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 |
| 5 | palpitations | no side effects except for a little tiredness. | I was having runs of palpitations for 2-4 hours at a time due to a leak in my roof leading to mustiness in my house. We were tested for mold, which I'm allergic to, and that was negative, but there is still mustiness in my home that is triggering this symptom. Benadryl did not take my palpitations away so my MD prescribed Zyrtec. I take 1 per day and have been symptom free since day one of the med. | F | 51 | 4 days | 11/24/2007 | 5 | hives | Drowsiness, fatigue. I don't take zyrtec regulary, but whenever I take this med, I would have to stay home for 24 hours because I am very sleepy, tired and would want to stay in bed. I tried taking only half of the 10mg, but it doesn't work very well. | I only take zyrtec when I have a really bad allergy. | F | 51 | 6 months | 8/21/2006 | 4 | Severe allergies | At 10 mg taken at bedtime this was the most effective antihistamine I ever tried - and I tried many! But the tradeoff was a nasty Benadryl-like hangover upon awakening and until after lunch. I then tried 5 mg at bedtime and could not believe the difference. My allergy symptoms indeed crept back a bit, as in occasional sneezing or itchy eyes, but the improvement in mental state was huge and definitely worth it. I now use some backup treatments when needed, like Nasonex, Nasalcrom, and even butterbur. All those miserable with 10 mg - do yourselves a favor and reduce the dose to see what happens. | M | 51 | 1 years 5 mg 1X day | 4/27/2011 | 2 | Allergies | Extreme sleepiness for 24 hours after taking 1 Zyrtec. | My son, who was 5 at the time, had mood changes - was mean and crabby - when taking zyrtec. | F | 51 | 1 days 10 MG 1X day | 4/22/2011 | 2 | allergies | depression, uncontrolled eating, weight gain, waking up and worrisome obsessive thoughts hampering my ability to go back to sleep, lethargy, ... | Began taking in August of 2007. Immediately began the uncontrolled eating, weight gain (20 pounds and its only December 31, 2007) and lethargy. I have been taking an antidepressant for about 20 years with up and down results and thought I was in another down episode and/or some hormonal change. My doctor thought I needed something to help with concentration and prescribed metadate. I took it for about a month. The lethargy went away but not the excessive eating. So I stopped taking the metadate. I saw my doctor again and he suggested using a mantra at night to help with the obsessive thoughts. Sorry, no dice. I stopped taking vitamins the other day in hopes that would help with the excessive eating. I also decided to stop the zyrtec. Today is day 2. This morning I recalled reading something about certain sinus meds causing depression and I immediately went to the internet and googled "zyrtec and depression." WHAT A RELIEF IT WAS TO READ THE COMMENTS ON THIS SITE! Th | F | 51 | 4 months | 12/31/2007 | 2 | seasonal allergies | tired upon waking and feeling groggy all day - not my self no energy, not able to focus and feeling unmotivated | helped with sneezing, runny nose, etc but NOT worth feeling horrible all the time | F | 51 | 7 days | 4/18/2006 | 2 | Excema, itching, reddness on face | Weird nightmares that seemed very real and hard to wake up from. | F | 51 | 3 days | 1/25/2009 | 2 | Chronic Sinusitis | My stool because hard and it definitely affected my mood, making me feel doom and gloom. | It seemed to help my symptoms, which are really bad, but would rather deal with them than the mental affects of this medication. | M | 51 | 9 days 10 mg 1X day | 9/15/2023 | 1 | Allergies histamine problems | Anxiety mood swings low moods nightmares fatigue | I've been so unwell for the past few days thought it was my HRT or weaning slowly off my valium I've been suffering with low moods fever feeling tired anxiety is higher than normal blurry vision now after reading all the bad reviews I now know what is causing all my problems never again will I use this prouduct | F | 51 | 20 days 10mg 1X day | 7/15/2021 | 1 | Allergies | Malaise, exhaustion, confuses dreams, depression | Symptoms are listed at < 2% of population taking the medication. Am I just that lucky? | M | 51 | 1 months | 4/24/2008 | 1 | allergies | With in two days of use I was very testy, disinterested in my relationship with my wife, on edge, and full of anxiety. The smallest things set me off. I had difficulty sleeping with horrific violent dreams. I quit taking ZYRTEC and within 3 days I was my old self. | M | 51 | 4 days | 3/31/2009 | 1 | Allergies | Doctor sais this will really help you. Ummm, NO! Felt like I was high! | Took this stuff before bed. Woke up and could barely get out of my bed. Felt completely out of it like I was floating. Sat on the couch and my partner asked if I was okay. I yelled at him! That is so not me... It took almost all day for me to get off the couch. It has been 15 hours since I took this and it is just now barely starting to wear off. Be very