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 | alergies - sneezing | mood swings from very low to very angry | Reading the reviews, I was relieved to see that it wasn't just me. It cured my alergies, but the mood swings aren't worth it. | M | 36 | 10 days | 9/12/2005 | 1 | allergies | My 2 yr. old son has been taking 1/2 tsp. of children's zyrtec for approx. one year to treat chronic allergies per his pediatricians recommendations. We never experienced any of the symptoms of insomnia, irritability, sleepiness, etc. with him, however, I began taking zyrtec 1 month ago & began experiencing some of these severe side effects. After doing some research & finding this website, I immediately stopped taking the medication & took my son off of it as well. My son has been off zyrtec completely for 4 days & has been experiencing severe withdrawal symptoms (hallucinations, night terrors, emotional meltdowns, etc.) I called his pediatrician who confirmed the symptoms he was experiencing were indeed withdrawals from the zyrtec. She recommended we "wean" him off by reducing the dose by 1/3 every 3-5 days until we completely stop giving it to him. She also indicated it would be 2 weeks after his last dose before he would be completely "adjusted" | DO NOT TAKE!!! | F | 36 | 1 years | 3/13/2009 | 1 | Hayfever | My partner has been taking Zyrtec for 2 months over summer for the last 3 years to treat hayfever and allergies. I have noticed every summer a slow but steady change in his disposition - including aggression, irritability, unusual thoughts and nightmarish, vivid dreams, fatigue, mood swings, bloating, low libido and not being in the present..not happy or unhappy. | For the last 2 monthe I have been wondering where my usually happy and loving partner has gone. I would not recommend this drug to any-one and will be encouraging more natural remedies next summer. | M | 36 | 2 months | 1/28/2009 | 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 | 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 | 1 | Severe allergies | I have been taking zyrtec for 2 years, it has worked well for my allergies. However, the side affects are terrible. I thought something ws wrong with my heart but now I know it was the drug. The withdrawal symtoms are the worst. I feel like I am going to itch myself to death. I feel like a drug addict going through withdraw! | Getting of Zyrtec sucks! The itching will drive you crazy. | F | 36 | 2 years | 8/19/2008 | 1 | Allergies | Thought this medicine was a God send until the second day when I could no longer urinate beyond a dribble at a time. That scared me because I drink up to 11 glasses of water a day. My urethra and bladder have been hurting since I began taking this.I decided to look up the side effects and lo and behold painful urination is a side effect. I took my last pill the night before and today I am up and walking around, I had previously lain in bed for 5 days in agony after the doctor told me there's nothing wrong. I'd also like to know if these urinary problems are reversible? Be VERY careful with this medicine. | F | 36 | 8 days 10mg | 5/15/2014 | 1 | Allergies! Given this by doctor | Heart racing, anxious, feeling uncoordinated, dizzy, feeling "drunk" while walking, shaking, dry mouth. | I don't have enough words for what this medication has done to me. I was standing in church today looking like a drunk (BTW I don't drink). My movement was so slow. I had to hold on to walls the last five days. My coworkers didn't want me driving and I haven't driven in two days. And today, to top it off, I thought my heart was going to race out of my chest. I would have never thought an allergy medicine could cause such issues. I haven't played with my son because I can't do it. I finally spent the whole day doing research. Why is this medicine an OTC when its so dangerous? I thought I was losing it! There are so many people saying what it does wrong to them. I still don't really have the coordination to type this. My mind won't work! But I will never ever take this medication again. | F | 36 | 5 days 10 mg | 2/28/2016 | 1 | Allergies | I'm just realizing that my exhaustion, weight gain, lack of libido, alcohol sensitivity and menstrual duration has all been affected by Zyrtec. I quit 3 days ago and will NEVER go back. The withdrawal symptoms are horrific and this drug should be taken of the market, especially for kids. | I've increased my Vitamin C intake, and that seems to be helping with the symptoms. I do itch, but not uncontrollably. Hopefully the weight it added will come off soon. Do NOT take this!!! | F | 36 | 3 years 10 1X day | 6/13/2016 | 1 | ragweed allergy | intense mood swings, uncontrollable crying spells, inability to focus, depression and despair, feeling hopeless, suicidal thoughts that came out of nowhere | I am appalled that this is sold OTC with the side effects so many people are experiencing. I usually take Allegra but it doesn't cut it for my late-summer ragweed allergy so thought I'd try something stronger. Well I stopped sneezing but just mentally had the week from hell..this totally changed my personality, I do struggle with some anxiety but not depression and honestly can't remember the last time I cried before taking this. I am traumatized that a seemingly “harmless” allergy med can be so destructive. Never taking this again!! | F | 36 | 10 days 10 mg 1X day | 9/10/2021 | 1 | Sinus allergies | Mood swings, weight gain, dry mouth, inability to drink plain water (disgusted by water!), Dragging my feet and feeling EXHAUSTED ALL THE TIME!!! Decreased libido, anxiety. | I started taking this pill on and off for several months