ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)

Average Rating: 2.0 (1816 Ratings)

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 ANTIHISTAMINES

 Type: Over-the-counter Drug

  

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.)
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 I recently moved to Texas and have been dealing with allergies for the first time in my life. I took half a zyrtec in the morning 2 days ago and FAINTED later in the day. It was terrifying but luckily someone caught me before I could hit my head on the concrete. I looked on the FDA site and read that 1.6% of users experience fainting as a side effect. F 27 1 days
15mg
10/6/2014
 1  Seasonal allergies Lost in bad thoughts everyday anxiety forgetful no strength depression mood swings pain all over my body no energy they make you go insane mentally physically worse medication ever !!! I will never take this again or my child Should not be sold otc at all F 27 8 months
10 mg
11/18/2019
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 1  Seasonal allergies Tired, lack of energy, weight gain, exhaustion, spacey, jello brain, can't focus, irritable, no motivation, muscle weakness, muscle aches, headaches, nightmare F 27 2 months
1xD night
5/24/2013
 1  pollen allergy high level of irritability!!!!!!!!!!!!!!!!!!!! If I could have given this drug a negative rating I would. About 5 days ago, I started taking OTc Zyrtec-D for my spring allergies. Helped with sneezing during the day, , did nothign for itchy eyes, increased itchiness in throat, did nothing for congestion, and yet I was still left with a drippy nose. Incredibly uncomfortable since I now have blisters forming on my nose from where I've rubbed a tissue all day. Was really irritable this week which has culminated in several arguments with my wife. Not sure if the irritability is a side effect of the medicine or just a result of paying over $1 per pill and still being left with most of my symptoms. FYI, I am writing a complaint to the makers of this drug. Probably won't do any good but it will at least make me feel better. M 27 5 days
3/28/2008
 1  Allergies, Asthma Severe depression, weight gain, anxiety, trouble concentrating, paranoia I am a 27 year old female, I go to school full-time and my asthma and allergies have been particularly bad lately. I do not take drugs other than my asthma medication and have been taking Zyrtec for almost a month, but I am stopping today after reading others who have talked about depression as a side effect. Already I have struggled with mild-depression, but as I have gotten older I have learned to deal with this problem. For the last month I have been a complete emotional wreck, with anxiety, paranoia, problems with concentration and mood-swings. Although this drug is very affective with my allergies, I have also gained weight with no change in diet (vegan, very healthy) and the depression is simply unbearable. Please do not take this drug if you have previously struggled with depression!!! F 27 1 months
11/17/2008
 1  Allergies Anxiety Does anyone know of any class action lawsuits against Pfizer for ZYRTEC? M 27 1 weeks
6/21/2007
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 1  Allergies My 5 year old son, who is very well mannered, became an absolute terror after only two weeks!! He was calm, focused, nice, understanding ... and all of a sudden he's throwing tantrums and we're being called into school daily. Children should not take this medicine under any circumstances!! I'm really mad that no one warned us of these complications!! M 27 14 days
11/1/2006
 1  Hives SEVERE DEPRESSION, severe menstrual problems, anger problems / short fuse, low libido, constant tiredness and feelings of unwellness. DETAILED INFO FOR THOSE WANTING TO QUIT>>>I am absolutely shocked at the state my health was in and the stark contrast to the good health I now have since I stopped taking Zyrtec, particularly my mental health - I just didn't realise how bad it was at the time. I am shocked enough to try and get the word out to warn others who maybe don't realise what taking Zyrtec could be doing to them by writing a detailed description of my experiences (including withdrawal) in a blog: http://zyrtecsideeffects.blogspot.com/ ***NOTE: Please do not mistake the horrific withdrawal symptoms of this drug as being the symptoms that it is 'fixing'. This is a common mistake.*** F 27 18 months
10/4/2008
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 1  allergies I experienced severe cns and disassociative episodes while on zyrtec for 1 month. If you are taking this medication and feel in anyway that your mood or emotional affect has changed, it probably has and is due to zyrtec. Please contact your doctor immediately. M 27 1 months
