ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)

Average Rating: 2.0 (1815 Ratings)

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 Type: Over-the-counter Drug

  

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Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)

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RATING  REASONSIDE EFFECTS FOR ZYRTECCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 5  Severe, Year-Round Allergies none Zyrtec is the only allergy drug that has worked for me. Claritin and Allegra do nothing to relieve my itchy throat, eyes, and nose. There are warnings of drowsiness, but I have not experienced this, nor any other side effects related to taking this medicine. My major allergies are every type of grass, oak and pine pollen, seasonal weeds, cats, shedding dogs, dust...you name it, I'm probably allergic to it. March and April are the absolute worst months for my allergies, and Zyrtec helps to minimize my torment, though, during these months, Zyrtec cannot completely eliminate my symptoms. M 26 5 years
10 mg 1X day
4/6/2010
 5  allergies none so far it works great M 49 5 days
10 mg 1X day
4/16/2010
 5  Allergies None. Ever. In 10+ years of taking the medicine, from brand name to generic Kirkland and Equate versions when it came off-patent. You people are nuts. Part of the human experience explains many of the "symptoms" that are being stated here. We all have our up and down days, but guaranteed if you kept a log of what happened and when in relation to your taking medicine (of course over a relatively long period of time), you'd unlikely find any trend suggesting that the drug creates these symptoms. I still get headaches when there are large atmospheric pressure changes, and get a little bit of a runny nose in the winter. Zyrtec helps me day to day, but in the heaviest of allergens (or even unknown events) benadryl or sudafed are the way to go. There are no panaceas for any disease. I know you all believe that the big corporations are lying to you as part of some crazy mind-control scheme, but perhaps you should take a venture into reading the literature on the drug. Just google "uspi_zyrtec.pdf" for the data sheet. The data sheet states "Most adverse reactions reported during therapy with ZYRTEC were mild or moderate. In placebo-controlled trials, the incidence of discontinuations due to adverse reactions in patients receiving ZYRTEC 5 or 10 mg was not significantly different from placebo (2.9% vs. 2.4%, respectively)." That means that there were NO patients in all 6000 patients who felt uncomfortable or experienced uncomfortable enough symptoms to stop treatment that could have been explained by more than random chance. M 25 10 years
10mg 1X day
5/24/2010
 5  Apparent allergies I had no side effects at all from this drug. Sure if I sat still and did nothing I would get drowsy. I would take this medicine at approx. 1-2 pm each day. (after already being awake for 5-7 hours. So I think it was just mid day drowsiness. This stuff worked great compared to how i was suffering before taking it(cold like symptoms). One reviewer complained of suicidal thoughts, another said irratibility and bad/weird dreams? Sounds to me like you folks were taking Chantix or some other drug to help quit smoking since those are definitely side effects listed on Chantix/Zyban sheets. I should add I began the attempt to quit smoking about the same time my "allergies" manifested themselves, so maybe the two were related. I havent had allergies since I was a little kid. I stopped taking the Zyrtec about two days ago and have not noticed any change in anyway so far as allergy symptoms coming back. Im thinking it was just a fluke as I was cleansing my body from 20+yrs of smoking. guess I will see in the coming week or so as the Zyrtec leaves my sytem. M 38 45 days
10mg 1X day
5/31/2010
 5  allergies dry mouth Every day for the past 9 or so years. Absolutely zero complaints. M 15 9 years
10 MG 1X day
1/17/2018
Email
 5  seasonal allergies None I'm posting to counter many of the negative comments which can be attributed to other factors, and to counter the the self-selection bias. Sure I've had dizziness, problems falling asleep, and hair loss, but all of these occurred long before I started taking Zyrtec! In the interest of full disclosure though, I only take enough to counter 95% of my symptoms so I'm not "flying blind" and risking overdosing. M 33 1 years
2.5 to 5mg 1X day
6/21/2010
 5  ADHD During the time of my journey through life, I had noticed that every time I played video games I would only go for body shots, but after taking Zyrtec, all I would want to get were HEAD SHOTS. I felt extremely angered by normal everyday noobs. After I started taking Zyrtec I wanted to PWN them like they have never been Pwned before, and I still have ADHD!!? whats up wit dat? Head Explosions Public Urination Every time I get a gun in my hand, it automatically points to someone's head. Uncontrollable peanut butter texture of my stool Speaking Ebonics Black Rage The plague Zyrtec gave me AIDS. M 12 20 days
10mg 2X day
6/30/2010
 5  Allergies Some drowsiness as mild "hangover" in the morning on full 10 mg dose. I was on Claritin & Nasalcrom for awhile and found them to be only fair in controlling my often nasty allergies. Went to an allergist, had standard arm pin-prick test done which only confirmed what I already knew about my sensitivities, and was given Zyrtec 10 and Nasonex, both for daily use. It was an unbelievable improvement. Only issue was next day drowsiness, which I've nearly eliminated by taking 7.5 instead of 10 mg (tricky cutting the tablets though; and, 5 mg was not quite enough) and doing so 2 hours before bed rather than right at bedtime. Unexpected benefit was a reduction in some social anxiety I've had off and on for years, which I believe is due to a residual anxiolytic effect of Zyrtec/cetirizine as an Atarax/hydroxyzine metabolite - can't find substantiation for this anywhere but I don't think it's my imagination! M 50 14 days
