ZYRTEC Reviews

Average Rating: 2.0 (1790 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
 
 1  allergies All drugs are poisoness eventually; but most things can be cured with vitamins No problem with vitamin C crystals, can even cure mono (e.g. a teaspoon every few hours until gone); see doctoryourself.com. M 56
1X D
3/17/2012
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 1  Allergies My doctor had prescribed this for me to help with my allergies. Shortly after I developed a hacking cough that I've had for 4 days straight. The cough is making me not want to eat as well and I have a weird taste in my mouth. Never taking this again!!!!! M 30 1 days
20mg 1X D
3/17/2012
 1  all year round allergies extreme exhaustion, bouts of depression, anger, foggy brain i think i have just found what is causing all my issues that i cant otheriwse explain why. i wish id come across here along time ago. i have tried stopping before but my alleries came back with avengence so i find myself loosing it and giving into taking i again. as of today iim going to give it my best shot as i think id rather deal with the itchy runny nose than the fatigue ive been feeling!!! F 32 5 years
10 1X D
3/13/2012
 1  allergies Severe itching of the skin, problems with vision, pressure in eyes, headache and stomach upset. Was having problems with anxiety and anger, was taking other medicines at the time, got off of all of them and just took zytec. I was having rapid heartbeat trouble breathing. Getting off the other meds just showed me that it was zyrtec causing problems. Right now i am trying to get off the medication, i have had severe headaches, muscle pain, trouble breathing, nausea and dry vomiting, could not eat because i was nauseated. The withdrawal symptoms are severe. If you dont need to take this dont, just use it as needed. I am going to look into class action suit against the manufacturer. My doctor cannot figure out why i had problems and got mad at me because is slowly stopped each and every med i was taking to find out which one was causing the problem since he was not educated in side effects of pills. Sometimes you have to make yourself better. I am not crazy or a raging angry person, but zyrtec makes me that way. M 39 1 years
10mg 1X D
3/12/2012
 1  sinus headache/ pressure Very rapid heart rate & palplitations....thought my heart was going to jump out of my chest...& that was while I was laying down watching tv (nothing exciting). And worse, it did nothing for my symptoms! F 39 1 days
10mg
3/11/2012
 2  Indoor/Outdoor allergies Joint pain in elbows and knees, frequency/urgency of urination. Abdominal bloating, right upper abdominal pain,constipation-diarrhea. Fatigue. Weight Gain. Headache/Eye Pain when stopping. Over a year ago I started taking Zyrtec for seasonal allergies in the fall. We had moved and my symptoms increased. Typically after a hard frost I didn't have allergy symptoms anymore, but when I stopped taking Zyrtec for a day, my symptoms returned with a vengeance, I then thought I was having indoor allergy symptoms. So I continued taking the Zyrtec. It has always made me groggy, but that seemed to increase over time. I was also having joint pain, but then again I do work hard. After several months I started to have frequency of urination and symptoms of irritable bowel syndrome, I also gained weight. One day I forgot to take my Zyrtec and allergy (itchy nose/eyes/throat) were worse than ever, but I noticed my stomach felt normal and the joint pain was much less, but I developed a severe headache and itching hands/feet. I haven't taken any today and I am not sure what is worse..taking it or not. F 49 12 months
10MG 1X D
3/10/2012
 1  nasal allergies aggression, violent tendencies, tantrums, severe anxiety We gave my son Zyrtec on and off for a year (age 5-6). At that time, he had exhibited some worrisome behavior--aggression and anxiety. But since we didn't give it to him all of the time (just seasonally), his aggression came and went. We thought it was a behavior issue, and even took him to see a therapist for a few sessions. After my daughter (3 yrs.) had a VERY bad reaction to Zyrtec (night terrors), we took my son off of it completely, thinking maybe it would help with his bedwetting, which it did. Unfortunately, a year later, my son's allergies were so bad that I, without remembering what I had read online, started him back on Zyrtec for his really bad allergies. I was truly just looking for some relief for him. Within a week, he was so violent towards his sister for no reason. He had uncontrollable rage, he told me he was stupid and he wished he was dead. Even his handwriting was illegible during this time! He was able to "control" his symptoms at school, but as soon as he got in the car to come home, the frustration and rage would start. He also experienced severe anxiety about things as simple as going to a new park or going to his basketball games. It took me 5 horrible weeks to put it together this time. Again, we tried a family therapist to help deal with the behavior. Good news is that within 24-48 hours of taking him off of the medicine, he was back! No rage, no hitting or throwing, he's able to resolve conflicts again. I am so grateful t M 7 5 weeks
1 tsp. 1X D
3/9/2012
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 2  seasonal allergies Did not sneeze all day but had bad stomach cramps, diarrhea, general nauseated feeling. I realize it was only 1 pill but I have a pretty strong stomach so not likely that it was something else. I am not willing to chance it again the day after but might again in the future just to prove but I do not like that sick feeling!! M 64 1 days
