ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)Average Rating: 2.0 (1820 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 | FDA Adverse Event Summary
| RATING | REASON | SIDE EFFECTS FOR ZYRTEC | COMMENTS | SEX | AGE | DURATION/ DOSAGE | DATE ADDED |
| 2 | allergic reaction, seasonal allergi | depression, mood swings, disturbed sleep, apathy, very wierd dreams, weight gain, memory loss | not really sure what made me wake up yesterday and say I'm not taking that any more--the difference in just one day is scary enough that today I went looking for side effects for Zyrtec--I agree with the others-I'd rather have a stuffy nose than feel like this anymore | F | 49 | 3 months | 6/9/2009 | 1 | My son was taking it for allergies | Severe temper tantrums (multiple times per day), head banging, sleeplessness. | My pediatrician recommended Zyrtec for my 2 1/2 year old's allergy problems. Before he started taking it, the only real problem we had was his sleeping. He was getting maybe 5 hours/night because of his allergies. After he was on it for a week or so, he became violently aggressive. We had not had too much of a problem with hitting or kicking before this. He also began banging his head during his tantrums and wound up with several bruises. Anything could, and would, set him off. He also stopped napping, which made him even more tired and irritable. I just stopped giving it to him, and hopefully we will see a change. | F | 27 | 7 days | 6/8/2009 | 1 | My son | His behavior gradually became very agressive. He was having sleep issues, anger problems and would cry very easily. He mentioned that he could not control it. I have stopped using the medication and I his behavior has returned to normal. It was so bad at one point that we were going to start him in therapy. Now I do not see the need for that. | M | 5 | 4 months | 6/7/2009 | 1 | seasonal allergies | moodiness,aggressive behavior,sleeplessness,irratable, inability to concentrate,rash on the back of neck | My son has not been himself for three weeks, he has been so irritable, angry and aggressive. He has had difficulty sleeping and has had some very serious problems in school with friends and his schoolwork. I only wish I had thought about a possible connection with Zyrtec. Today is the first day I did not give him any and I am hopeful I will notice a difference soon, I will never give him Zyrtec again, I will look into alternatives. | M | 6 | 3 weeks | 6/5/2009 | 3 | Seasonal Allergies | I started giving my 3 yr. old Zyrtec 8 days ago. It seems to be helping the stuffy nose and itchy eyes. Two days after starting the meds., She started having accidents. She has been fully potty-trained for a whole year- no accidents. Now she has 3-4 a day. She tells me she just can't tell when she has to go anymore. | F | 3 | 8 days | 6/4/2009 | 1 | allergies | I noticed after the second time I took zyrtec that i had some itching on my chest and when I looked in the mirror it was bright red. The next morning I was pink all over and had splotchy pink areas on my stomach. I took some Benadryl in hopes of counteracting an allergic reaction. It helped some. Allergic reaction? | The first night I took it I noticed my body was a little pink all over. The second time I took it a couple of days apart I also noticed after getting about 2 hours of sleep that I was wide awake and couldn't fall back to sleep and had almost like racing repetitive thoughts. Strange. I may try to mimic this response with another trial but I have a feeling this may not work out for me. | F | 36 | 2 days | 6/4/2009 | 1 | Dust Mite Allergies | In My 10 year old, aggression, fatigue, uncontrolled outbursts of anger, restlessness, sleep problems. | Did control the sneezing, created a very unhappy child and family. Pediatrician called it a mood disorder, recommended family therapy and meds. Zyrtec went in the garbage and peace returned to our home. Thank you for this website | F | 40 | 3 months | 6/3/2009 | 1 | Allergies | I am unsure if it is Zyrtec but I know for a fact that when my daughter took Zyrtec she began exhibiting violent outbursts, temper tantrums, mood swings, hitting, kicking, screaming at school, towards her friends, and sometimes me. | F | 29 | 60 days | 6/3/2009 | 2 | Allergies | Mood changes, aggression, social anxiety, clingyness | My 3 year old son has been taking this medication for over a year. We hadn't connected the behavior changes with the medication until it was suggested that the issues were not necessarily just the terrible twos. He has been off of it for 4 days and I am already starting to notice a difference. He is less clingy, more social, and generally less aggressive with his sister. I am not saying not to take it, but for us, the side effects clearly over shadow the possible benefits. Planning on stocking up on benedryl! | M | 3 | 1 years | 6/2/2009 | 1 | hayfever | moody, violent,spacey | M | 14 | | 6/2/2009 | 1 | seasonal allergies | My 2 and 1/2 yr old son was on zytec (liquid - 1/2 tsp) for red itchy eyes for the last 3 days... the drastic change I have seen in him is FRIGHTENING. Our normally calm, sweet, mindful boy was combative, hyper, defiant, and not listening to me to the point that I had to put him in the car b/c I was so wrought out. After reading several comments from others, I have now realized that it is the Zyrtec that is making him act this way. My husband and I are NOT giving this tom him effective tonight... I just hope his behavior stops as soon as we stop giving him the Zyrtec. I wish that someone would have informed us of this awful side effect OR the box would warn us!!! Shame on them!!!!!! | M | 2 | 3 days | 6/2/2009 | 1 | allergies | Obsessive-compulsive disorder Defiant behavior Problems with concentrating Anxiousness | Two weeks ago we noticed a radical change in our 9 year old son’s behavior. At first we noticed his obsessive-compulsive disorder. He began picking things around, filling his pockets and was unable to throw them away. He was touching things with his arm to the point to have bruises. He became obsessed with symetrie, and trying to get things in order. He became unable to concentrate at school or for homework, unable to obey. He was