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

Summary:

Headache is reported as a side effect among people who take Trexall (methotrexate sodium), especially for people who are female, 50-59 old, also take Enbrel, and have Psoriasis.

The phase IV clinical study analyzes which people have Headache when taking Trexall. It is created by eHealthMe based on reports of 1,394 people who have side effects when taking Trexall from the FDA, and is updated regularly.

What is Trexall?

Trexall has active ingredients of methotrexate sodium. It is often used in rheumatoid arthritis. eHealthMe is studying from 1,439 Trexall users. Check the latest studies of Trexall.

What is Headache?

Headache (pain in head) is found to be associated with 3,754 drugs and 5,775 conditions by eHealthMe. Check the latest studies of Headache.

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 Jul, 27, 2026

1,394 people reported to have side effects when taking Trexall.
Among them, 73 people (5.24%) have Headache.

Among these 73 people:

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

female: 81.69 %
male: 18.31 %

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

What are other drugs people take besides Trexall? *

What are other side effects people have besides Headache? *

Fatigue (feeling of tiredness): 18 people, 24.66%
Pain: 17 people, 23.29%
Joint Pain: 14 people, 19.18%
Nausea (feeling of having an urge to vomit): 13 people, 17.81%
Injection Site Pain: 11 people, 15.07%
Injection Site Erythema (redness at injection site): 8 people, 10.96%
Drug Ineffective: 8 people, 10.96%
Neck Pain: 7 people, 9.59%
The Flu (the flu is caused by an influenza virus): 7 people, 9.59%
Nausea And Vomiting: 7 people, 9.59%

What are the existing conditions these people have? *

Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 10 people, 13.70%
Psoriasis (immune-mediated disease that affects the skin): 10 people, 13.70%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 6 people, 8.22%
Muscle Spasms (muscle contraction): 4 people, 5.48%
Fibromyalgia (a long-term condition which causes pain all over the body): 3 people, 4.11%
High Blood Pressure: 2 people, 2.74%
Juvenile Arthritis (arthritis-related condition that develops in children or teenagers): 2 people, 2.74%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 2 people, 2.74%
Pain: 2 people, 2.74%
Back Pain: 2 people, 2.74%

* Approximation only. Some reports may have incomplete information.

Do you take Trexall 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 Trexall:

Trexall (1,439 reports)

Headache treatments and more:

Headache (756,642 reports)

Browse all side effects of Trexall:

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 (3,754 drugs)

Browse all the conditions that are associated with Headache:

Headache (5,775 conditions)

Related publications that referenced our studies

Henien M, Carey B, Hullah E, Sproat C, Patel V, "methotrexate-associated osteonecrosis of the jaw: A report of two cases", Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2017 Dec .
Henien M, Carey B, Hullah E, Sproat C, Patel V, "methotrexate-associated osteonecrosis of the jaw: A report of two cases", Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2017 Dec .

How the study uses the data?

The study uses data from the FDA. It is based on methotrexate sodium (the active ingredients of Trexall) and Trexall (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.