10mg 1X D
3/7/2012
 2  Cat allergies It helped the allergy symptons, but oh my the side effects!! It effected my mood and interfered with a good night sleep. I couldn't believe how it changed my mood. I'm usually pretty easy going and all I wanted to was fight. Also I have had very little sleep in the last two weeks. Woke up one morning and found a unopened can of pop and bag of candy by the side of my bed. Weird!! Not taking it tommorrow, I'd rather find another home for the cat!! F 52 14 days
10 MG 1X D
2/28/2012
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 1  allergies muscle pain, swelling of hands/feet, itchy skin All side effects disapppered within 48hrs of stopping Zyrtec. F 37 3 months
10 MG 1X D
2/24/2012
 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 D
2/24/2012
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 3  Allergies I have been taking Zyrtec for 10 years or more. It does help my allergies, but I have been having pain in my right side around my gall bladder area. I have seen the doctor repeatedly for this pain. Many tests later, I found this web site. I have stopped the zyrtec 1 week ago and so far the pain is gone. F 45 10 times
10Mg 1X D
2/23/2012
 1  year-round allergies Headaches when it wore off an was time for next dose. Had to stop taking it for a week for allergy testing and found out about the heroin-level withdrawal. Unbelievably severe itching everywhere, and my allergies were NEVER in the form of itches before taking Zyrtec. Blood tests during this withdrawal revealed my liver hormone levels were 8x normal from it, and the itching was from how the withdrawal damages the liver. Took 6 months gradually lowering the dosage with the liquid version for infants to get off of it. Absolutely unbelievable that this is FDA approved, let alone OTC. M 38 2 years
10 1X D
2/21/2012
 1  Allergies/sinus infections My daughter took this medication for allergies - at the advice of our pediatrician. She is an easy, mellow kid. Her behavior changed dramatically - like PMS - moody, prone to quick and sudden anger, anxious. It was extremely worrying. My husband suggested it might be the zyrtec. I thought that was unlikely, because it is so commonly prescribed for children far younger than mine. I finally stopped giving it to her - totally out of desperation. Within 48 hours, she was back to her old self! F 8 10 days
10 mg/day
2/19/2012
 3  Cat Allergies After reading this forum, I am now completely convinced that my fatigue every day is being caused by this medication. I am also finding it hard to lose weight, and also find myself more irritable than usual. I started taking it daily because my boyfriend has 2 cats and whenever I go over to his house, I have a rediculous allergy attack. I will probably just take this medication when i know I will be going to his house and not daily like I usually do. It works but the side effects are not worth it. F 36 7 months
10mg 1X D
2/16/2012
 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 D
2/16/2012
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 1  Allergies When our daughter was around 2 years old, the doctor thought she was having allergies and told us to use children's liquid Zyrtec. She has always been a very laid back, easy going child, but she started having meltdowns at the smallest things, unable to sleep through the night (she would make this odd wailing sound off and on through the night), and was just overall EXTREMELY irritable. In short, she was the total opposite of herself - it turned her into a bit of demon child. At first we chalked it up to beginning the "Terrible 2's", but after a few weeks it finally hit me that it all started about the time she was put on Zyrtec. I Googled it and found similar stories in several places, so immediately stopped giving it to her. The difference was immediate - she slept through the night the very first night after we stopped, and within 48 hours her normal disposition had completely returned. My guess is that majority of the population is not affected by Zyrtec, but for the people who are, it can totally change who you are as a person. Take careful note of your disposition (or your kids' disposition) after you start this drug. F 2 3 weeks
1X D
2/14/2012
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 1  Allergies Was extremely tired all day, regardless of when I took the drug. Althought it helped my allergy symptoms, gave up after a month of total fatigue, weight gain, and irritability. That's when the problems really began. Currently on day four after quitting the drug and withdrawal symptoms of headache and severe nausea so bad I can't sleep or work. And it keeps getting worse not better! F 40 1 months
10
2/4/2012
 2  Seasonal allergies Worked well , however in attempting to ween off during winter months.... Severe itching throughout body.... Today post nasal drip and sneezing w/ no exposure explanation !?! Very concerned; am I to be addicted, why this intense withdrawal. Where is this addressed professionally ? I've read enough here to realize where there's smoke ; there's fire ?!? M 43 2 years
10mg 1X D
1/30/2012
 3  seasonal allergies it seems I can't stop taking Zertec now. Used to only use Sept-Nov every year when allergies kicked in. This year, however, when I try to stop taking my allergy symptoms come in with a vengence after missing one dose. Not sure if this is some kind of rebound or addiction happening. Also a lot of weight gain since Sept. After reading all these comments I feel my suspicions that it is addictive may be true F 49 5 years
1X D
1/22/2012
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