Zyrtec Side Effects

Side effects and experiences with Zyrtec by users like you. Post Yours Now.
  1. link Tgbatson
    Zyrtec seasonal allergies, medicine, heart, zyrtec, withdrawals
    I have been taking Zyrtec for about a month to treat my seasonal allergies. I have noticed about once a day a shortness of breathe and my heart is beating very weird. I thought this was all in my head but now I am not so sure. Has anyone else experie - 19% more...
    Tgbatson- over a year ago - 1 Reply - in Zyrtec
  2. link Dreamangel64
    Zyrtec advil, tylenol, sinus, otc, family and friends
    I had only been taking zyrtec for the past few months and ran out a few days ago and decided that i really didn't want to continue takin it i have been off of it for almost 3 days now and have started itching like crazy. Going off zyrtec was the only - 63% more...
    Dreamangel64- over a year ago - in Zyrtec
  3. link Tygrlilly71
    Zyrtec seasonal allergies, loratidine, pieces of a dream, claritin, bits and pieces
    I started taking zyrtec a few days ago for seasonal allergies. I had tried the claritin (loratidine) before and it didn't seem to really help me much. I was avoiding the zyrtec because I knew it could potentially make me drowsy and I didn't want to b - 72% more...
    Tygrlilly71- over a year ago - 2 Replies - in Zyrtec
  4. link Ginalynn2
    Zyrtec extreme irritability, dr appointment, emotional outbursts, astellin, singulair
    My son was on a cocktail of Singulair, Zyrtec, Astellin and Nasonex. Like a miracle, his severe allergies cleared up almost immediately. Months later, behavioral changes started to surface. Extreme irritability, major meltdowns over nothing, problems - 78% more...
    Ginalynn2- over a year ago - 5 Replies - in Zyrtec
  5. link Elph11
    have you found any way to deal with the allergies with any meds that have fewer side effects? please let me know -- I have a 10 year old son with asthma, allergies. his mood has improved now that we have stopped singulair -- I'd like to stop zyrtec, - 43% more...
    Elph11- over a year ago
  6. link Momof3jboys
    Hi. My 7 yr old son has had the same symptoms on Zyrtec and Singulair. He is on Zyrtec now because I also though his problems were due to the Singulair. He has started having vocal tics like he has Tourette's Syndrome. This is very upsetting and I am - 56% more...
    Momof3jboys- over a year ago
  7. link Mdkeng
    Zyrtec nut allergies, nasty disposition, tree nut, singulair, second grade
    My son is in second grade and has been on Zyrtec and singular since he was four years old. He was diagnosed with asthma and peanut and tree nut allergies. He has always been the sweetest kid. However, we noticed in first grade that he was spacing out - 70% more...
    Mdkeng- over a year ago - 1 Reply - in Zyrtec
  8. link Elph11
    what will you use instead? my son is 10, has asthma, multiple food allergies, environmental allergies. I took him off of singulair and noticed a big change -- I wasn't even expecting to see one, especially so soon! but my son's dr. told me about the - 56% more...
    Elph11- over a year ago
  9. link S1simps
    Zyrtec nasal allergies, moody behavior, antihistimines, emotional change, class participation
    I wish I had found this site a year ago. My 9 year old son was prescribed Zyrtec for his nasal allergies. He took it each day for over 6 months. He began to have problems in school - withdrawing from class participation, moody behavior at home, depre - 83% more...
    S1simps- over a year ago - 3 Replies - in Zyrtec
  10. link Elph11
    oh, I have to add -- it is so disappointing that a counselor would dismiss the kind of changes you noticed in your nine-year-old. Not just disappointing -- upsetting. Not only did he fail to recognize that you know your son best, but he failed to ade - 19% more...
    Elph11- over a year ago
  11. link Elph11
    My son has severe allergies. He has been on antihistamines all of his life. Without them, he suffers horribly -- asthma, increased reactions to foods (he has food allergies even with daily zyrtec but many more minor reactions when he's off zyrtec), s - 50% more...
    Elph11- over a year ago
  12. link Mrst
    Zyrtec allergy medicine, allergy symptoms, couch potato, suicidal thoughts, fatigue
    I began taking Zyrtec 2 months ago. It controlled my allergy symptoms very well, but I noticed increasing fatigue and depression. I became a "couch potato" barely able to get through my day. I began having suicidal thoughts and gained weigh - 36% more...
    Mrst- over a year ago - in Zyrtec
  13. link Eatman12
    Zyrtec stomach pains, zyrtec, withdrawals, askapatient, good luck
    Has anyone experienced Zyrtec withdrawal? I've been taking Zyrtec for at least 4 years and whenever I try to quit I develop hives, stomach pains, and it becomes difficult to breathe. I want to try and quit for good, but it will be difficult.
    Eatman12- over a year ago - 1 Reply - in Zyrtec
  14. link Jdonovan
    Zyrtec trouble in school, 3 years, few days, allergies, homeopathic remedies
    Our son was on Zyrtec for 3 years, we just took him off and went a homeopathic route for his allergies. While on zyrtec, he was so emotional, had trouble in school, cried a ton and was overall a mess! A few days after we changed his meds, he was a DI - 11% more...
    Jdonovan- over a year ago - 2 Replies - in Zyrtec
  15. link Kid
    Hi, what homeopathic remedies were you using for your son and what were his allergies. I have chronic hives and am on Zyrtec for 9 years and want to go off.
