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: Tremor, Headache, Dizziness, Nausea, Pain, Chills, Vomiting, Loss of consciousness, Anxiety, Visual impairment, Euphoric mood, Dyspnoea, Insomnia, Pyrexia
Posted By Anonymous in askapatient.com on September 3, 2015 @ 12:00 am
“Side Effects: Nausea and dizzy I cant go outside I fant every time I try..can eat cant sleep my nerves system cant stop shaking headache eyes blurry light headed cheats pain shortness of breath vomit...”
Druginformer Identified Side Effects: Pyrexia, Somnolence
Posted By Anonymous in drugs.com on April 21, 2014 @ 12:00 am
“Took Zyrtec on the advice of my ENT for chronic sinusitis from hay fever. It worked wonders on my sinuses but I can not function on it due to extreme drowsiness and fatigue. I am going to have to stop...”
Druginformer Identified Side Effects: Pyrexia, Emotional distress
Posted By Anonymous in askapatient.com on October 28, 2013 @ 12:00 am
“Side Effects: My 3 1/2 year old who is normally full of energy and loves to joke and laugh has been taking this for the last 2 weeks because of hay fever symptoms. Since taking it his energy levels h...”
Druginformer Identified Side Effects: Arthralgia, Headache, Cardiac flutter, Pyrexia, Restlessness, Somnolence
Posted By Anonymous in askapatient.com on October 27, 2013 @ 12:00 am
“Side Effects: Heart palpitations, fatigue, achy joints, unsettled sleep, headache I thought I had sinus and hay fever, Zytec made me feel like I had the flu. the heart palpitations made me ...”
Druginformer Identified Side Effects: Hunger, Chills, Starvation, Anger, Drug withdrawal syndrome, Cardiac flutter, Abnormal dreams, Hyperhidrosis, Pyrexia, Somnolence, Suicidal ideation
Posted By Anonymous in askapatient.com on May 27, 2010 @ 12:00 am
“... couple of hours of my first dose ... culminating with suicidal thoughts, raging and irrational anger (at everyone, for not one single reason), a fever of 104F, insatiable hunger (starvation mode, for ...”
Druginformer Identified Side Effects: Fatigue, Dizziness, Pain, Swallowing problem, Sleep disorder, Influenza like illness, Oedema, Pyrexia
Posted By Anonymous in askapatient.com on May 24, 2010 @ 12:00 am
“Side Effects: took zyrtec at about 10:30 in the morning..was at work and started feeling really tired and dizzy. At about 2pm I felt like I had the flu, my throat hurt so bad i couldn't swallow and i...”
Druginformer Identified Side Effects: Pyrexia, Somnolence
Posted By Anonymous in drugs.com on August 27, 2009 @ 12:00 am
“Apart from feeling drowsy all day long, I have not experienced any relief from my hay fever (have been taking Cetirizine for a week).”
Druginformer Identified Side Effects: Epistaxis, Dandruff, Drug ineffective, Dry eye, Dry mouth, Oedema, Pyrexia, Chapped lips, Skin chapped
Posted By Anonymous in askapatient.com on July 12, 2009 @ 12:00 am
“... had developed an allergy to my moisturizer and lipstick, so I changed to non-allergenic products with no effect. My nostrils were also dry and scabby. Recently, I had several nose bleeds. At my annual...”
Druginformer Identified Side Effects: Constipation, Fatigue, Pain, Acne, Fluid retention, Pyrexia, Weight decreased, Weight increased
Posted By Anonymous in askapatient.com on May 3, 2009 @ 12:00 am
“Side Effects: Pimples on chest, shoulders, and upper back. Periods of constipation followed by painful, large, and loose BMs. Decrease in energy and water retention/minor weight gain. I hav...”
Druginformer Identified Side Effects: Fatigue, Lethargy, Sleep disorder, Rhinitis, Confusional state, Depression, Disturbance in attention, Insomnia, Irritability, Pyrexia, Somnolence
Posted By Anonymous in askapatient.com on October 17, 2008 @ 12:00 am
“... months to control it. Worked great in the first month then I began to experience severe side effects (which up until now didn't attribute to Zyrtec). This drug caused extreme fatigue for me 24/7. ...”
* 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
“... outside I fant every time I try..can eat cant sleep my nerves system cant stop shaking headache eyes blurry light headed cheats pain shortness of breath vomiting passing out fever and chills
...”
Source:" ZYRTEC: Side effects, ratings, and pat...
View full report on drug related pyrexia
Did the author experience pyrexia while taking zyrtec?
What is this?Zyrtec
“Took Zyrtec on the advice of my ENT for chronic sinusitis from hay fever . It worked wonders on my sinuses but I can not function on it due to extreme drowsiness and fatigue. I am going to have to stop...”
Source:" comments/cetirizine/zyrtec.html&sa=U&e...
View full report on drug related pyrexia
Did the author experience pyrexia while taking zyrtec?
What is this?Zyrtec
“Side Effects: My 3 1/2 year old who is normally full of energy and loves to joke and laugh has been taking this for the last 2 weeks because of hay fever symptoms. Since taking it his energy levels h...”
Source:" ZYRTEC: Side effects, ratings, and pat...
View full report on drug related pyrexia
Did the author experience pyrexia while taking zyrtec?
What is this?