ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)

Average Rating: 2.0 (1820 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  Seasonal Allergies I took Zyrtec for 2 months and I started experiencing knee pain. I stopped it and the pain was coming down. After a week I had to take it again and the pain increased. Now, I am completely off of it and have no pain at all. F 30 60 days
7/10/2009
 1  Severe Allergies Moody, irritable, over sleep, seeing spots occasionally, light sensitivity, weird dreams, anxious, feel shakey inside.... Well after taking Zyrtec for over 3 years at night for severe allergies, I have been expereinceing too much with his drug to take any longer so I decided to stop 3 days ago only to find myslef today in a horrible state, with flu like symptoms, I feel like a Zombie and not myself, I don't know what to do I don't want to get back on that dreaded stuff, It worked very well to control my dizziness due to my allergies but now I just am a mess cause of this drug. I called Pfizer only to find out that they sold this drug in 06 to Johnson & Johnson, after speeking to an agent I was told that you are not suppoosed to take this pill for more then 10 days, that was news to me so I asked him why he told me because its habit forming, so I 'm going through withdrawls I guess, I asked him how long this should last he couldn't answer that told me to contact my PCP, ended the conversation and ended up calling back and spoke to a different agen that told me it was basically in my head and that they have never had anyone call or complain about this drug, I made reference to all the research I have done on it and they still stated no issues with this medicine. So to make a long story short I guess I'm going through withdrawls...Has anyone else had any issues like this or has anyone called to report side effects? I also was getting migraines, not sure if its related but it would come with the irritability I was having....I never had so many issues until now! Please help me out, your input mig F 31 3 years
7/8/2009
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 2  Allergies I lost my sense of smell and taste. Works on the allergies, but I can't smell or taste anything anymore. F 40 3 weeks
7/6/2009
 2  Severe Allergies Dizziness, seeing spots, irritable, moody, no ambition, in a fog I started taking Zyrtec (1/2) at night before bed and did fine, I started to feel as it wasn't helping anymore cause I started feeling like crap so I took 10mg and did fine, then I started back again but feeling worse and noticing I was getting Migraines a lot more, I would roll over in the mornings feeling good only to flip the switch and be in a bad mood that quick! I have such severe allergies I don't know what to take anymore! But now that I have stopped the Zyrtec it almost like I'm going through withdrawl because I don't sleep well at night and I'm sick to my stomach, and feel like I can't concentrate. The last time I stopped I had to start back on it again cause I thought I was losing my mind! This medicine was wonderful at first but then you become dependent on it. Now I get Migraines! M 31 4 years
7/6/2009
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 2  Allergies Depression I began noticing that I was unusually troubled about life's typical issues. I felt that nothing in my life was good and there was no hope for anything in my life. Everything was gloom and doom. I had been taking zyrtec for about two weeks so I decided to stop for a couple of days to see if it helped. It did! I am so glad to not feel that way anymore. It did help my allergies so it is unfortunate that I can't take it! F 36 2 weeks
7/6/2009
 4  allergies allergy relief, intense nightmares, hallucinating in heat For a person who has allergies so bad I can't get out of bed during the spring/fall/when someone mows the grass, Zyrtec was a great solution. I take it when I need it during the day, but I made the mistake of taking it before my outdoor college graduation and passed out in the middle of the ceremony, so Zyrtec + heat = a no-no. Also I take it when I get up, but not before I go to sleep. If I take it before bed, I have INTENSE disturbing nightmares involving graphic and detailed dismemberment and murders of small children and family friends, the likes of which I've never seen before. I wish I could take it at night, but other than that I love it. F 21 2 years
6/26/2009
 3  Year round allergies Unexplained drowsiness, need for caffeine, unfocused, dispirited, easily prone to confrontations with loved ones, bouts of depression I started back as a cashier with a grocery store about 2 1/2 months ago- everything has been great but one of the things we are measured on is how quickly you ring the customers through your line. I was at the bottom of the heap since the start. Just this week I STOPPED taking zyrtec and instantly I have jumped to being the middle of the pack, on my way to being way above average. And drinking LESS caffeine at work also. Yes, it had to be the zyrtec, thank goodness I figured that out! M 47 6 months
6/26/2009
 1  Allergies Severe mood swings, anxiety, sleeping more but never feeling rested,apathy, depression, no desire to do anything, excessive gas (bloating/flatulence), increased appetite, weight gain. I just began having allergies last year. I was taking Sudafed or Advil Sinus(as needed) but still having sinus/allergy problems. Doctor suggested I try Zyrtec - taken on a daily basis. It worked GREAT for my allergies. Unfortunately, it began to be terrible for my outlook on life. I didn't know what was happening to me. I have stopped taking this medication. Within two days of not taking this stuff, the depression, apathy, gas and increased appetite I was experiencing disappeared. I have energy again. It feels like I have crawled out of a dark pit. I didn't even realize how bad the depression was. It's been five days without this medicine now. I've had mild nausea, dizziness and insomnia but all are fading with each day. The weird thing was the itching that began on day three. I have never had hives or itching before. This is not a symptom of my allergies returning for me...this is a withdrawal. I will NEVER TAKE THIS MEDICINE AGAIN! I'll deal with my allergies some other way. F 48 60 days
6/23/2009
 1  hayfever Highly oppositional attitude, suicidal thoughts for the first time in my life, rapid-onset tinnitus Behavioral changes took effect within an hour of a single dose. I tried dumping my partner of three years for "always trying to pick fights". I gave up my ipod and stopped listening to music in the car thinking I was blowing my eardrums out--Turns out it was zyrtec. I did not take a dose every day but cycled on and off over the course of five months in response to seasonal pollen. At the time I was taking the drug I had a 200mg/day caffeine habit going on. I'm unsure how they interact as I quit Zyrtec before I quit caffeine. M 34 5 months
