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 Date added. 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 |
| 3 | allergies, mold, dander, pollen | it took me so long to figure out, but I would take it before bed because it made me sleepy, but then while I was sleeping, I'd get chills, teeth chattering, and insides trembling, and then I would be having these involuntary muscle contractions, pulling me into a ball, then I'd wake up gasping like I'd run a marathon, and bad dreams! | The PA told me better to manage allergies than use "rescue" medications like OTC stuff I'd used for years with no really bad problems except for sleepiness and constipation. I'd rather put up with that than this stuff. The Zyrtec worked, but I can't be losing sleep to all that other crazy stuff going on. Singulair had similar effects on me too, worked great on allergies and asthma, but was making me have involuntary muscle contractions all night. I'm talking about big muscle contractions and maybe every 2-3 minutes all night long. | F | 52 | 1.5 years | 11/15/2006 | 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 | 1 | Allergies | My 5 year old son, who is very well mannered, became an absolute terror after only two weeks!! He was calm, focused, nice, understanding ... and all of a sudden he's throwing tantrums and we're being called into school daily. | Children should not take this medicine under any circumstances!! I'm really mad that no one warned us of these complications!! | M | 27 | 14 days | 11/1/2006 | 4 | SEVERE ALLERGIES SICK YEAR ROUND! | SLEEPY | I AM ALLERGIC TO DUST, RAGWEED AND CATS. ZYRTEC HIGHEST DOSE(IT HAS TRULY HELPED ME BREATH THROUGHOUT THE DAY AND GIVES ME A CLEAR PASSAGEWAY AT NIGHT. ALSO,FLONASE (GENERIC :), AND QVAR. AND A STRONG VITAMIN REGIME WHICH INCLUDES ACIDOPHILUS AND THAT HAS REALLY HELPED CONTROL MY PROBLEMS. I COUGH ALL WINTER AND THROUGHOUT THE RAGWEED SEASON USING AN INHALER TO HELP ME ALONG THE WAY! I AM BEING TREATED BY DR. KAGEN IN APPLETON, WI. ALLERGY SHOTS! SO FAR THERE IS A HUGE DIFFERENCE AND I SURVIVED THE RAGWEED SEASON WITH ONLY A FEW BAD WEEKS. HE HAS ALSO RECOMMENDED JUVENON NOT A DRUG TO HELP HEAL WITHIN''IT ALL STARTS THERE. WITHIN! | F | 42 | 1 years | 10/31/2006 | 1 | sinus | dementia | My father was given zyrtec in september for sinus trouble & to help him sleep. Within 24 hours he was showing signs of dementia. After a month his Doctor said that it was an allergic reaction to Zyrtec. Week two and there is still no improvement. More tests will be run. My father is only 65. I have been taking zyrtec for 1 and a half years. I quit cold turkey. No more night mares, I have more energy. I do not want to sleep for two to three hours during the day. My temperment has calmed down so that I do not over react to the slightest things. Maybe now the 30 pounds that I have put on will come off. Please Pray that my father gets better soon. | F | 39 | 2 years | 10/30/2006 | 1 | allergy to dogs and cats | hives | F | 62 | 6 days | 10/30/2006 | 4 | allergies and hives | None that I was aware of at the time. | I stopped taking zyrtec about 1 week ago and have had horrible itching. I thought at first it was from a new detergent but switched back to the old with no relief. Now reading this site I think I am in withdrawl. However I have never taken anything that worked so well for my allergies. I did develop a ringing in my ears shortly after starting it and wonder it anyone else has had that as a side effect? It is not going away since I stopped but it hasn't been that long yet. | F | 53 | 2 years | 10/28/2006 | 1 | Allergies | Drowsy all day long, Lethargic, Headaches, sick, depressed, shaky at times, irregular heartbeat, | I could not figure out why i was feeling so tired and completely exhausted all day long. I was talking Zyrtec at night but in the morning it was impossible to wake up. Then all day long I would feel tired and depressed. After reading this website I immediatley stopped taking zyrtec. However since i was talking it for two months it felt like my body was going through withdrawl from it. I would feel sick and at night could not sleep at all. This drug is the most HORRIBLE drug on the market and I would not reccommend this product to my own worst enemy. This product can completely ruin your body mentally, physically, and emotionaly. I would rather suffer from allergies all day long. I give it 100 thumbs down | M | 24 | 2 months | 10/27/2006 | 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 | 1 | allergies | hands and feet swellings body aches. SLEEPINESS. DEPRESSION. I think it is a horrible drug. I stopped for a three days and was feeling much