Naproxen and Myopathy aggravated - a phase IV clinical study of FDA data

Summary:

Myopathy aggravated is reported as a side effect among people who take Naproxen (naproxen), especially for people who are male, 50-59 old, also take Allopurinol, and have Reflux gastritis.

The phase IV clinical study analyzes which people have Myopathy aggravated 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 Myopathy aggravated?

Myopathy aggravated (a muscular disease in which the muscle fibres do not function) is found to be associated with 704 drugs and 303 conditions by eHealthMe. Check the latest studies of Myopathy aggravated.

On Aug, 11, 2026

68,942 people reported to have side effects when taking Naproxen.
Among them, 37 people (0.05%) have Myopathy aggravated.

Could Naproxen cause Myopathy aggravated?

Among these 37 people:

What is the gender of people who have Myopathy aggravated when taking Naproxen? *

female: 32.43 %
male: 67.57 %

What is the age of people who have Myopathy aggravated when taking Naproxen? *

What are other drugs people take besides Naproxen? *

What are other side effects people have besides Myopathy aggravated? *

Weakness: 15 people, 40.54%
Pain In Extremity: 10 people, 27.03%
Blood Creatine Phosphokinase Increased: 10 people, 27.03%
Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down): 9 people, 24.32%
Muscle Spasms (muscle contraction): 8 people, 21.62%
Respiratory Acidosis (respiratory failure or ventilatory failure, causes the ph of blood and other bodily fluids to decrease): 7 people, 18.92%
Acute Kidney Failure: 7 people, 18.92%
Injury: 6 people, 16.22%
Rashes (redness): 6 people, 16.22%
Malaise (a feeling of general discomfort or uneasiness): 5 people, 13.51%

What are the existing conditions these people have? *

Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 6 people, 16.22%
Reflux Gastritis (a condition in which the lining of a person's stomach becomes inflamed as a result of exposure to bile): 6 people, 16.22%
High Blood Pressure: 5 people, 13.51%
Hyperlipidaemia (presence of excess lipids in the blood): 5 people, 13.51%
High Blood Cholesterol: 4 people, 10.81%
Burning Sensation: 2 people, 5.41%
Urinary Tract Infection: 2 people, 5.41%
Dyspnea (difficult or laboured breathing): 2 people, 5.41%
Muscle Spasms (muscle contraction): 2 people, 5.41%
Nuclear Magnetic Resonance Imaging Brain: 2 people, 5.41%

* Approximation only. Some reports may have incomplete information.

Do you take Naproxen and have Myopathy aggravated?

- Check whether Myopathy aggravated 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 Myopathy aggravated:

Myopathy aggravated (704 drugs)

Browse all the conditions that are associated with Myopathy aggravated:

Myopathy aggravated (303 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.