ZYRTEC Reviews

Average Rating: 2.0 (1790 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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 1  Allergies Extreme malaise, tired, brain fog, wanting to fall asleep, anxious, all over tired I feel like I'm drugged. Legs and arms tied, brain tired, not happy at all feel like I need to sleep. Made my anxiety worse because of how it makes me feel. F 53 3 days
20mg 1X D
 1  Allergy I suspect thus med has caused anger in my 15 yr old autistic grandson. I took him off of it and he has had a good day. We shall see. Thanks for all your comments M 15 8 months
10 mg 1X D
 1  Seasonal allergies Vivid weird dreams, almost felt like I was hallucinating. Dry eyes, extreme dry mouth, horrible tiredness. I took it at 10pm got up in the morning and went back to bed at 10am until 1pm, really vivid dreams at that point. Got up still tired. Feels like my brains were jumbled! Getting ready to go to bed again at 10pm and am almost afraid to sleep again, still have horrible dry mouth. Have been drinking water all day. Awful stuff, never again! It feels like I've over dosed on a benadryl type product! Horrible! Not for me! 68 1 days
10MG 1X D
 1  allergies Temper tantrum, hitting, throwing things. Uncontrollable crying. He is normally a loving, happy little boy. Within 30 minutes of giving him Zyrtec he is bouncing of the walls. I DO NOT recommend giving this to your child. M 1.5 1 days
2.5 mg 1X D
 4  Horrible allergy headaches I have to take it at night I wake up with a terrible headache if not, but around 8 pm I can feel it wear off... I have insane dreams and think it's from the medicine??? I can't find anything else to take they will take my headache away... I have tried everything!!! F 42 0 weeks
10mg 1X D
 1  Allergies Laundry list of side effects! Fatigue, Massive brain fog, depression, Tremor, inflammation, stinging burning pain all over, Dry eyes, eye swelling, 20 pound weight gain, Etc. This medication has turned me into a bed ridden zombie. I am going to wean off and then throw all my bottles out. Iíll stick to Claritin in an emergency. F 50 3 years
5 ml 1X D
 1  Allergies Depression, anxiety, worsening allergies, headaches, increased irritability F 15 2 years
1 pill 1X D
 1  Allergies. Sinus Dizzyness. Insomnia F 54 6 months
10 1X D
 1  Allergies Extreme dizziness, heart palp, head pressure, ear pressure, neck, back, shoulder, leg and foot pain. Major anxiety and depression I have been in and out of doctors and specialists for months. Nobody could find anything wrong with me but yet I felt like impending doom. All my blood work and scans came back normal. After thousands of dollars and about 25 doctors an allergist told me about the side effects of Zyrtec. Ive been off of it for almost 3 weeks and im still having issues. When does this end? Others say it takes about a week but I'm so afraid I permanently damaged my body. F 44 2 years
1X D
 2  Animal allergies I took this for three days for my allergies to our new puppy. Claritin was not working. It seems to help my allergy symptoms a lot better than Claritin; however, I was dizzy and fell down the stairs the first day and feel like a zombie and not myself. My vision is blurry and eyes are filmy. I am. It taking any longer and am going to see an allergist. F 45 3 days
10mg 1X D
 1  Oral Allergy Syndrome I'm a 21 year old female. The worst allergy medicine I've ever taken, next to Levocetirizine. Besides being sedated and anxious, I most recently have been waking up with hives, shortness of breath, swollen eyelids and top lip, itching and burning skin, and panic attacks. I discontinued this medicine after like 3 months of taking it almost daily, I was absolutely miserable. I will never take this crap again. I'm on day 2 of not taking it and I was starting to feel better. I took Claritin today stupidly thinking I'd feel better with it and I do not. I feel like pure sh*t, I'm probably gonna stay off antihistamines for a while, I don't know what to take anymore. why do you cause me such grief you were amazing at first ): F 21 60 days
10 mg 1X D
 1  Allergies asthma It was great for my allergies but the mood situation was horrible. Caused me to feel soooo angered and completely sad... crying for no reason. The worst part? DETOXING off of this after only 2 weeks. Tremors and uncontrollable shaking for 4 weeks after and the worst insomnia I have ever experienced. Something in this medication is frighteningly addictive. As much as I like the relief of allergies? The payoff is just too expensive. Would never take again. F 49 2 days
10 mg 1X D
 1  Clearing of throat After starting Zyrtec my daughter the next day began to strug her shoulders, constantly. I stopped the Zyrtec 3 or 4 days after. She's still doing the shoulder shrug when will this end :( F 4 4 days
5ml 1X D
 1  Allergies Too confused blurry vision F 71 5 days
 5  Seasonal allergies None My wife experiences extreme emotional outbursts while taking Zyrtec. M 60 2 days
10 mg
 1  Allergies After taking for 4 years my eyes would constantly water, i would get random vertigo, increased my anxiety and depression. I tried to stop several times but experienced the itching from hell. This time i switched to Claritin rather than going cold turkey and no itching. Eyes havent watered and i feel more alert, going on 5 days no Zyrtec F 43 4 years
 1  Seasonal Allergies Depression, anger, lethargic, indifferent, easily irritated, nasal congestion, brain fog, 'zombie' effect. Love what it does for my allergies. HHHAAATTTTEEE what it does for my mood. Not friggin worth it. I'll have itchy eyea before I take this again. Its my second time trying it and it's just not worth the depression spiral or irritability for no reason. 31 3 days
 1  Yes Depression, irritable, heart palpitations, crying for no reason.. dizziness, feeling lost I've taken Zyrtec off and on for some time. But since moving I've had to take it everyday, due to the area.. anyway, I've been depressed for days and had the hardest time trying to figure out why.. I didn't take it for a few days and started back taking a couple of days ago and noticed I started to have the Symptoms (as mentioned above) all over again..I recently talked to a friend about taking Zyrtec, and she told me to be aware because it may have you depressed and sure enough it's been the Zyrtec. Although it helps the sinus symptoms, it brings out the worst side effects and I would rather not take it any longer.. 34 30 days
 2  Itching from chigger bites I have taken Zyrtec before, and it has made me very sleepy. However, the last time I took it was Wednesday night for itching related to chigger bites. (I gave Zyrtec two stars because it DID alleviate my itching.) Thursday all day I literally felt like I was having an out of body experience. I felt like I was high/drunk/floating and had a hard time forming and thinking of words. My hands, arms, and legs felt heavy. I kept having to remind myself to take deep breaths because it was like I could not remember to breath reflexively. I fell asleep 3 times during the day which is not like me at all. Even late into the night Thursday, I felt very out of it. I am so thankful I found this forum with people who have experienced similar reactions to Zyrtec. My husband takes it every morning and functions just fine all day. F 37 1 days
10 MG
 1  Allergies My son became very irritable, physically aggresive and angry while taking this. M 3 4 days