ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)

Average Rating: 2.0 (1816 Ratings)

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 ANTIHISTAMINES

 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
 
 3  Allergies flush red cheeks, hives all over trunk of body Frustrated that I cannot find side effects on their website or on the bottle!!!! M 2 2 days
1/2 tsp 1X day
7/25/2010
 5  allergies None Stops my allergies, but over years I have to take more Zyrtec pills to make the same allergies to go away.... F 46 14 years
10mg 2X day
7/23/2010
Email
 2  allergies I gave this to my 7 year old daughter instead of Claritin and we couldn't figure out why all of a sudden she would cry at the drop of a hat, act VERY angry and say "she just wishes she were happier" After stopping this a week later we noticed drastic improvement and she was back to herself. F 32 9 days
1X day
7/23/2010
 1  Allergies NOT TAKING ZYRTEC: Hives rashes extreme itching all over the body. Inflammations, agitation. Upon trying to stop taking the "wonder drug" that is Zyrtec, I experienced extensive itching, rashes/ hives, and generally am pissed off and would like to see the inventors of Zyrtec tortured with itching powder on their private areas. M 47
1X day
7/19/2010
 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
 1  congestion My daughter,2, started taking the target brand and every day, all day was a fight and tantrum. She started banging her head HARD. She also stopped eating which I thought the tantrums were coming from.I had forgot to give her her med. and I noticed the tantrums stopped, her behavior returned to normal, and she stopped banging her head. Its like night and day.I wouldn't recommend this for any child. Especially if you as a parent don't want to jump off a cliff! NEED TO POST SIDE EFFECTS!!! F 2 2 months
2.5 ml 1X day
6/28/2010
 2  Allergies I am so thankful for this website. I thought I was losing my mind. After taking Zyrtec a couple of weeks ago for seasonal allergies, I thought my "down" mood was a result of other things. I quit for a while and took one last night. When I woke up, I was unusually irritable. Things that shouldn't upset me would throw me into a fury. Usually passive and easy-going, I realized that this medicine transformed me into something I did not like. Not that I'm happy I see others experiencing this, but this website lended some validity to my hunch that Zyrtec was causing it. For the people running this survey, sex is male/female (biological); gender is masculine/feminine (a social trait). M 28 1 days
10mg 1X day
6/23/2010
 1  seasonal allergies depression, lack of concentration in school, panic attacks, fear and anxiety, anger. My 9 yr old son was prescribed Zyrtec by his pediatrician. We noticed an immediate change in his attitude, behavior and grades. He was a very happy, motivated, straight A student. His personality completely changed. We thought his mood and behavior problems were just caused by his age and a new friend. We had no clue about the side effects of this drug until he stopped taking it just to see if his allergies were gone. After stoping the drug. It took about 10 days for the panic attacks to start(multiple times a day). He would just cry and shake and say his head felt funny. After taking him to his doctor, getting lab work done, EEG, EKG, referal to a pediatric psychologist I was told about the effects of this drug in children. I can't believe doctors are not talking to their patients about these severe side effects!!! Take your child off of this drug immediatly!!!!!!! M 9 5 months
10 MG 1X day
6/23/2010
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 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
 3  bad cat allergy Took 24 hrs for my legs to get rid of the edema. I have not taken zyrtec to two days and so far no problems with the cat. I'm trying to see when the cat allegy kicks in so I know about how long I have between when I need to start/stop. F 56
10 1X day
6/16/2010
Patient History
 2  Seasonal Allergies My 4 yr old experienced severe depression (as I call it considering she is 4). She withdrew from her favorite activities, like singing and dancing, stopped eating her favorite foods, would constantly say she felt like crying or she was sad. Did not want to go to school, would wake up ALL night long with nightmares, said her sheets were bumpy, it was crazy and my family was going crazy. She was extremely clingy and weepy, she also would have outbursts of crying or whining for no apparent reason. Took her off the zyrtec and within two weeks, I had my joyful, loving, playful, full of life daughter back. Never taking zyrtec again, especially for extended periods of time for children....NEVER! F 4.5 2 months
5 - 7.5mg 1X day
6/15/2010
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Patient History
