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 | Itching due to allergic reaction | Quick to anger, depression, dizziness, weeping jags, paranoia, inability to use correct words, dangerous behaviors | Won't take again! | F | 39 | 7 days 1X day | 3/27/2013 | 1 | allergies | did not stop my sneezing, made me sleepy at first, but that subsided. Now I cannot stop taking it because I start itching, expecially in my palms and feet. It's enough to make me histerical. | I now have itchy skin whereas before I never itched too much, just sneezed. I'm trying to stop, and am on day 3 without it. I itch. | F | 39 | 4 years | 10/29/2004 | 1 | seasonal allergies | incredible fatigue, inability to wake up in the morning, immediate weight gain | seems to work well for allergies, but side effects are dramatic. I was given 2 weeks of samples before getting a prescription filled. was finally able to sleep well at night (was on Allegra-D for 6 months prior and had difficulty sleeping more than 3 hrs at a time). However now i'm sleeping 10-12 hours and groggy and yawning all day long. Physically exhausted, not interested in exercise. In 2 weeks have gained enough weight so my pants no longer fit. I'd hate to see how much I would gain if I stayed on it. | M | 39 | 15 days | 2/9/2007 | 1 | pet allergies | extreme fatigue, fogginess, terrible IBS (diarrhea and stomach pains for the past 2 days), depression, tendency for crying spells | Thank you all for your postings! I now feel I have an answer to my strange "flu" of the past few days - will stop the drug immediately!! | F | 39 | 4 days | 7/3/2007 | 1 | Allergies | I started taking Zyrtec for pressure in my head that I was having. I was afraid to take a whole pill so I took half of a pill for 14 days. I had a doctor visit so I didn't take the pill on the 15th day and by 11 a.m. I almost collapsed I thought my heart was going to stop I went into full-blown tachycardia and it caused very high blood pressure. I did not end up taking it that day and decided I did not want to take it again to see if that was the reason that I felt so awful. So on the 16th day so that would be day 2 of not having Zyrtec in my system I'm very anxious I feel like my stomach is on a roller coaster, horrific anxiety. I feel very dizzy I'm very confused, tremors and the list goes on...this drug is poison!!! | Please do not take this drug it should be off the market. | F | 39 | 14 days 5mg | 11/10/2017 | 1 | allergies | Dizziness, shortness of breath, hives, high anxiety, rapid heartbeat, tremors....just about every side effect listed. | I tried OTC Claritin for allergies, but it didn't help. My doctor gave me a week's supply of Allegra, and it worked great. When that ran out, I tried OTC Zyrtec, with disastrous results. I called 911 after suffering nearly every side effect. I would NOT recommend that anyone take this drug, especially children. | M | 39 | 1 days | 3/22/2008 | 1 | Seasonal allergies | My 4 yr old daughter has experienced many of the same side effects as everyone else. | She was on Zyrtec about 2 years ago for about a year and started having terrible temper tantrums and they escalated over time. You could not reason with her at all and it was like she didn't even hear you (exorcist-like). The smallest thing would set her off. We stopped giving it to her because we didn't really see any benefit. Her mood changed dramatically but we just attributed it to getting out of the terrible twos and threes. We just started giving it to her again about a month ago and the violent behavior came back about a week ago. We never made the connection to Zyrtec until now. The light bulb went off on Tuesday that it might be the problem because her diet hadn't changed and nothing else had really changed. I found this website and was blown away at the postings. I looked at the side effects listed on the pamphlet from the pharmacy and the only thing it says related to behavior is possible change in mental status. I can't believe this medicine is now sold over the co | F | 39 | 30 days | 4/3/2008 | 1 | Itching and severe hives | While zyrtec has done wonders for my hives and itching.. It has not done wonders for my mood.. This medicine turned me into a raging lunatic.. I felt awful.. People should be very aware especially if given to little kids.. I was so sick on this and made me so nasty and made me feel so bad i could have hurt someone.. Just be careful | F | 39 | 1 weeks 10 | 5/6/2016 | 1 | Allergies | I will never take Zyrtec again! Talk about experiencing every crazy emotion you could possibly ever have in just one dose! My allergies have been very bad this season with intense itchy face and eyes, sneezing, couching, congestion, basically what everyone goes thru with Allergies. I dont like taking anykind of medicine at all and will avoid if possible, but I thought I was going to end up ripping my face and eyes out and needed some kind or relief a.s.a.p. Last nite I popped a zyrtec before bed, (Husbands allergy pills) within two hours I awoke right out of sleep and started to feel disoriented like I didnt know if I was really where I was. I then started to feel agitated,angry, upset, fidgety all for no reason. Here I am laying in bed its midnight, Im now wide awake with insomnia and Im feeling like I want to wake my husband up and start yelling at him. I get up and splash my face with cold water, now Im feeling scared and shaky for no reason. I try to lay back down close my eyes and convince myself everything will be okay, Im just overreacting. Out of no where my heart starts beating 240 and Im now convinced that there must be ephedrine in this zyrtec I just took. Im even convinced my Husband knew this zyrtec made you feel this way and let me take it anyway. I get up start pacing and almost thought of going to the Er in case I was having an allergic reaction. I had to try to lay back down cause my heart was beating so fast I thought I was going to pass out if I didnt tr | F | 39 | 1 days 10 mg | 3/9/2014 | 1 | allergies | excessive irritability, loss of concentration, zombie-like state, general stupid feeling, poor memory function, general foggy daze, excessive