Naproxen and Mediastinal mass - a phase IV clinical study of FDA data

Summary:

Mediastinal mass is reported as a side effect among people who take Naproxen (naproxen), especially for people who are female, 60+ old, also take Methotrexate, and have Breast cancer.

The phase IV clinical study analyzes which people have Mediastinal mass 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 72,034 Naproxen users. Check the latest studies of Naproxen.

What is Mediastinal mass?

Mediastinal mass (mass in the part of the chest that separates the lungs) is found to be associated with 106 drugs and 171 conditions by eHealthMe. Check the latest studies of Mediastinal mass.

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, 30, 2026

68,942 people reported to have side effects when taking Naproxen.
Among them, 12 people (0.02%) have Mediastinal mass.

Among these 12 people:

What is the gender of people who have Mediastinal mass when taking Naproxen? *

female: 100 %
male: 0.0 %

What is the age of people who have Mediastinal mass when taking Naproxen? *

What are other drugs people take besides Naproxen? *

What are other side effects people have besides Mediastinal mass? *

Depression: 12 people, 100.00%
Haemorrhoids (a swollen vein or group of veins in the region of the anus): 11 people, 91.67%
Joint Swelling: 10 people, 83.33%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 10 people, 83.33%
Cardiac Disorder: 10 people, 83.33%
Deformity (disfigurement): 10 people, 83.33%
Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body): 10 people, 83.33%
Dyslipidaemia (abnormal amount of lipids): 10 people, 83.33%
Fibroadenoma Of Breast (breast lump): 10 people, 83.33%
Fibrocystic Breast Disease (a condition causing breast pain, cysts, and noncancerous breast lumps, affects many women): 10 people, 83.33%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 8.33%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 1 person, 8.33%
Breast Cancer Female: 1 person, 8.33%
Breast Cancer: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Naproxen and have Mediastinal mass?

- Check whether Mediastinal mass 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 (72,034 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 Mediastinal mass:

Mediastinal mass (106 drugs)

Browse all the conditions that are associated with Mediastinal mass:

Mediastinal mass (171 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.