feeling extremely anxious and began having violent impulsions that, luckily, he managed to control to a certain point. Once he suddenly stabbed a pencil in my back .As I turned I saw his sweet little face saying « oops, sorry Mom, Just had to do it » He realized he changed, he was suffering and kept saying that he wants to become normal again, just as his friends, just as he used to be before. We were desperately trying to find the reason of this sudden change as he used to be a normal child, NEVER violent. At one point I thought of the fact that about three weeks ago he started taking Virlix which is the French name for Zyrtec, and luckily I found this site. We stopped giving it to him 2 days ago. The change is radical, our joyful son is back. Still some sporadic OCD gestures left, hopefully it will go away as well. | M | 9 | 20 days | 6/2/2009 | 1 | Allergies | My 5 year old daughter was prescribed OTC liquid Zyrtec by her doctor after an allergic reaction to a cat. She took it for 2-3 weeks. She became extremely combative, aggressive, hitting, kicking, fighting, screaming, crying, throwing tantrums, etc. | Her behavior was so unusual and out of control, that I began thinking about what had changed during that period of time and remembered she had started taking Zyrtec. I stopped the Zyrtec and her behavior changed immediately back to her normal 5 year old self. The change was dramatic and obvious. I found this web site by googling side effects of Zyrtec. After reading some of the comments and my own experience, I believe it is a crime that the manufacturer is not listing aggressive behavior as a side effect for children. I only went through this for a couple of weeks and it was awful, I feel sorry for the parents and kids who were taking this drug and experiencing these side effects unbeknownst to them. My daughter kept telling me she "couldn't help how she was behaving" and cried and was sorry and upset she couldn't be a good girl. I now believe her that she couldn't helpt it, because it changed immediately. I have also taken the pill form of Zyrtec myself for a couple of years to control my allergies and thought I had no side effects, however, I have slowly gained 30 lbs. over the past two years and wonder if this is related. | F | 42 | 2 weeks | 6/1/2009 | 2 | Allergies | Like being drunk. Experienced dramatic ups and downs. Extremely drowsy one hour and then drastically hyperactive the next. Very nervous and paranoid all the time. Could not think clearly. | Got rid of my terrible allergies but not the drowsiness. Made me even drowsier. The effect on my personality was terrifying. I was not normal while taking this. Basically like living through 'Alice and Wonderland' without the vivid colors. Mind often felt numb which is incredibly strange because I am usually totally alert. And I was definitely taking Zyrtec and not Zyrtec-D. | F | 16 | 7 days | 5/31/2009 | 1 | seasonal allergies | violent dreams | I am a 22 year old male and have had severe seasonal allergies my whole life. I use to take Allegra D for my allergies, however, after taking it for a while I need to switch my allergy medicene. First, my doctor gave me Singular which worked but I would have very violent dreams, so I stopped taking it. Then I tried some generic that didn't work for me. This past week I bought Zytec over the counter, which does work, but I am back to having very violent dreams, that honestly make me feel like a bad person when I wake up. Mostly these dreams include some type of extreme fighting, but sometimes they exceed that. | M | 22 | 1 weeks | 5/30/2009 | 1 | Seasonal Allergies | Severe mood swings, sadness, anger, rage. | My 9 year old son has very bad seasonal allergies. I have tried everything from Singulair to Benadryl to this medicine. My son is one of the happiest children I have ever met...all of that changed when he began using this. At first it was subtle, but now it is full blown. He is so manic that it actually frightens me. He is very aggressive and violent. He will also cry for no reason. Then apologize for his behavior...and 2 minutes later start all over again. I really think the Zyrtec is causing this because the same thing happened on Singulair. He has stopped taking this and I will see if there is any improvment. | M | 9 | 2 months | 5/28/2009 | 1 | possible allergies, skin issues | extreme behavioral disorder (3 yr old) "possessed" | I have the world's sweetest 3 year old... until we had him on Zyrtec for four days. He woke up last night at midnight with uncontrollable energy. He fought with us, looking at us like he'd never seen us before, thrashing about, crying wildly and screaming. After about an hour, he finally went to sleep. This morning he was an angel again, and the Zyrtec is going in the trash. DON'T BUY OR USE. | M | 3 | 4 days | 5/28/2009 | 3 | Year-round allergies | Hair loss while taking, severe itching when stopped. | I took 10mg Zyrtec religiously every day for close to 10 years. Zyrtec works better than any other med I've taken for my year-round allergies, but at 46 years old I have lost over 75% of my hair. I have been tested for all others reasons for hair loss and come up negative. Never dreamed it was the Zyrtec until changing doctors. Experienced severe itching of palms, feet, and scalp since I stopped taking it, but the hair loss has subsided. FYI, both of my kids have taken Zyrtec, first liquid then pills, seasonally for 8 years with no discernable side effects, but I am flushing it all down the toilet now. | F | 46 | 10 years | 5/26/2009 | 1 | Seasonal allergies | My son became very fussy, woke up crying from naps and sleep, threw tantrums for no reason, started banging his head on hard objects. His speech dropped off and he stopped being his usual happy, affectionate self. | M | 2 | 4 days | 5/26/2009 | 1 | Seasonal alergies | Not very effective at controling my alergies. | I feel so outraged about the weight I gained while taking zyrtec. It has been a hard fought battle to lose what weight I have only to have it undermined unbeknownst to me by this zyrtec. WHY IS THIS NOT LISTED AS A SIDE EFFECT??? I already know why, no one would take it. Nice job McNiel. | F | 36 | 1 months | 5/26/2009 |