Mefenamic acid and Eosinophil count increased - a phase IV clinical study of FDA data

Summary:

Eosinophil count increased is reported as a side effect among people who take Mefenamic acid (mefenamic acid), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Paracetamol, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Eosinophil count increased when taking Mefenamic acid. It is created by eHealthMe based on reports of 4,738 people who have side effects when taking Mefenamic acid from the FDA, and is updated regularly.

What is Mefenamic acid?

Mefenamic acid has active ingredients of mefenamic acid. It is often used in painful menstrual periods. eHealthMe is studying from 4,844 Mefenamic acid users. Check the latest studies of Mefenamic acid.

What is Eosinophil count increased?

Eosinophil count increased is found to be associated with 769 drugs and 1,130 conditions by eHealthMe. Check the latest studies of Eosinophil count increased.

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, 24, 2026

4,738 people reported to have side effects when taking Mefenamic acid.
Among them, 32 people (0.68%) have Eosinophil count increased.

Could Mefenamic acid cause Eosinophil count increased?

Among these 32 people:

How long have people been on Mefenamic acid when they have Eosinophil count increased? *

What is the gender of people who have Eosinophil count increased when taking Mefenamic acid? *

female: 100 %
male: 0.0 %

What is the age of people who have Eosinophil count increased when taking Mefenamic acid? *

What are other drugs people take besides Mefenamic acid? *

Paracetamol: 12 people, 37.50%
Zopiclone: 7 people, 21.88%
Benadryl: 7 people, 21.88%
Zantac: 7 people, 21.88%
Gilenya: 6 people, 18.75%
Ditropan: 5 people, 15.62%
Septra: 5 people, 15.62%
Remeron: 5 people, 15.62%
Prednisone: 4 people, 12.50%
Cetirizine Hydrochloride: 4 people, 12.50%

What are other side effects people have besides Eosinophil count increased? *

Lymphocyte Count Decreased: 20 people, 62.50%
Cough: 14 people, 43.75%
Fever: 14 people, 43.75%
Headache (pain in head): 13 people, 40.62%
C-Reactive Protein Increased: 12 people, 37.50%
Joint Pain: 12 people, 37.50%
Drug-Induced Liver Injury (diseases of the liver that are caused by physician-prescribed medications): 10 people, 31.25%
Haematocrit Decreased: 10 people, 31.25%
Neutrophil Count Increased (excess than normal number of neutrophil a type of blood cell): 10 people, 31.25%
White Blood Cells Urine Positive: 9 people, 28.12%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 10 people, 31.25%
Headache (pain in head): 9 people, 28.12%
Joint Pain: 7 people, 21.88%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 6 people, 18.75%
Insomnia (sleeplessness): 5 people, 15.62%
Hypertonic Bladder (bladder-storage function that causes a sudden urge to urinate): 5 people, 15.62%
Asthma: 5 people, 15.62%
Cough: 5 people, 15.62%
Depression: 5 people, 15.62%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 5 people, 15.62%

* Approximation only. Some reports may have incomplete information.

Do you take Mefenamic acid and have Eosinophil count increased?

- Check whether Eosinophil count increased 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 Mefenamic acid:

Mefenamic acid (4,844 reports)

Browse all side effects of Mefenamic acid:

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 Eosinophil count increased:

Eosinophil count increased (769 drugs)

Browse all the conditions that are associated with Eosinophil count increased:

Eosinophil count increased (1,130 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on mefenamic acid (the active ingredients of Mefenamic acid) and Mefenamic acid (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.