    Kid- over a year ago
  16. link Dzgrl
    Zyrtec vivid dreams, doctor friend, seeing things, bottom line, medications
    I was really relieved to have found this information. I thought I was loosing it! I am 38 and was having bursts of rage, crying for nothing... could it be menopause? NO! Unfortunately these are not listed for physicians as side effects so my doctor f - 61% more...
    Dzgrl- over a year ago - 1 Reply - in Zyrtec
  17. link Kid
    hi, im 52 with chronic hives, what were the homeopathic remedies and what allergies did your son have?
    Kid- over a year ago
  18. link Aroswell3
    Zyrtec answer to prayer, social anxiety, sibblings, bad dreams, happy child
    My daughter who just turn 7 has been on and off Zyrtec for the past 6 months. This last time it finally clicked... She was on it for about 3-4 weeks and I notice her mood changed and she was now very angry at anything and started hitting her sibbling - 84% more...
    Aroswell3- over a year ago - 4 Replies - in Zyrtec
  19. link Mhammes7
    I just read your email. My 8 year old son was in the E.R. and spent 2 days of the pediatric IUC center here at El Paso last weekend. . He also suffers asthma, and he has been in Zyrtec, Singular for over 4 years. The reason why he ended up in the hos - 77% more...
    Mhammes7- over a year ago
  20. link Bissey71
    My son was about 5 years old when we realized that he was having outburst & always whiny. We took him off the Singular for 2 weeks and he was great & pleasant. Then a few week later we put him back on to see if it was the meds & sure enou - 24% more...
    Bissey71- over a year ago
  21. link Dwester3
    Zyrtec lower back pain, singulair, headaches, mice, cocktail
    I really did not notice any side effects with the Zyrtec alone. I have allergies to mice (which I work with in my job). The zyrtec really helped when I took it once a day at first. It stopped the sneezing and I did not feel funny (nothing I can think - 69% more...
    Dwester3- over a year ago - 1 Reply - in Zyrtec
  22. link Zsmom
    The FDA is conducting a safety reveiw of Singulair. Please report your adverse reactions as soon as you can. This is the link to the FDA online reporting site: https://www.accessdata.fda.gov/scripts/medwatch/medwatch-online.htm. Thank you!
    Zsmom- over a year ago
  23. link Genoa773
    Zyrtec allergies to dust mites, dust mites, sinus infection, heart palpitations, claritin
    I have allergies to dust mites, and started taking Zyrtec to help get over a sinus infection. It worked great at first. Then I started to feel not myself, and my thoughts were out of control. I have depression, and it magnified it. I stopped taking i - 27% more...
    Genoa773- over a year ago - in Zyrtec
  24. link Wallerp
    Zyrtec pink eye, rapid eye, pediatrician, neurologist, otc
    My 2.5 year old son was on this for a little over a week. We noticed him start to have rapid eye blinking and head twitching every other minute or so. Took him to ER, doctors said possible pink eye even though there was no redness or discharge in his - 73% more...
    Wallerp- over a year ago - in Zyrtec
  25. link Goodwavygravy
    Zyrtec allergy problem, menstrual problems, gaining weight, ovaries, ing
    Is any one having menstrual problems? I have had a lot of cramping and little to no flow-which is unusual for me-I feel like I am constantly PMS-ing and I want to eat all the time! The allergy problem is gone but my ovaries are killing me and Im gain - 5% more...
    Goodwavygravy- over a year ago - 2 Replies - in Zyrtec
  26. link Kacermak
    I believe it is. I've had the exact same problems since I started taking zyrtec. Significant weight gain, no menstrul cycle, extremely moody. Thing is I just stopped taking it and the itching from withdrawal is CRAZY!!!
    Kacermak- over a year ago
  27. link Kozzy
    Zyrtec insurance company, allergies, depression, allegra, insurance
    I had been somewhat depressed for a while. After 2 days of being on Zyrtec, I was nearly suicidal. I continued to take it for a few more days because it did help with my allergies. I wasn't sure that it had anything to do with my depression until I s - 50% more...
    Kozzy- over a year ago - in Zyrtec
  28. link Tolbertjl
    Zyrtec piece of crap, trouble in school, four daughters, singulair, adhd
    my 8 year old son was taking singulair and zyrtec for 6 years. I forgot to give him his medicine for a couple of days and noticed how mellow he was. I started thinking about it and realized that it might be the medicine. He was 2 when he started taki - 71% more...
    Tolbertjl- over a year ago - in Zyrtec
  29. link Momofsuperkid
    Zyrtec adhd, claritin, new med, dx, amount of time
    I can't believe what I am reading. My son, who is 10 now has been on this med for 5 years now. The same amount of time that he has been dx with ad/hd. He started a new med for adhd this past summer and was doing wonderful, at the same time I had run - 74% more...
    Momofsuperkid- over a year ago - 4 Replies - in Zyrtec
  30. link Shaughawout
    I have experienced the same thing with my daughter, who is four. She started Zrytec because of allergy itching, and it worked better than Claritin for the itch and redness under the eyes. But then I noticed her behavior became atrocious. She became d - 54% more...
    Shaughawout- over a year ago
  31. link Katieh
    Zyrtec urinary tract infection
    I ve been taking this since it became over the counter and have every 3-4 day felt like I was getting a urinary tract infection I've done everything they say to avoid these because its an awful thing to have and I think I'm going to drop the zyrtec I - 8% more...
    Katieh- over a year ago - in Zyrtec