2/21/2003
 1  Sinus issues Sleepy, moody, mean to others, sore throat, very very very hungry!!!! I am glad to see other had increased hunger. I cannot stop eating!!! I works ok, allegra-d was lots better for me! F 27 1 months
1/20/2005
 5  Allergies None Zyrtc is the best medication I have ever taken. It works as fast as 20 minutes and lasts all day long. I have taken Claritin and Allegra and neither one of them even touch my allergies. You've got to ask your physician about this one. M 28 2 years
4/30/2003
 5  hives none I took 1/2 of a 10mg pill each night. If I missed one day, it was okay, but the 2nd day, I needed it to prevent hives from erupting. Not taking any meds now, b/c doctor and allergist running tests to see if it's something other than allergies. F 28 20 days
5/21/2004
 5  Allergies / Sinus Problems Dry mouth, and sleepiness. ZYRTEC has been a wonder drug for me. Since taking I haven't had any breathing problems, respritory infections, or sinus infections. I have experienced dry mouth and sleepiness, but no less than I ever have with Benadryl. The dry mouth can be pretty wicked at times, I generally take it before bed because it does make me sleepy, but I've actually found it to regulate my sleeping; I can now sleep a full 8 hours instead of my old 4-5 hours a night. When I wake up in the morning the first thing I do is run for a glass of water. M 28 6 months
8/18/2007
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 5  Chronic Sinusitis None I've tried everything. Zyrtec is the only one that makes me feel somewhat normal as far as my daily battle with my sinuses. I haven't ever noticed any side effects, weight gain? Mabye? But I work in an office where we eat poorly so I really dont think the Zyrtec caused any weight gain. TOO expensive and insurance doesnt help us with this medication. We have to go to TJ were we can get 30 pills for about 30 dollars. Perscription in the US costs me about $80 a month! But I need it to breath so we make the drive. If the other allergy medications they're giving you dont work...Give Zyrtec a chance. Its worth trying it to stop the horrible sinus symptoms. F 28 6 years
11/6/2007
 5  Allergies None Worked wonders!! Expensive but well worth it!! F 28 4 weeks
8/9/2006
 5  allergies/hay fever No side effects. F 28 4 years
5
12/23/2012
 5  seasonal allergies I take Zyrtec as needed (not daily). It relieves my itchy eyes, runny nose, sneezing and generalized crappy feelings. F 28 3 years
10mg 1X day
7/21/2011
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 5  Seasonal and pet allergies None Zyrtec has been the only allergy medication that has worked for both seasonal (pollen/dust, etc) and pet allergies. I have never suffered from any side effects from Zyrtec and I love it. I was taking the prescription pill, then the prescription liquid when my insurance no longer covered the pill, then I switched to the OTC Zyrtec when you no longer needed a prescription. They have all worked exactly the same. F 28 10 years
10 MG 1X day
8/16/2010
 5  allergies No side effects. This is the best allergy med I have taken. No side effects and very effective. I had a problem with the generic not working, but the name brand is excellent! F 28 6 months
1/26/2009
 4  Allergy induced asthma I am pregnant so it is hard to know, I have been tired but it could just be pregnancy. I had a cold in June that I could not get over. I had an extreme cough that kept me up all night. Around this time I also became pregnant. Doc. gave me prednisone 1wk and I felt better and also an albuterol inhaler telling me I suddenly had asthma. I was okay for a month but the cough never really left. I still coughed a lot during the day and often needed albuterol before bed (although it made me jittery). I started needing the inhaler 3 times a day. He prescribed prednisone for 1wk and daily use of Flovent Diskus. I was feeling pretty good and did not need albuterol. After 2wk sample ran out I went to pharmacy and found it was $96/mo. after insurance. I looked up alternatives and found it was category C risk during pregnancy (more experimental than most drugs). Went to my OBGYN and he suggested Zyrtec (only cat. B). I have been on it almost a month and have only used my albuterol once (when I had taken my dose late). I do get a little congestion in the morning which is normal for me and common for pregnant women. I have a productive cough and it is gone before I'm up and about for the day. I am sleeping much better at night and am overall much better off, although Flovent worked too, I feel better about the lower risk. F 28 1 months
10mgy 1X day
10/19/2010
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