Purinethol and Viral pharyngitis - a phase IV clinical study of FDA data

Summary:

Viral pharyngitis is reported as a side effect among people who take Purinethol (mercaptopurine), especially for people who are male, 50-59 old, also take Advil, and have Asthma.

The phase IV clinical study analyzes which people have Viral pharyngitis when taking Purinethol. It is created by eHealthMe based on reports of 3,767 people who have side effects when taking Purinethol from the FDA, and is updated regularly.

What is Purinethol?

Purinethol has active ingredients of mercaptopurine. It is often used in ulcerative colitis. eHealthMe is studying from 3,810 Purinethol users. Check the latest studies of Purinethol.

What is Viral pharyngitis?

Viral pharyngitis (inflammation of the throat or pharynx caused by viral infection) is found to be associated with 143 drugs and 202 conditions by eHealthMe. Check the latest studies of Viral pharyngitis.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 26, 2026

3,767 people reported to have side effects when taking Purinethol.
Among them, 17 people (0.45%) have Viral pharyngitis.

Could Purinethol cause Viral pharyngitis?

Among these 17 people:

What is the gender of people who have Viral pharyngitis when taking Purinethol? *

female: 0.0 %
male: 100 %

What is the age of people who have Viral pharyngitis when taking Purinethol? *

What are other drugs people take besides Purinethol? *

What are other side effects people have besides Viral pharyngitis? *

Indigestion: 17 people, 100.00%
Orthostatic Hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up): 17 people, 100.00%
Nausea (feeling of having an urge to vomit): 17 people, 100.00%
Haemorrhoidal Haemorrhage (bleeding from the haemorrhoids): 17 people, 100.00%
Mouth Injury: 17 people, 100.00%
Mitral Valve Incompetence (inefficient heart valve): 17 people, 100.00%
Migraine (headache): 17 people, 100.00%
Mental Impairment (a condition affecting the body, perhaps through sight or hearing loss, a mobility difficulty or a health condition): 17 people, 100.00%
Lymphoma (cancer that begins in immune system cells): 17 people, 100.00%
Leukopenia (less number of white blood cells in blood): 17 people, 100.00%

What are the existing conditions these people have? *

Pain: 17 people, 100.00%
Hypokalemia (low potassium): 17 people, 100.00%
Hypersensitivity: 17 people, 100.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 17 people, 100.00%
Asthma: 17 people, 100.00%

* Approximation only. Some reports may have incomplete information.

Do you take Purinethol and have Viral pharyngitis?

- Check whether Viral pharyngitis is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Purinethol:

Purinethol (3,810 reports)

Browse all side effects of Purinethol:

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 z

Browse all the drugs that are associated with Viral pharyngitis:

Viral pharyngitis (143 drugs)

Browse all the conditions that are associated with Viral pharyngitis:

Viral pharyngitis (202 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on mercaptopurine (the active ingredients of Purinethol) and Purinethol (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.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML 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 800+ peer-reviewed 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.