This report is for all products sharing this active ingredient. For more details, please use our Workbench for research on individual brands like Zyrtec.
The quarterly trend chart illustrates changing levels of adverse events over time. Results from both the FDA Adverse Event Database (AERS) and adverse events extracted from social media by Druginformer are plotted side-by-side for easy comparison.
Report Date | Dosage | Indication | Outcome | Country | Gender | Age | Weight (lbs) |
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* DrugInformer calculates alarm using a proprietary algorithm. Alarm should not be taken as an ofiicial signal from the FDA or other regulatory entity.
Druginformer Identified Side Effects: Anger, Weight increased, Appetite disorder
Posted By Anonymous in askapatient.com on March 2, 2015 @ 12:00 am
“Side Effects: 25 lb weight gain, slowly over 5 years- last week I read something about Zyrtec causing weight gain and it finally clicked for me- I've been going mad trying to figure out the cause of ...”
Druginformer Identified Side Effects: Drug dependence, Insomnia, Psychotic disorder, Poor quality sleep, Appetite disorder
Posted By Anonymous in askapatient.com on June 9, 2014 @ 12:00 am
“... may have been the Zyrtec. Then when I ran out and was literally scrounging around in my car at 1 am since I couldn't sleep without Zyrtec my husband joked. " I think you are addicted to Zyrtec". I bar...”
Druginformer Identified Side Effects: Sudden death, Weight decreased, Weight increased, Appetite disorder
Posted By Anonymous in askapatient.com on April 8, 2011 @ 12:00 am
“Side Effects: I expereinced slow, steady weight gain with a very large appetite. Tried to cut back on portions and couldn't lose (and I'm a registered dietitian!). My dog died , so after a few week...”
Druginformer Identified Side Effects: Malaise, Pruritus, Cardiovascular disorder, Mood swings, Urticaria, Anger, Cardiac flutter, Dehydration, Muscular weakness, Appetite disorder
Posted By Anonymous in askapatient.com on March 10, 2010 @ 12:00 am
“Side Effects: Heart palpitations, muscle weakness, extreme lethargia, violent mood swings/anger problems, itchy hives, dehydrated feeling, overall poor health and sick feeling all the time. ...”
Druginformer Identified Side Effects: Syncope, Loss of consciousness, Decompression sickness, Mood altered, Restlessness, Appetite disorder
Posted By Anonymous in askapatient.com on September 16, 2009 @ 12:00 am
“Side Effects: My 8 yo daughter took Zyrtec once, ONCE and FAINTED at school the next day. A whole 5 mg of the stuff did it!! It was very unsettling to receive a call at work from the school nurse say...”
Druginformer Identified Side Effects: Personality change, Sleep disorder, Anger, Aggression, Irritability, Mood altered, Appetite disorder
Posted By Anonymous in askapatient.com on August 13, 2009 @ 12:00 am
“Side Effects: Irritability, moodiness, anger, aggression, appetite changes, sleep problems, personality change Our son was taking zyrtec on and off as needed for over a year. We thought he...”
Druginformer Identified Side Effects: Alopecia, Mental impairment, Vision blurred, Weight increased, Psychotic disorder, Menstruation irregular, Appetite disorder
Posted By Anonymous in askapatient.com on July 29, 2009 @ 12:00 am
“Side Effects: WEIGHT GAIN - HAIR LOSS - BLURRED VISION - MENSTRUAL PROBLEMS I stopped taking Zyrtec 7 days ago and the withdrawal is terrible. Intense itching on hands, legs and scalp. Pri...”
Druginformer Identified Side Effects: Headache, Dizziness, Abdominal discomfort, Abnormal weight gain, Eye pain, Disturbance in attention, Somnolence, Weight increased, Psychotic disorder, Appetite disorder
Posted By Anonymous in askapatient.com on July 6, 2008 @ 12:00 am
“Side Effects: Dizziness, Eye pain, fogginess, headache, stomach pain, extreme weight gain I have been taking Zyrtec for close to 4 weeks. It really does help alleviate the allergy symptoms,...”
Druginformer Identified Side Effects: Abnormal behaviour, Memory impairment, Irritability, Weight decreased, Weight increased, Appetite disorder
Posted By Anonymous in askapatient.com on March 9, 2008 @ 12:00 am
“... it... I stopped taking Zyrtec Thursday and we haven't even so much as disagreed about anything, much less argued to any degree since. I have had a few episodes of erratic behavior. One night my wif...”
Druginformer Identified Side Effects: Hunger, Crying, Insomnia, Appetite disorder
Posted By Anonymous in askapatient.com on August 19, 2007 @ 12:00 am
“... daughter began taking Zyrtec daily in July. She has suffered from sleeplessness, extreme temper tantrums, ODD like behavior (very defiant), crying over everything, extreme hunger (even after eating)....”
* Warning: The facts and figures contained in these reports are accurate to the best of our capability; however, our metrics are only meant to augment your medical knowledge, and should never be used as the sole basis for selecting a new medication. As with any medical decision, be sure to work with your doctor to ensure the best choices are made for your condition.
* About FAERS: The FDA Adverse Event Reporting System (FAERS) is used by FDA for activities such as looking for new safety concerns that might be related to a marketed product, evaluating a manufacturer's compliance to reporting regulations and responding to outside requests for information. Reporting of adverse events is a voluntary process, and not every report is sent to FDA and entered into FAERS. The FAERS database may contain duplicate reports, the report quality is variable, and many factors may influence reporting (e.g., media attention, length of time a drug is marketed, market share). For these reasons, FAERS case reports cannot be used to calculate incidence or estimates of risk for a particular product or compare risks between products.
Social Media Comments From Around the Web
The following are comments from users that experienced side effects while taking Milnacipran Hydrochloride
Zyrtec
“... last week I read something about Zyrtec causing weight gain and it finally clicked for me- I've been going mad trying to figure out the cause of this weight, despite eating a very clean/moderate calor...”
Source:" ZYRTEC: Side effects, ratings, and pat...
View full report on drug related appetite disorder
Did the author experience appetite disorder while taking zyrtec?
What is this?Zyrtec
“... I took this for a year. Thought it was causing me to gain weight(I don't think so really) so I decided to stop taking this. I kept waking up in the middle of the night and eating ! That may have been t...”
Source:" ZYRTEC: Side effects, ratings, and pat...
View full report on drug related appetite disorder
Did the author experience appetite disorder while taking zyrtec?
What is this?Zyrtec
“... a registered dietitian!). My dog died , so after a few weeks I decided to try and stop taking Zyrtec . All of a sudden I was able to lose weight and I didn't have such a voracious appetite . It's been...”
Source:" ZYRTEC: Side effects, ratings, and pat...
View full report on drug related appetite disorder
Did the author experience appetite disorder while taking zyrtec?
What is this?