6/23/2009
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 1  allergies Have had no problems with zyrtec 5mg but have noticed the 10mg/24 hour dose gives me a horrible headache. Just wondering if anyone else has noticed that 5mg works fine but the 10mg dose causes problems. It's just like the medical industry to have the view that if one dose works well twice as much is even better! Maybe some of the folks here who've had problems would try 5mg instead of the 10mg they'd be happy with the results. F 41
6/21/2009
 2  Cold-like symptoms Cottonmouth, dehydration I took a single dose in the evening, and kept waking up every couple hours during the night with a mouth like a desert. It was like it turned off my salivary glands or something. It may work for you, but this was a problem for me. F 23 1 days
6/18/2009
 1  Cat allergy Extreme dizzy/spaced-out feeling, fatigued but unable to sleep, irritability, trouble focusing I've taken Zyrtec occasionally over the past few years, but I recently got a kitten which has made my allergies act up, so I have taken Zyrtec everyday for the past 3 weeks. Throughout this time, I've felt OK, a little tired/spaced out, unable to stay asleep, but I attributed all of that to lack of sleep. However, I didn't take the med for about 3 days, and felt fine. Then, I started it up again, and ever since, I have had the terrible symptoms I described. I feel like my state of consciousness is totally altered. I'm completely spaced-out. You know feeling when you stand up to quickly after lying down? I'm experiencing that same feeling constantly for 3 days now. Yesterday I stopped taking the Zyrtec, and hopefully I will have my brain back. F 21 14 days
6/18/2009
 1  Allergies My 6 year old son changed into a completely different little boy. His allergies cleared up but he showed signs of aggression,anger,and sadness. Once I found out his behavior at school had drastically changed I was determined to figure out the cause. Then I realized it all began when he started on Zyrtec. I am so thankful for this site because I realized my son wasn't the only one experiencing these side effects. Now he is back on Claritin which isn't as effective as Zyrtec in clearing up his allergies, but I don't have to worry about crazy side effects. If you plan on giving your child Zyrtec, please keep a close eye on them for any changes. M 6 20 days
6/15/2009
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 5  Various allergies None I am happy using this drug. With other antihistamines I have experienced side effects, but Zyrtec works fine for me and relieves symptoms relating to food and air born allergies. M 47 3 years
6/14/2009
 2  Severe Allergies Didn't want to wake up in the morning, drained all day till about evening time, moody, depressed, hair falling out, I stopped taking Zyrtec and now I can't sleep through out the night, and I find myself anxious F 31 2 days
6/14/2009
 2  allergies okay this is really weird but i had been taking zyrtec for about a week and it helped my allergies but i noticed when i stopped taking it about 10 days ago i got really bad anxiety, heart racing, emotional, trouble breaathing, chills i dont know if this has anything to do with not taking after i had been on it for a week but these might be bad side effects im not sure yet but it is very scary so im going to the doctor about it in a few days but if this has happend to anyone else please comment back. F 16 7 days
6/13/2009
 1  allergy control and sleep aid Was suggested I try a similar product after taking one benadryl a night for about 2 years. It was suggested to help aid skin irritation and sinus.Benadryl left me feeling a little groggy but workable. I took one 10mg Zyrtec at night. I was frustrated it didn't help all that much, I was surprised I felt more groggy for what I was told is not as strong of a medicine as benadryl. I didn't connect things until I decided to stop taking it about a week ago. I had become noticeably more sad and I was gaining weight and no longer up to working out. I was shocked I noticed the sadness went away that had been building and I dropped a pound, water weight likely almost immediately. I didn't connect any of this then and suddenly realized it had to be the Zyrtec, only new thing I had added to my system. I got online and saw many have had similar reactions. Thank goodness people have written about their experiences. I do NOT recommend Zyrtec. Not for sleep and nor for allergies which at lea I did not connect the itchiness until I read others comments! Thank you for sharing,I was frustrated with why my skin was itching even worse than before the Zyrtec! And I had only been taking it maybe 6 months! F 48 6 months
6/13/2009
 1  Allergies I got very dry skin and a red scaling rash on my elbows. It made me so tired I couldn't concentrate at all and could barely keep my eyes open, yet I could not sleep. Started to get asthma again, also. I have a lot of allergies and have been going through various treatments for a long time. Zyrtec was pretty good at masking my sinus problems. But I was so wiped out by it, I think its worse than Benadryl. And my problems came back right away when I went off it. Which isn't always the case with Benadryl. I'm sensitive to drugs. The positive side of Benadryl, if there is one, is you can by the 4-hour caplets and break them in half. Then you take it at night and it wears off by the next day. I dislike any time-release drug because of the potential for it to make me unable to sleep. F 42 15 days
6/13/2009
 5  allergies I don't believe there's been any - sleeping rather hard, dreaming alot. Never had any allergy issues until this past winter - tried Claritin and others - Zyrtec did the trick, if I stop taking it, I start right back up with the symptoms - looks like a long term thing for me. So far, no issues that I can tell. M 49 9 months
6/12/2009
 2  allergy cough that is always there With-in an hour I felt morbidly depressed and hopeless. I thought it was my imagination. But I had the same outcome for the entire 5 dose package about 10-40 minutes after taking it. After I stopped, this completely stopped! Then my left eye started acting weird-like spots that come and go. It did help the cough. One of the only things that ever has.. But now I am spooked about taking it. I wonder if this medication has any impact on eyes (retina/ response to bright light) or if that has been considered? My eye is still not right. I see a DR Friday. Kind of scary-these drugs with their harmless happy-go-lucky candy store advertising. F 48 5 days
6/10/2009

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