7.5 mg 1X day
7/28/2010
 5  seaonal allergies, digestive issues Was told to have my son take it at night, just in case it made him drowsy, but we didn't notice any increase in drowsiness. Zyrtec was wonderful for our son. He went from having 2+ weeks of unbelievably runny noses every time he caught a cold, to just normal symptoms of a few days. He also felt a great lift to the almost constant depression he had been feeling, and it cleared up the gastro issues he had been having as well. We took him off Zyrtec and put him on Claritin and it just didn't do the job. I see a lot of negatives on here about Zyrtec, but for our son, it made such a positive difference in his life. M 16 4 years
10 mg 1X day
11/18/2010
 5  hives Not sure I actually have any side effects, after reading all the side effects that some of these people had does make me wonder. I have never been depressed, anxious, or anything else that these bloggers are posting...bout the only thing I can relate to is the night sweating... After 6 months of dealing with hives, My wife suggested I go to the doctor. He prescribed Zyrtec. It was the best thing that has ever happened to me. My only concern is that I have been on it for so long that if I do come off of it I may experience a huge withdrawl issue. So I may attempt this soon and see what happens. If my hives come back then I will most likely stay on it until I; well either find something better or when the good Lord takes me ...then I wont have to worry about anything, it'll be all good then M 46 13 years
10MG 1X day
8/5/2011
 5  allergy no major side effect but i often drink beer when taking it and if i have beer or wine i get some of the strangest dreams they're always fun but wow there weird. stuff works great M 27 40 days
30mg 1X day
9/28/2011
Email
 5  Mild Allergies No side effects Works perfectly, no drowsiness or other problems M 58 3 years
10mg 1X day
2/18/2013
Email
 5  hives I started developing hives about 7 years ago for no reason. my doc did all these test and I was fine. I even changed everything in my house that I was using to see maybe I developed an allergy to something. no immune problems either. I tried a couple of different meds and nothing worked. my hives were severe. They would start around my joints move to my hands and feet and wrist, then move to the rest of my body, even in my throat, my face and me eyes would itch. It was the worst feeling. zyrtec is the only thing that surpressed it. I take it every 3 days for the past 7 yrs.It literally saved my life. I take the generic brand of zyrtec because its a whole lot cheaper and works just as good. M 32 7 years
8/16/2006
 5  headaches allergic rhinitis none whatsoever! Had chronic headaches for years. zyrtec has helped immensely, but and i am amazed by reading all of the side effects you have mentioned. i have none. zero. zilch. except of course, my head doesnt hurt. M 3 months
9/19/2006
 5  Allergies and skin rash None The first day I started taking this once a day (10mg) I felt like a million bucks and had tried Claritin and other pills/liquids. Now I can be around fur for up to 10 hours where as before with the other drugs I would break out within 2 hours. M 29 6 months
12/22/2005
 5  Itchy skin Somewhat tired but if it stops the prickly skin itchy, I can live with it. I started itching about 6 months ago all of a sudden, thought it was the detergent or soap. My doctor gave me zyrtec and the itching stopped within a hour. I have to take it three times a week to get relief. Without it the itching drives me crazy. Anyone else suffer from itchy skin for no apparent reason? M 39 6 days
11/17/2005
 5  hives and severe itching LISTEN AND LISTEN GOOD......I PUT DOWN 5 JUST TO GET TO THE TOP SO YOU ALL CAN READ. THERE IS DEFINITELY A PROBLEM IN MY OPINION WITH SIDE EFFECTS WITH ZRYTEC. NOT ONLY DID SHARING ON THIS WEB SITE SUPPORT ME AND HELP ME, IT FINALLY BROUGHT ME MY QUALITY OF LIFE BACK.....PLEASE TRUST ME....I SUFFERED SEVERE HIVES AND ITCHING 15 MONTHS AGO AND WAS PUT ON ZYRTEC....YES IT HELPED ....BUT AT A HUGE PRICE......HEADACHES,PANIC ATTACKS,BREATHING PROBLEMS,CONFUSION,FOGGINESS,IRRITABILITY, ANGER,LOSS OF LIBIDO,UNAPPROACHABLE,DEPPRESSION,LARTHARGIC,SAD, AND......AND.....WHEN YOU TRY TO GET OFF THIS DRUG?....YOU GET SO ITCHY THAT YOU WANT TO CRY,TOTALLY UNBEARABLE, HIVES APPEAR WORSE THAN THE ONES YOU WERE TREATED FOR SO WHAT TO YOU DO?.....TAKE MORE ZRYTEC BECAUSE IT WILL RELIEVE YOU...BUT THIS IS A CYCLE THAT GOES ON WITHOUT FIXING THE PROBLEM......AND......WILL CAUSE NEW PROBLEMS THAT WILL CHANGE YOUR DAY TO DAY LIVING....PLEASE BELIEVE ME...DOCTORS, PHARMACISTS AND OF COURSE PFIZER WILL NO STOP TAKING THIS DRUG NOW!!!!! M 48 15 months
1/5/2007
 5  general hay fever Dry Eyes and Nostrils. Minimal side effects with a 5 mg dose. Significantly greater effects with the normal 10 mg dose. I only use Zyrtec on an as needed basis about once per week most of the year and two to four times per week during the spring pollen season. A 5 mg dose works great for controlling my allergy symptoms. Both my doctor and pharmacist said it was okay to cut the 10 mg tablets in half, so, I am using a pill cutter to do that. M 62 5 years
8/25/2006
 5  Seasonal Rhinitis None Only thing that works for my allergies anymore. Wish that the FAA would approve it for pilots so I can take it to work with me! M 30 2 years
2/19/2006
 5  severe chronic hives I was asked by a doctor to take 10mg in am and 10mg in pm. As far as I know I had no side effects. I am currently looking into racing heart, however I believe mixing herbs with the zyrtec may have caused the problem with the racing heartbeat. Doctor recommends me to stop all herbs and zyrtec. At first it did not work for me. It took several months to really kick in, weird I know. I was taking 2 per day at first. After a few years I found I could get by with 1 per day. Now I have been off for 72 hours and so far so good. I still have to give God the credit for healing me. M 55 6 years
5/4/2006

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