Zyrtec and Diverticulum - a phase IV clinical study of FDA data
Summary:
Diverticulum is found among people who take Zyrtec, especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years.
The phase IV clinical study analyzes which people take Zyrtec and have Diverticulum. It is created by eHealthMe based on reports of 94,387 people who have side effects when taking Zyrtec from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.
Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
94,387 people reported to have side effects when taking Zyrtec.
Among them, 223 people (0.24%) have Diverticulum.
What is Zyrtec?
Zyrtec has active ingredients of cetirizine hydrochloride. It is often used in allergies. eHealthMe is studying from 99,160 Zyrtec users for its effectiveness, alternative drugs and more.
What is Diverticulum?
Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body) is found to be associated with 1,693 drugs and 960 conditions by eHealthMe.
Number of Zyrtec and Diverticulum reports submitted per year:

Time on Zyrtec when people have Diverticulum *:
Gender of people who have Diverticulum when taking Zyrtec*:
Age of people who have Diverticulum when taking Zyrtec *:
Common drugs people take besides Zyrtec *:
Common side effects people have besides Diverticulum *:
Common conditions people have *:
* Approximation only. Some reports may have incomplete information.
Do you take Zyrtec and have Diverticulum?
Check whether Diverticulum is associated with a drug or a conditionHow to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
Related studies
How severe was Diverticulum and when was it recovered:
Expand to all the drugs that have ingredients of cetirizine hydrochloride:
Alternative drugs to, pros and cons of Zyrtec:
- Zyrtec (99,160 reports)
Common Zyrtec side effects:
- Drug ineffective: 7,906 reports
- Fatigue (feeling of tiredness): 6,811 reports
- Headache (pain in head): 5,700 reports
- Pain: 4,984 reports
- Rashes (redness): 4,877 reports
- Breathing difficulty: 4,612 reports
- Diarrhea: 4,357 reports
- Itching: 4,318 reports
Browse all side effects of Zyrtec:
a b c d e f g h i j k l m n o p q r s t u v w x y zDiverticulum treatments and more:
- Diverticulum (13,068 reports)
COVID vaccines that are related to Diverticulum:
- Diverticulum in Moderna COVID Vaccine
- Diverticulum in Pfizer BioNTech Covid Vaccine
- Diverticulum in Johnson and Johnson Covid Vaccine
Common drugs associated with Diverticulum:
- Fosamax: 2,078 reports
- Benicar: 1,936 reports
- Aspirin: 1,566 reports
- Benicar hct: 1,382 reports
- Vioxx: 1,181 reports
- Zometa: 1,114 reports
- Prednisone: 1,048 reports
- Lipitor: 1,009 reports
- Aredia: 780 reports
- Prilosec: 743 reports
All the drugs that are associated with Diverticulum:
- Diverticulum (1,693 drugs)
Common conditions associated with Diverticulum:
- High blood pressure: 2,335 reports
- Osteoporosis: 1,769 reports
- Rheumatoid arthritis: 759 reports
- Pain: 598 reports
- High blood cholesterol: 512 reports
All the conditions that are associated with Diverticulum:
- Diverticulum (960 conditions)
How the study uses the data?
The study uses data from the FDA. It is based on cetirizine hydrochloride (the active ingredients of Zyrtec) and Zyrtec (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.
Who is eHealthMe?
With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 600+ medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).
WARNING, DISCLAIMER, USE FOR PUBLICATION
WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.
DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.
If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.
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