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 |
| 1 | over active histamine response | Anger. Unreasonable, aggressive and uncooperative behavior | My 15y/o son started taking 24 hr Allegra prescribed by his pediatrician for an over active histamine response causing periods of extreme itching especially after showering. He took it for over a year without a problem and it worked well. The pediatrician suggested seeing an allergist who suggested switching to 24 hr Cetirizine, which is generic Zyrtec. My now 16y/o started taking 24 hr Cetirizine in Feb 2015. We saw an unbelievable change in his personality with escalating anger and finally rage. He was frightening, distructive and uncontrollable. After discussion with healthcare providers we discovered the change in his behavior coincided with starting Cetirizine. We stopped the 24 hr Ceterizine and restarted the 24 hr Allegra immediately. Within a day we saw his behavior retuning to baseline, which is typical teen behavior but the without the extreme anger and volitility. We did not tell my son why we were changing the medication but he was in favor of the change because he felt he did not get adequate symptom relief from the 24 hr Cetirizine. Our family is still recovering from our two month ordeal. Stay away from Cetirizine. | M | 16 | 2 months 10mg 1X day | 5/14/2015 | 1 | seaonal allergies | Worked at first my 10 month old son slept better and helped his allergy symptoms but after 1 month terrible nightmares all night long, extremely clingy and very emotional all the time. Fits of rage and bad mood swings.Loss of appetite, irritation of his throat. Stopped taking it and it took 5 days for my son to be normal again. DO NOT USE ZYRTEC IT IS TORTURE FOR YOUR INFANT/TODDLER | It should be taking off the market. | F | 2 months 2 ML/daily | 5/13/2015 | 1 | Hayfever | I have had Hayfever for many Years, most drugs do not seem to work for me, with the exception of this drug, its side effects are severe though, however, from my experiences, I would recommend that it be banned and certainly not sold over the counter, within hours of taking this drug, I become extremely aggressive, with paranoia, I struggle to keep awake, my personality changes, becoming very depressed, the mental side is severe, it also seems to lower my testosterone levels and I become bloated and my blood pressure goes up. I used to think I was suffering from a seasonal mood disorder, but now realise it is this drug, it can cure hayfever in 15 minutes, but the side effects are extremely severe. There should be studies into this drug, particularly around violence, suicides and accidents. Take this under extreme caution and only if you really have no other choice. | Very bad mental side effects, I have never done any drugs or have any other issues, but this drug, makes me psychotic. | M | 47 | 4 weeks 10 1X day | 5/12/2015 | 1 | Runny nose, itchy watery eyes | Good Grief....I took a Zyrtec 8:00pm last night and I couldn't get out of bed this morning for work. If I didn't know better I thought I mistakenly taken an ambien. I woke up like I was drunk or drugged. My equilibrium was off. It's now 9:45am and I can't keep my eyes open. Concentration is off. Nodding off. I still have the runny nose and watery eyes. I will NEVER take this medication again. I'll stick with Claritin or Benedryl. | F | 49 | 1 days 10mg 1X day | 5/4/2015 | 1 | Seasonal allergies | If only I read this before taking this medication! I just googled Zyrtec and bad dreams and immediately I found this page , apparently I'm not just going through stuff in my day to day life ! This medication has put me on a roller coaster ride that I am now getting off! From fatigue ,restlessness ,waking up every hour ,bad dreams ,anxiety, weakness ,crazy dry eyes ,always thirsty ,stomach problems ,mood swings crankiness , short temper, blurred vision, lack of interest in anything ! Back to safe all Benadryl and here I thought that (Benadryl ) drowsiness was bad. Wow how wrong could one be nothing compared to this ! And yet with all the side affects eyes still itchy nose still running sneezing still their why in the heck was I still taking this garbage one only asks themselves! | Beware ! I do not recommend anyone to take this, it will flip your life upside down !thank goodness I only bought the Walmart brand for 13$ | F | 34 | 7 days 10mg 1X day | 5/1/2015 | 1 | Allergies | 9 yr old son took Zyrtec and now it takes up to 2 hours to awake him. When we try to awake him he fights (throws punches and kicks) all while he is still asleep. | M | 9 | 2 days 5 MG | 5/1/2015 | 1 | seasonal allergies | I took Zyrtec for just about two weeks. As each day passed, a new side effect would arrive. The first thing I noticed was very vivid dreams... nothing scary or violent, but I never remembered my dreams before taking this medicine. Next, fatigue, irritability, drowsiness and I felt shaky and weak at times. I felt like I gained weight instantly. I was hungry all day long, to the point where I always carried around something small to eat because I was actually anxious and afraid of passing out. Finally, after about 10 days, severe anxiety and feelings of hopelessness and early signs of depression. I've never been a depressed person, but this medicine made me feel awful. | It's been 36 hours since I've taken my last dose of Zyrtec. I don't feel completely better yet, but definitely better than I did. I usually do my research before I take any medications, and I'm very disappointed in myself for not doing that with Zyrtec. I had no idea a simple OTC allergy medication could make me feel so awful. I've used Allegra in the past and I never had any of these issues. The only reason I switched to Zyrtec was because a doctor at the local walk-in recommended it over Allegra and Claritin. After this experience, I probably won't ever take an allergy medication again. I would rather just deal with the runny nose, itchy eyes and sneezing. I'm hoping this Zyrtec