Zyrtec Side Effects

Side effects and experiences with Zyrtec by users like you. Post Yours Now.
  1. link Montymutt
    Zyrtec chronic hives, bouts, hearts, shock
    Have been taking Zyrtec for about 3 months now, due to chronic hives. Was put on zyrtec after going into anaphylactic shock. The hives are gone but now I have bouts where my hearts flutters and pounds like crazy. Don't know what to do because this is - 30% more...
    Montymutt- over a year ago - in Zyrtec
  2. 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
  3. link Floridamom
    Zyrtec behavior disorder, behavior issues, runny nose, smile, monster
    My son has been on Zyrtec for the past year - he is now 4. He the sweetest disposition one minute and is a monster the next hating us and wishing we were dead. We assumed that it was his age and possibly a behavior disorder until I read the other ent - 54% more...
    Floridamom- over a year ago - 2 Replies - in Zyrtec
  4. link Dontvail
    We just had the same experience and he was only on it for a couple of months. Thank God for the Internet and people like you posting this
    Dontvail- over a year ago
  5. link Frustratedmom
    My son has been on Zyrtec for >9 months. He has been having severe mood swings telling me and his teachers that he is going to kill us and wants to cut heads off people. We have seen a psychologist and are trying to rule out some sort of behaviora - 56% more...
    Frustratedmom- over a year ago
  6. 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
  7. link Alr710
    My son is 10 yrs old. His behavior has gotten worse over the last 2 yrs that he has been on Zrytec. We recently had been told that he has ADHD and he was put on medication for it. The first one made him very depressed and the second one made him very - 66% more...
    Alr710- over a year ago
  8. link Jojo1957
    Did you take him off Zyrtec and how is his behavior now? I am thinking of taking my son off Zyrtec, but I feel that I need to find something for his allergies first. He has been on Zyrtec for 7 years and on ADHD meds for 2 1/2 years.
    Jojo1957- over a year ago
  9. link Jojo1957
    How did your son behave now that you have him off the Zyrtec?
    Jojo1957- over a year ago
  10. link Outlawsrwe
    Zyrtec allergy asthma, miracle drug, singulair, lifesaver, flu
    i have taken Zyrtec for years during the fall during ragweed season - works great for me without any side effects. My husband can only take it every other day as it makes him feel flu -ish. 18 yr old takes as needed and it works great. 16- yr old has - 76% more...
    Outlawsrwe- over a year ago - 2 Replies - in Zyrtec
  11. link B2bmommy
    Pharmaceutical companies should make patients and their doc's aware when they add new side effects to their meds.
    B2bmommy- over a year ago
  12. link Sammysmom
    Zyrtec heart rythms, sick to my stomach, polaramine, ingrediant, irregular heart
    Here's what's going on... I've been taking Zyrtec for years with no problems. I don't have the usual allergies like runny nose, itchy eyes, etc. My allergies make me very sick to my stomach--all day long. It was like morning sickness. I was on polara - 72% more...
    Sammysmom- over a year ago - 1 Reply - in Zyrtec
  13. link Ammy
    You had serious side effects of Zyrtec drug. Some of the serious side effects are coughing, diarrhea, headache, nosebleed, sleepiness, sore throat and wheezing.
    Ammy- over a year ago
  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 Vblynch1
    Hi. My 2 year old has been on Zyrtec for over a year for allergies. He's a relatively good boy, but now that you mention your son's side effects, I can say that my son is a little more aggressive than I think he should be. I usually attribute it to h - 47% more...
    Vblynch1- over a year ago
  16. link Stwoul
    Zyrtec medical side effects, moron, dick, emotional state, medication
    Stwoul- over a year ago - 3 Replies - in Zyrtec
  17. link 123med
    To the person who wrote, "I THINK YOU ALL SOUND SCREWED UP" You are a complete moron. If you've ever experienced these side effects you would understand but clearly you haven't. You are the only one "screwed up" here. Why don't yo - 29% more...
    123med- over a year ago
  18. link Copyed
    Zyrtec pollen allergies, constant tiredness, dizzy spells, heart flutters, allegies
    I took Zyrtec for a few years for severe mold and pollen allergies. I loved the drug as it controlled my allergies much better than Allegra or Claritin. However, I recently stopped taking it after realizing it was causing dizzy spells, drowsiness/con - 53% more...
    Copyed- over a year ago - in Zyrtec
  19. link Ladybug12
    Zyrtec side effects of zyrtec, adult dose, gloom, sadness, amount of time
    I have wondered about the side effects of zyrtec - our daughter has been taking it for 5 year - the same amount of time she has been depressed, negative, etc and these symptoms just get worse as she grows older! I wish she wasn't taking zyrtec. I don - 47% more...
    Ladybug12- over a year ago - 1 Reply - in Zyrtec
  20. link Taraootie
    I was on it for 5 years as well. The symptoms sort of creep up so you dont really attribute it to ALLERGY meds! After I stopped taking it, I noticed that my feelings of general fogginess (I couldnt really concentrate), depression, mood swings and let - 72% more...
    Taraootie- over a year ago
  21. link Mmt
    Zyrtec dramatic difference, allergist, close friends, intuition, mommy
    I have a 10 year old son. When he was 2 the doctor put him on Zyrtec. I felt like it made him mean and very depressed. He had many outbursts and was not himself. I told the doctor and he looked at me like I was crazy. I took him off it and within abo - 79% more...
    Mmt- over a year ago - in Zyrtec
  22. 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
  23. link Dzgrl
    Zyrtec nasonex, fine tune, bouts, doctor who, vertigo
    VERTIGO! I've had bouts of it in the past but nothing like this! Falling down, unable to drive, to the point of vomiting. I thought it was from allergies (which are bad but if I'm taking the Zyrtec... as well as Nasonex and psuedofedrine... and I am - 64% more...
    Dzgrl- over a year ago - in Zyrtec
  24. link Carson2old
    Zyrtec dark dreams, three times
    I have tried Zyrtec three times, twice this past week. Each time I took it I could not stay awake. Even after sleeping 8 hours could barely get up. I had the most vivid, weird, really dark dreams each time I took it. I dream a lot, but not like these - 8% more...
    Carson2old- over a year ago - in Zyrtec
  25. link Momofstutteringchild
    Zyrtec vaginal irritation, sleeplessness, stutter, stuttering, gyn
    my then 2 year old daughter began to take Zyrtec in sept 06 for allergies. she began to STUTTER in November 06. she has gotten worse over time. she also has experienced vaginal irritation for about the same amount of time ( 1 1/2 years) i have had he - 56% more...
    Momofstutteringchild- over a year ago - 3 Replies - in Zyrtec
  26. link Nf515
    Zyrtec tonsils, hse
    My daughter has been taking Zyrtec for about a month and now one of her tonsils is swollen and she is snoring. She is taking Zyrtec to control Hives. He is not sleeping well and I do not know if its from Zyrtec. She takes Zyrtec every other day.
    Nf515- over a year ago - in Zyrtec
  27. link 8109
    zyrtec 10mg.
    What time of day should you take Zyrtec? Can you cut Zyrtec in half and take with Sudafed to have Zyrtec-d?
    8109- over a year ago - 1 Reply - in Zyrtec
  28. link Reese99
    You can take Zyrtec at whatever time of day you want. Keep in mind that one of the side effects are dizziness and drowsines, so you might consider taking it late in the day when you don't have to be as alert. (And make sure you know how you react to - 50% more...
    Reese99- over a year ago