Naproxen and Infectious peritonitis - a phase IV clinical study of FDA data

Summary:

Infectious peritonitis is reported as a side effect among people who take Naproxen (naproxen), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Aspirin, and have Juvenile arthritis.

The phase IV clinical study analyzes which people have Infectious peritonitis when taking Naproxen. It is created by eHealthMe based on reports of 68,942 people who have side effects when taking Naproxen from the FDA, and is updated regularly.

What is Naproxen?

Naproxen has active ingredients of naproxen. It is often used in pain. eHealthMe is studying from 72,033 Naproxen users. Check the latest studies of Naproxen.

What is Infectious peritonitis?

Infectious peritonitis (inflammation of the peritoneum, typically caused by bacterial infection) is found to be associated with 135 drugs and 357 conditions by eHealthMe. Check the latest studies of Infectious peritonitis.

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, 27, 2026

68,942 people reported to have side effects when taking Naproxen.
Among them, 13 people (0.02%) have Infectious peritonitis.

Could Naproxen cause Infectious peritonitis?

Among these 13 people:

How long have people been on Naproxen when they have Infectious peritonitis? *

What is the gender of people who have Infectious peritonitis when taking Naproxen? *

female: 69.23 %
male: 30.77 %

What is the age of people who have Infectious peritonitis when taking Naproxen? *

What are other drugs people take besides Naproxen? *

What are other side effects people have besides Infectious peritonitis? *

Gastric Ulcer (stomach ulcer): 6 people, 46.15%
Histiocytosis Haematophagic: 4 people, 30.77%
Anaemia (lack of blood): 2 people, 15.38%
Large Intestine Perforation (hole in large intestine): 2 people, 15.38%
High Blood Pressure: 2 people, 15.38%
Heart Attack: 1 person, 7.69%
Electrocardiogram St Segment Depression: 1 person, 7.69%
Electrocardiogram T Wave Inversion: 1 person, 7.69%
Electroencephalogram Abnormal: 1 person, 7.69%
Enlarged Heart: 1 person, 7.69%

What are the existing conditions these people have? *

Juvenile Arthritis (arthritis-related condition that develops in children or teenagers): 4 people, 30.77%
Urine Output - Decreased: 1 person, 7.69%
Sleep Disorder: 1 person, 7.69%
Renal Cell Carcinoma (a kidney cancer): 1 person, 7.69%
Indigestion: 1 person, 7.69%
High Blood Pressure: 1 person, 7.69%
High Blood Cholesterol: 1 person, 7.69%
Diabetes: 1 person, 7.69%
Cardiac Failure Congestive: 1 person, 7.69%
Acute Kidney Failure: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Naproxen and have Infectious peritonitis?

- Check whether Infectious peritonitis 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 Naproxen:

Naproxen (72,033 reports)

Browse all side effects of Naproxen:

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 Infectious peritonitis:

Infectious peritonitis (135 drugs)

Browse all the conditions that are associated with Infectious peritonitis:

Infectious peritonitis (357 conditions)

How the study uses the data?

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