gets out of my system soon. It's an overall terrible product. I would rate it a 0 if that was an option. | M | 22 | 2 weeks 10mg 1X day | 4/27/2015 | 1 | chronic urticaria | I was taking fexofenadine but my consultant recommended citirizine. After only 3 days my feet swelled so much that I could not walk. My skin stretched so tight, became bruised and turned red and purple. My urticaria turned into huge blood spots and the itch became more intense. I cried from the pain in my feet for the 3 days I was on this medication. I stopped using this on day 4. The swelling receded but left severe bruising all over my body. I regret taking it. | Please be careful. This is dangerous medication. | F | 37 | 3 days 30mg | 4/26/2015 | 3 | seasonal allergies | Although Zyrtec works great for seasonal allergies, after about a month of daily use both my husband and myself have experienced swollen joints, especially in our hands and feet. We stop taking Zyrtec and the swollen joints have subsided. | F | 42 | 2 months 10 mg | 4/19/2015 | 3 | Seasonal allergies | It works well for my itchy nose but made my stomach hurt and I have body aches and feel very tired. | F | 53 | 1 days 10 mg | 4/18/2015 | 2 | Seasonal allergies | Really bad stomach pain, almost immediate weight gain | I think Zyrtec slightly alleviated my allergy symptoms, but it's not worth the side effects. How can one gain weight that quickly..!! It also really upset my stomach. Rather take Benadryl gel caps. | F | 40 | 3 days 10mg | 4/8/2015 | 1 | seasonal allergies | body pain dizzines Weight GAIN anger issues | i was a model since the age of 16. i had a horrible allergies that i had to take zyrtec 10mg to treat. i started gaining weight from no where! and zyrtec was the only medication i was taking. and finally i decided to search about this med and i found out that every single negative symptom i had\have is because of this sh** med!!!! never ever taking it again! gained 40lb in 2 years had a serious anger issues | F | 19 | 2 years 10mg | 4/8/2015 | 1 | seasonal allergies | Age & gender are actually my husband's. This drug is ruining our marriage, my sweet, laid back, Godly man has turned into a demonic tyrant. We are so close to losing our marriage over sleeplessness, mood swings, & imaginations of malice. He hasn't been able to quit because the hives are so bad. But he has to quit now or our life will be ruined. He's down to 1/4 pill every other day. Those days are the demon days. The off days are when I get to see my husband again. | M | 34 | 2 years | 3/23/2015 | 3 | seasonal allergies | 1 days 10 mg | 3/17/2015 | 3 | Pet allergies | Totally exhausted like I haven't slept at all when I did - just dragging to get through the day - major brain fog. Body aches from head to toe. My mild mannered husband is also taking it and he has show restlessness, sleeplessness, and extreme irritability over small issues - so no like him at all!! | Bought the generic brand from Wal-Mart. So glad I didn't buy the huge bottle. It did help the stopped up hard to breath issues but it's not worth taking with all the side effects. | F | 47 | 7 days 10 1X day | 3/10/2015 | 1 | allergies | Can't breathe out of my nose at night. Fatigue, vomiting, and extremely craving sweets. Dry mouth and throat. Severley dry eyes | I will never take another zyrtec again and do not recommend for anyone. I am greatful to have found this sight or I would've kept taking it as many others on here have. | M | 38 | 3 days 10mg 1X day | 3/10/2015 | 1 | seasonal allergies and rash | irregular/racing heart beat, dizziness, headache, joint pain, depression, vivid often bad dreams | I wish I would have realized that Zyrtec was causing these side effects sooner. | F | 56 | 3 months 10 1X day | 3/9/2015 | 3 | Allergies | Weight gain, overeating, craving sugar, mild ear infection, dry mouth | I get GI disturbances when I go off this medication, my eyes have been red and dry ever since I stopped taking them. Allegra works better and it doesn't contain any lactose like reaction does. Reactine works better than benadryl for me however I don't like the side effects. Will start taking Allegra again or something natural instead. | F | 28 | 6 months 10 mg | 3/2/2015 | 3 | Allergic rhinitis | 25 lb weight gain, slowly over 5 years- last week I read something about Zyrtec causing weight gain and it finally clicked for me- I've been going mad trying to figure out the cause of this weight, despite eating a very clean/moderate calorie diet and exercising regularly- nothing else changed in my life to cause this. | Zyrtec actually worked extremely well for me- I'm a lifelong sufferer of allergies, allergic to everything, 8 shots/week for years- Zyrtec + Flonase at night gave me my life back. Was able to breathe through my nose again, didn't suffer wheezing/itching all the time, slept so well. But now that I've learned that it may be the cause of my weight gain, I stopped taking it one week ago to see if the weight will drop off. I feel awful- insomnia finally waning, wheezing, stuffy nose, and extreme histamine reactions to foods causing swelling of the tongue and throat- food I ate daily with no reactions whatsoever. If weight doesn't drop I'm going back on it. Either option is awful- fat or miserable. | F | 46 | 5 years 10 1X day | 3/2/2015 | 1 | Allergic Rhinitis | My 9yo boy was advise by his pedia to take Cetirizine for 7 days, 1 tab/day, and since he started it he's having a terrible nightmares, he almost told me he's not happy with his life anymore.. what the ***.. I was terrified and it's not his usual sleeping behavior.. so on his 3rd day I stopped giving him this tablet.. and he had a very nice sleep.. no nightmares.. i tried to give him again on his 4th day.. then he had the nightmare again.. so I believe it is the drug causing him all of these bad dreams and confusion... | BEWARE OF CETIRIZINE be it generic or branded like Zyrtec.. it gives the same worst side effects! | M | 9 | 4 days 10MG 1X day | 2/4/2015 |