better. ( I was trying to see if Zyrtec was the problem) I took one last night. Nightmares hands,feet, backache body aches are back. I am THROUGH with Zytrec. I can take the 12.5 mg meclinzine You can ask druggist for it OTC. I will take that when I need it for allergies. I have been on Zyrtec on and off for years, and now I know I am not crazy!!!! | HORRIBLE DRUG!!!! | F | 65 | 6 years | 10/18/2006 | 2 | Allergies | My son's behavior changed so dramatically that I was looking into him seeing a child pyschologist. I noticed that his violent and depressive mood swings coincided with his taking the medication. As soon as I took him off of it he was fine! I was so relieved to see that others had the same concern. | M | 7 | 60 days | 10/16/2006 | 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 | 5 | Severe allergies | Makes me tired so take it at bed time. If take it in the morning it makes me too tired. | The best antihistimine period and I have taken them all! Works on dust, mold, pet dander especially and seasonal allergies. I just love it! I wish all medicines worked as well as zyrtec. | F | 37 | 6 years | 10/10/2006 | 1 | Seasonal Allergy | My 7 year old daughter become unable to focus, had trouble concentating in school, complained of headaches, became extremely unhappy, and experienced weight gain while on Zyrtec. And, thankfully within days of switching to Singular we are seeing "our daughter" back again. | The side effects are horrible! | F | 7 | 45 days | 10/8/2006 | 1 | Seasonal Allergy | My 7 year old daughter become unable to focus, had trouble concentating in school, complained of headaches, became extremely unhappy, and experienced weight gain while on Zyrtec. And, thankfully within days of switching to Singular we are seeing "our daughter" back again. | The side effects are horrible! | F | 7 | 45 days | 10/8/2006 | 1 | Hives/cough/runny nose/red eyes | Intense mood swings, aggressive behavior, loss of appetite, fearfulness, broken sleep, diarhea, and spitting up. | My 15 month old has been on it for 10 days now. He was a very calm, even-tempered child. Quick to laugh- an angel. He has become seemingly possessed. He changed overnight- he is now hitting, biting, yelling/screaming and crying, then laughing again. He is pinching, waking up screaming at night and inconsolable. He is fearful, even of things he loved before. He went from never missing a meal to barely eating. After it took me two hours to get him to bed tonight, with him screaming hysterically the entire time, I looked online to find potential side effects of zyrtec (which I did before I gave it to him in the first place but I didn't find anything then). I am so relieved to have found this site and see other parents experiencing the same problems with the drug. I feel so bad that I gave it to him! I will never give him zyrtec again, and I will be sure to tell everyone I know not to take it or give it to their children. Though the drug did relieve his hives and lessen the runny nose/red | F | 24 | 10 days | 10/6/2006 | 1 | allergies - heyfever | My 4 1/2 yo son was put on Zyrtec to help control his hayfever. He experienced heightened behavioral problems at preschool - including intense hyperactivity, distractibility and inability to attend. He also experienced stomach problems and had diarrhea every day while on Zyrtec - at first we thought the diarrhea was directly related to an antibiotic he had been put on for 7 days but now we know he was cramping due to Zyrtec. | I might add that my son's doctor mistakingly put him on 10 mg instead of the 5 mg he should have been taking, for his age group. I am taking my son off Zyrtec - all together - and will see if that helps him get back to being "him" at school. If so, we might try a dosage of 5 mg at a later point in time. But after reading the comments here, I'm even skeptical about that level dosage in kids. Last night was his first night off of it and he woke up, mid night, with violent stomach pains, cramping and intense diarrhea. | M | 4 | 3 weeks | 10/4/2006 | 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 | 3 | Allergies / Asthma | Increase appetite, weight gain | my daugther is 3 1/2 years old and has been eating ALL day! she will not stop eating. She has only been on this for 2 weeks and her allergies seem ok right now - but can't believe the increased appetite. | F | 3 | 14 days | 9/23/2006 | 5 | headaches allergic rhinitis | none whatsoever! | Had chronic headaches for years. zyrtec has helped immensely, but and i am amazed by reading all of the side effects you have mentioned. i have none. zero. zilch. except of course, my head doesnt hurt. | M | 3 months | 9/19/2006 |