unrestful sleep - in other words why bother logging 8-9 hours when you wake up and feel like you need to go back to bed. take this and you will feel like a P.O.S all day. Get used to the affects of this drug and become a P.O.S. This drug hammpers quality daily life. I was more alert smoking bongs all day when i was in college. This drug is bad! Look for alternatives. | Something is wrong with this medicine! Everyone I have spoken to agrees or has similar stories. Everyone's comments on this web site are right on with respects to symptoms. The ones who do not have side affects may not realize they are having problems depending on their occupation, daily activities, etc. comments for healthy Zyrtec users: Children generally do not complain about things and dont know what is or should be or feel right. The same is true of individuals who do not know what feeling good or healthy is. | M | 39 | 24 days | 10/1/2008 | 1 | Seasonal allergies | Extreme anxiety, depression, random bouts of crying for no reason, paranoia | F | 39 | 4 days 10 1X day | 9/9/2022 | 5 | zyrtec | HEADACHES FROM HELLLLLLLLLL! | Due to my Angioedema and hives I was put on 10 mg. of Zyrtec...awesome as for completely getting rid of the hives, however slight swelling currently in the upper left cheek. I was also put on Nasonex twice a day. I stopped the Zyrtec 2 days ago until I read these blogs and realized what the issue was. I had to wean myself off of it and did not due to the BAD headache and frustration. I just took half a pill and I am already feeling relief after about 25 minutes. Thank you to everyone for taking the time to write their own personal experiences, it's NOW helped me! GOOD LUCK!!!! | 40 | 2 days | 4/21/2007 | 5 | Seasonal allergies | This has worked great for me. I have started and stopped taking it regularly since starting it three years ago, as the peak allergy seasons come and go. You can't always trust anecdotal reports like this because there are many contributing factors to why people have the conditions and symptoms they do. I have never had itching or any of that when stopping it cold-turkey after allergy season. Don't ask me why. | I've not had any issues. It's worked great for me. I start taking it in the spring and quit taking it after fall each year. | F | 40 | 3 years | 9/29/2007 | 5 | Hives | I didn't realize until today my confusion MUST be associated with taking zyrtec. I'm 40 and thought it a natural process with my family history. | I love this drug. It's done wonders for me. I got hives and was prescribed it and it took them away. I'm weaning myself to taking it once a day, at supper, every 3 days. I did notice I get especially tired at night, but that's ok, it's bedtime! I've been on it for 3 months now, and can't complain about my side effects. | F | 40 | 3 months | 1/30/2007 | 5 | allergic asthma, hay fever, asthma | dry mouth | Zyrtec has made my asthma much easier to deal with, with other medications added, such as singulair and a steroidal QVAR inhaler daily, my allergic asthma is much more controlled. The lung specialist I was seeing wanted to place me on Xolair injections for severe, uncontrolled asthma, when I learned there was a slight chance of anaphylactic shock and cancer in clinical trials, I decided against the injectable. While taking the Zyrtec I am now able to have my 2 dogs in the house and love on them without breaking into hives, as well as eat some foods, which I use to react badly to. | F | 40 | 2 years 10 mg 1X day | 4/24/2012 | 5 | Indoor and Outdoor Allergies | No side effects at 10mg. Higher doses tend to make me sleepy. | This is the best antihistamine for my allergies. I only take it during bad allergy season or if I am cleaning the house (dust allergies). I have tried both name brand and drugstore generics, both work well. | F | 40 | 5 years 10 mg 1X day | 6/9/2012 | 5 | No side effects, only that it takes about an hour and a half to kick in. | I started with an uncontrollable itch all over my body, after taking ZYRTEC, I have been just fine, I only take it when needed. | F | 40 | 1 years 30 MG 1X AN | 9/30/2010 | 4 | severe hayfever | Significant weight gain & rage. My weight gain & rage came on so suddenly & severely that I went to see my doctor. He said I was perimenopausal which made sense but these symptoms all started around the time I started Zyrtec so it seems a little more than coincidental. | My allergies were so bad before zyrtec that right now I'm willing to live with the side effects unless I find something else that won't make me drowsy. I can actually tell when it's time to take the zyrtec because my nose starts pouring & I get what I call "snot induced asthma" because my nose runs so terribly that it flows back into my airway & causes wheezing. I felt like I was choking constantly. Even my coworkers worried about me. Truly impossible to function. I hate the weight gain & anger I have, but now I can go outside & jog because I can breathe & the jogging helps get out some of that rage so I guess it has forced me into a healthier lifestyle. | F | 40 | 6 months 1X day | 8/8/2011 | 4 | nurse practitioner prescribed | After taking Zyrtec for 17 months, initially I took it to help with itchy ears and runny nose, I decided to go without it. I have not taken Zyrtec in over a week now and have been feeling fatigued and been experiencing headaches, plus I came down with a urinary tract infection (I had not had one in years!) I suspect I am suffering withdrawal symptoms and hope the symptoms have peaked and will eventually wear out. I wish I had not been on this drug for so long. I hope things get better for me. | felt fine when I was taking the drug, but feel kind of miserable since I stopped taking it. | F | 40 | 17 months 10 MG 1X day | 6/9/2011 | 4 | Severe allergies | Zyrtec immediately helped my stuffy nose and sneezing. However, I am constantly lethargic. I could fall asleep at any moment during the day, even at stop lights. Also, I never had nightmares before Zyrtec and now I have nightmares every night. I also feel like a zombie and I have moments of depression and anxiety. | F | 40 | 14 days 10 MG 1X day | 12/20/2011 |