Feverfew and Headache - a phase IV clinical study of FDA data

Summary:

Headache is reported as a side effect among people who take Feverfew (feverfew), especially for people who are female, 60+ old, have been taking the drug for 5 - 10 years also take Toradol, and have Narcolepsy.

The phase IV clinical study analyzes which people have Headache when taking Feverfew. It is created by eHealthMe based on reports of 181 people who have side effects when taking Feverfew from the FDA, and is updated regularly.

What is Feverfew?

Feverfew has active ingredients of feverfew. It is often used in migraine. eHealthMe is studying from 217 Feverfew users. Check the latest studies of Feverfew.

What is Headache?

Headache (pain in head) is found to be associated with 3,746 drugs and 5,768 conditions by eHealthMe. Check the latest studies of Headache.

On Jul, 09, 2026

181 people reported to have side effects when taking Feverfew.
Among them, 21 people (11.6%) have Headache.

Among these 21 people:

How long have people been on Feverfew when they have Headache? *

What is the gender of people who have Headache when taking Feverfew? *

female: 58.82 %
male: 41.18 %

What is the age of people who have Headache when taking Feverfew? *

What are other drugs people take besides Feverfew? *

What are other side effects people have besides Headache? *

Abdominal Discomfort: 6 people, 28.57%
Weight Increased: 6 people, 28.57%
Haematochezia (passage of stools containing blood): 6 people, 28.57%
Polyp: 6 people, 28.57%
Abdominal Pain Lower: 6 people, 28.57%
High Blood Pressure: 5 people, 23.81%
Fall: 4 people, 19.05%
Neck Pain: 4 people, 19.05%
Pain In Extremity: 4 people, 19.05%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 19.05%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 14.29%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 2 people, 9.52%
Pain: 2 people, 9.52%
Drowsiness: 2 people, 9.52%
Stress And Anxiety: 1 person, 4.76%
Fever: 1 person, 4.76%
Asthma: 1 person, 4.76%
Atrophic Vulvovaginitis (inflammation of the vulva): 1 person, 4.76%
Chest Pain: 1 person, 4.76%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Feverfew and have Headache?

- Check whether Headache 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 Feverfew:

Feverfew (217 reports)

Headache treatments and more:

Headache (756,642 reports)

Browse all side effects of Feverfew:

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 Headache:

Headache (3,746 drugs)

Browse all the conditions that are associated with Headache:

Headache (5,768 conditions)

How the study uses the data?

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