careful if you decide to take this stuff, I guarantee you I never will again, it's not worth it. | M | 51 | 1 days 10mg 1X day | 10/26/2014 | 1 | Dr. recommended for sinus problems | change in mood, sleepyness | I took this drug at 6 in the evening and I had a hard time waking up in the morning. I also was yelling a lot at people, to me I seemed to be extremely angry. I took Zytec for 2 days, when it was time for my next dose I did not take it. Within 24 hours my mood was back to normal. I felt like I had been possessed. | F | 51 | 2 days | 3/28/2008 | 1 | Allergies | Worked ok for allergies but get excruciating itching when try to stop (most definitely NOT a return of allergies as I never had itching). Found a step down withdrawal method on another website and has been working until now. Currently down to 2.5/mg daily and when I took the next step down of alternating one day on / one day off the itching started again! So will try 2.5/1.25 and then step down again from there. Cutting the pills is a hassle but getting the itching is even worse! | I never would've started this drug if I knew how terrible the withdrawal could be. Doctors and the FDA should warn people about this! | F | 51 | 10 years 10MG 1X day | 2/17/2010 | 1 | sinus and allergies | I was exhausted, spacy feeling, depressed, sad and moody (not like me at all). My short term memory was non existent. I was really concerned. I ate constantly, even when I knew I couldn't be hungry. I felt bloated and heavy. My whole body hurt. I thought it was from all the sugar and junk food I was inhaling. | I ran out of my prescription a few days ago, since then I have felt nauseated and having a constant headache. I thought I was coming down with some bug. My stomach has also felt like it was in knots and I am having diarrea. I felt so bad, I didn't want to get out to go refill my prescription. Something in my spirit prompted me to google zyrtec. Thank God for this website. I am relieved to know that I'm not losing my mind! I will not be taking zyrtec ever again. | F | 51 | 30 days | 11/21/2006 | 1 | Allergies | Zyrtec has made me irritable, tired and nervous. | I can't function. Stopping this drug immediately! | F | 51 | 2 days 1X day | 10/3/2012 | 1 | Allergy to dust and mold | I'm generally a very calm person but by my 3rd dose of Zyrtec, I became a raging lunatic. I have never in my life felt so angry. I had absolutely no control over my emotions. It got so bad- I had to leave my home and stay in a hotel overnight because I didn't trust myself for fear I would hurt someone. My husband of 20 years was blown away by the effect ths medication had on me since I am the calm voice of reason in our family. The intense emotional reaction lasted about 18 hours. For the next 2 days, I felt as though my brain was "bruised" with a dull pain on the right side. It took 4 days to completely recover. | The FDA should investigate the complaints and undertake a complete benefit risk analysis. There are so many alternative allergy medications available, if indeed many others are experiencing the same adverse reaction (rage) the drug should be pulled from the market. | F | 51 | 3 days 10 mg 1X day | 6/25/2012 | 1 | seasonal and cat allergies | Vertigo, ringing in ears, sweats, hand and leg tremors, vision problems, heat palpitations. | I have taken Zyrtec for years, not sure if they changed it recently or if I just built up a reaction to the product. It worked very well for years then I started noticing, vertigo, hand/leg tremors. It recently has escalated to the point I needed a brain MRI to rule out major issues. I decided to go off all meds and see what happens. The first week was HORRIBLE.. withdrawals were hives, headaches and the worst allergies I have ever had in my life. But the ringing in my ears and other symptoms started to diminish. I got desperate last night and took a Clariton, I had night sweats, my ears felt like they were going to explode, my heart was beating so hard I had to get up and try to calm myself. Felt like I was having a heart attack. I will never take either drug again. Although not sure what I will take in replacement. Right now my eyes are swollen almost shut, I can't really breathe and I fell like crap. At least I am not killing my self with Zyrtec or Clariton. | F | 51 | 5 years 10 1X day | 2/16/2012 | 1 | Allergies | I had been taking prescription Zyrtec for a couple years. I stopped. I recently took OTC Zyrtec a few times, one time here, one time there... And I get into a terribly bad and near rage-like mood whenever I take the OTC Zyrtec. I have discarded them and will never take them again. They also stopped helping my allergies. Something's changed from when I had the prescription and with the OTC now. | F | 51 | 2 years 10 mg 1X day | 2/24/2012 | 5 | nasal allergies | I've taken Zyrtec for years with great results and have experienced no side effects. | Some of these postings are probably right for some people, but some of them are "out there". | F | 52 | 3 years | 11/12/2009 |