at a time and stopping for a few days at a time and going back at it since Jan 2018. I was not suspecting this pill was the root of all of my problems. I gained 40 lbs since 2018 while working out, dieting and I was not able to drop more than 5 lbs and then gaining all back. I thought the problem was my age! When I decided to get off of it, experienced horrible itching all over my body similar to when you drink pre-work out that contains beta-alanine, is not in your skin, is somewhere a little bit more deep inside your skin. Also felt like throwing up, could not fall asleep, my mid section started to shrink within 3 days after stopping! I do not feel like snacking or bloated. I know I'm going to keep pushing through getting off of zyrtec, It is my 6th day, so far CBD oil before going to bed and shower a few times a day with cold water has helped a lot with itchiness. | F | 36 | 100 days 10 mg 1X day | 5/3/2021 | 1 | Hives | I started having sudden allergic reactions, hives that grow and spread into dinner plate size and are multiple. I went to the Dr and took montalusk and Zyrtec. At first I was ok, the hives went away. I stopped montalusk and used zyrtech for 7 months. Still I would get hives here and there. I was thankful for it but it has warped my mind. Depression, anxiety, violent anger, totally a different person, constantly complaining, quit my career and just don't give a shit. It's not worth it I would rather erupt with hives. I am on day two of withdrawal and have a really bad sore throat and my urine stinks from it so bad. This drug is not safe, seriously meth or something might be safer. Now I plan to take a baby Benadryl if I have symptoms. Good luck people | 36 | 8 months 1 | 2/2/2020 | 5 | summer allergies | Drowsiness, dry mouth | No weird problems. For most people, Zyrtec works great. For some people, most of whom have posted on the website, it causes problems. The effects aren't permanent. Try it and see if it works. If it doesn't, don't take it. | M | 37 | 4 weeks | 5/20/2009 | 5 | general allergies (tree pollen) | none | I'm very sensitive to medication, and this one is the only allergy medication I have been able to take that does not make me want to sleep for hours or give me a groggy medicine head. I love this stuff! | F | 37 | 2 years 5 or 10 MG 1X day | 9/7/2012 | 5 | Allergies | drowsy, can't take in the morning, always take at night, really increases effects of alcohol, can't even drink a beer w/o getting drowsy | I have taken this drug for 6 years and it is definitely the best antihistamine, I've ever taken. I have taken Claritin, Clairnex, and Allegra and many more before those and nothing out there works better than Zyrtec. I wish I didn't have to take it every day though. The most I can go without it is 24 hrs once I reach 36 hrs, I feel horrible! Zyrtec has really helped keep my asthma at bay as well. | F | 37 | 6 years | 4/22/2006 | 5 | Dermographism | None | I developed dermographism and was prescribed zyrtec(10mg)and ranitidine(150mg) and both worked like a charm. The dermographism has finally gone after nearly 3 years, but if it wasn't for the Zyrtec, I don't know what I would have done. | M | 37 | 3 years | 1/12/2004 | 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 | 5 | year-long allergies/sinusitis | VERY drowsy when I take it in the morning, so I take it in the early evening, though I'm STILL drowsy the next day, like I could just lay my head down and fall asleep anytime, I have a hard time wanting to get out of bed, feel lazier in general. BIGGIE~ 30 lb weight gain in ONE year, and ALWAYS hungry!! AGGHHH!!!! | For its intended purpose, this is the BEST antihistimine I have ever taken, started on Clartin, progressed to Allegra180, and now Zyrtec 5-10mg/day. It wipes out the itch in my eyes, post nasal drip I thought I would drown in, sinus pain and pressure and, also got rid of a 'big ball of fur' type of feeling in the back of my throat (probably irritation from Post nasal drip..). The weight gain is horrible, after losing 135 pounds and keeping it off for 5 years (before starting Zyrtec), to gain this much weight is VERY troubling to me, I have tried to get off of Zyrtec and wind up with horrible sinus headaches, so maybe some day I can wean slowly off of it.....!! Some day SOON | F | 37 | 1 years | 3/17/2007 | 4 | chronic allergies | tiredness, fatigue, back ache? | F | 37 | 3 years | 4/22/2004 | 4 | Migraines ENT Sx from Mold Exposure | AWFUL WITHDRAWAL SYMPTOMS!!! I have had good E.N.T. symptom relief from 10mg zyrtec. Started taking it when I worked in a VERY moldy building in Florida. I've taken it continually for 2-1/2 years; and, luckily, I have not experienced any depressed mood or low energy, etc. ...But whenever I miss a dose for 36+ hours, I get an awful migraine and terrible nausea. I've run this "experiment" -- intentionally and unintentionally -- about 6 times; and EVERY TIME I have the same withdrawal symptoms. When I take a Zyrtec, I feel better about 3-4 hours later. The withdrawal symptoms are so awful that I have not been able to endure the intense headache and nausea long enough to get through the tunnel. I'm going to ask my Dr. what to do about weaning off of it. I'm not on any other meds, so the withdrawal symptoms are NOT some kind of drug interaction -- it's DEFINITELY ZYRTEC WITHDRAWAL SYNDROME. I've heard of others having the same experience, but it seems to | BAD WITHDRAWAL SYMPTOMS: whenever I miss a dose for 36+ hours, I get an awful migraine and terrible nausea. It's so bad that I have just stayed on Zyrtec because I cannot endure the headache and nausea. Awful!!! | M | 37 | 2.5 years | 12/15/2005 |