Naproxen and Gastric ulcer haemorrhage - a phase IV clinical study of FDA data

Summary:

Gastric ulcer haemorrhage 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 Alendronic Acid, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Gastric ulcer haemorrhage 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 72,032 Naproxen users. Check the latest studies of Naproxen.

What is Gastric ulcer haemorrhage?

Gastric ulcer haemorrhage (bleeding ulcer of stomach) is found to be associated with 606 drugs and 822 conditions by eHealthMe. Check the latest studies of Gastric ulcer haemorrhage.

On Jul, 18, 2026

68,942 people reported to have side effects when taking Naproxen.
Among them, 135 people (0.2%) have Gastric ulcer haemorrhage.

Could Naproxen cause Gastric ulcer haemorrhage?

Among these 135 people:

How long have people been on Naproxen when they have Gastric ulcer haemorrhage? *

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What is the gender of people who have Gastric ulcer haemorrhage when taking Naproxen? *

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What is the age of people who have Gastric ulcer haemorrhage when taking Naproxen? *

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* Approximation only. Some reports may have incomplete information.

Do you take Naproxen and have Gastric ulcer haemorrhage?

- Check whether Gastric ulcer haemorrhage 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 (72,032 reports)

Gastric ulcer haemorrhage treatments and more:

Gastric ulcer haemorrhage (8,581 reports)

How severe was Gastric ulcer haemorrhage and when was it recovered:

Gastric ulcer haemorrhage in Naproxen

Expand to all the drugs that have ingredients of naproxen:

Gastric ulcer haemorrhage and drugs with ingredients of naproxen (166 reports)

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

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 Gastric ulcer haemorrhage:

Gastric ulcer haemorrhage (606 drugs)

Browse all the conditions that are associated with Gastric ulcer haemorrhage:

Gastric ulcer haemorrhage (822 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.