 1  seasonal allergies Bought this instead of Claritin which I have taken for years with noe problem. Within hours- stomach ache, bloating, no appetite and my mood changed. Symptoms did not go away. Took Zyrtec for three days and finally connected my gastroparesis with this OTC med. Vivid dreams started first night. Will never take this again. F 56 3 days
10 MG 1X day
6/15/2010
 1  Allergies Drowsiness, lack of concentration,lack of motivation,EXTREMELY INSANE VIVID DREAMS,hearing voices, hallucinations, ANGER, mood swings HAIR LOSS. Last summer i found out that i didnt have a weak immune system, i just had allergies. Since then, I found Claritin did nothing for me and neither did the nose pumps, when i discovered zyrtec it was a different world. Although it cleared up all my allergies i began to notice an unusual amount of vivid dreams, sometimes even voices in my head, definitely nightmares. They would only happen 1-2 days after taking the pill. A lot of the people i talk to on a normal basis believe i've been going through serious mood swings that i never had before. People have told me that they do not see the motivation they used to see prior to taking the medication. i've also experienced hairloss on my face, primarily on my sideburns. M 19 9 months
10mg 1X day
6/14/2010
 1  seasonal allergies Severe stomach pain and bloating. 24 hour dosage did not leave me symptom free during that time period. F 37 2 days
1X day
6/13/2010
 3  Chronic year-round allergies I used to alternate taking this drug with Claritin. For example, I'd take a Claritin one day and the next day a Zyrtec. Then I ran out of Claritin so I started taking Zyrtec daily. Zyrtec dried out my nose so much that it felt plugged up, which was only a minor side effect. However, it made me incredibly drowsy, and I would have to go lie down because I couldn't physically keep my eyes open. The worst side effect I experienced were very disturbing nightmares. I woke up multiple times in the night with these dreams that seemed so real and it was scary. It was not a pleasant experience. I also experienced a good bit of sneezing while taking this drug...so it wasn't that effective. F 22 2 weeks
10mg 1X day
6/10/2010
 1  Allergies anxiety, lack of sleep, depression, anger, lack of motivation I was told to take this by my physician. F 26 4 weeks
5 mg 1X day
6/9/2010
 4  bad allergies mild drowsiness at times; most people I know take it before bed for this reason; I take in in the morning, otherwise I forget; if you go off, you will have intense itching, which makes sense -- you've been taking an antihisamine, which controls allergies -- when you go off, your body has to readjust itself You people are nuts. I only checked these reviews because I have been on Zyrtec for years and if I go off, I am sicker than a dog in a week or two. I am about to go on Astelin spray also, and reviewers bashed it, so I thought I would see what the average person said about Zyrtec. And it was bashed also. It truly is great drug. I use the generic, and because my allergies are so bad certain times of year, I have to supplement with a spray. F 49 3 years
1X day
6/8/2010
 3  allergies Just classic drowsiness and feeling mentally fuzzy - but probably just due to being so drowsy. I could not take this med again unless I had a really severe allergy attack, because, even with 4 cups of tea, I can't tolerate the tiredness. :/ Took this for the spring allergy season - eyes and skin itching like crazy, congestion etc. Zyrtec works fairly well but made me drowsy, even half a pill. Weird positive side effect: reduced hot flashes. F 45 2 days
10 MG 1X day
6/8/2010
 1  Allergy (cypress pollen) Took before going to sleep. Racing/pounding heart 1 minute after taking (and for several hours). Abdominal contractions (for 15-30 mins). Extremely dry mouth. Woke up in the middle of the night with vivid dreams and feeling strange. Second night I only took a 1/2 tablet but just as bad for the heart and sleep disturbance. I then stopped the treatment but the sleep disturbance continued every night for 15-20 days. Two months later I am still regularly waking up at 3 or 4 am (often in a anxious state) a couple of nights a week (maybe once a month before I took the ZYRTEC). I also seem to be having fluctuating blood pressure (rose to 184 / 72 during sleep in a 24 hour test). After what I experienced I cannot understand how this drug is still on the open market. I took a generic made by Arrow (bought in France). M 45 2 days
10 mg 1X day
6/5/2010
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 2  Allergies When I slept on my right side I would dream that Bigfoot or chewbaca was watching me. When I would wake up I'd feel very drowsy and turn to my left side and dream a dinosaur or Godzilla was trying to swipe me with their tail. I would never take this medication. Also had sleep paralysis. M 40 4 days
5 1X day
6/2/2010

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