behavior on or off the medication. From the looks of what I have been reading about other children on Zyrtec, I now feel that we have been very fortunate with our daughter. If she would have had adverse effects I would definitely have stopped it. Though, I am concerned about the long term effects of prolonged usage, effects that may not be visible at this time. | F | 2 | 1.5 years 1X day | 2/28/2010 | 3 | Allergies | flush red cheeks, hives all over trunk of body | Frustrated that I cannot find side effects on their website or on the bottle!!!! | M | 2 | 2 days 1/2 tsp 1X day | 7/25/2010 | 3 | allergy | My son started talking two days after stopping zytrec. He was 2 years old and just jabbered. We were thinking we needed speech therapy. Two days after we ran out of his med on a long weekend he could suddenly talk were we understood what he was saying. We also went out to eat without him screaming. | M | 2 | 1 years | 7/8/2006 | 3 | runny nose and other allergies | With my first son, I noticed that he only got in trouble at pre-school on the days I remembered to give him his zyrtec. We had to choose between good behavior and runny nose. Now my two year old has been taking zyrtec for a year and a half. I am considering taking him off the medication because his behavior is awful. I had no idea so many other parents have had the same problems. | Zyrtec worked wonderfully for both my son's when the had a runny nose and helped stop the cycle of runny nose then bronchial infection. | M | 2 | 2 years | 5/26/2006 | 2 | allergies | I have taken Zyrtec for years with no problem. I am 28 years old. My now two year old has been taking it since around 10 months. Around 18 months, he started exhibiting aggressive behaviors, such as hitting, biting, kicking, etc... His preschool teachers says, "He's not being mean; it's like he can't help it." I have now stopped the Zyrtec (as of yesterday). I am so upset to know of these possible side effects in toddlers/young children. I hope this solves our problem! | M | 2 | 1 years | 11/3/2006 | 2 | Allergies | My angel turned into a devil. She's never yelled, hit, screamed or threw tantrums until taking this medication. 10 days ago, she was prescribed Zyrtec for allergies. About 7 days ago, I noticed she started to yell in frustration when taken away from a toy (to eat, change etc). About 4 days ago, she started actually throwing tantrums, with the worst being yesterday. 40 minutes of yelling, crying, screaming. Who is this child?! I finally decided to reread the side effects in the literature given to us by the pharmacy and there in black and white it states "immediately report mental/mood changes to your doctor". She is now off the medication. Yikes! | Now that I've read some entries on this site, I see that she may have had other symptoms as well. Staring off into space for long periods of time, waking in the middle of the night, even crying out in her sleep. How long does this medication stay in your system? Does anyone know? | F | 2 | 10 days | 8/21/2007 |