Tecfidera and Ranitidine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Tecfidera (dimethyl fumarate) and Ranitidine (ranitidine). Common drug interactions include hypoaesthesia among females and flushing among males.

The phase IV clinical study analyzes what interactions people have when they take Tecfidera and Ranitidine. It is created by eHealthMe based on reports of 381 people who take the same drugs from the FDA, and is updated regularly.

What is Tecfidera?

Tecfidera has active ingredients of dimethyl fumarate. It is often used in multiple sclerosis. eHealthMe is studying from 129,627 Tecfidera users. Check the latest studies of Tecfidera.

What is Ranitidine?

Ranitidine has active ingredients of ranitidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 234,475 Ranitidine users. Check the latest studies of Ranitidine.



On Jul, 18, 2026

381 people who take Tecfidera and Ranitidine together, and have interactions are studied.

Tecfidera and Ranitidine drug interactions.

What are the common drug interactions of Tecfidera and Ranitidine, by gender? *

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What are the common drug interactions of Tecfidera and Ranitidine, by age (0-1 to 60+)? *

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What are the existing conditions these people have? *

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* Approximation only. Some reports may have incomplete information.

Do you take Tecfidera and Ranitidine?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Tecfidera and Ranitidine:

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Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Tecfidera:

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Browse all side effects of Ranitidine:

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Browse all interactions between Tecfidera and drugs from A to Z:

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Browse all interactions between Ranitidine and drugs from A to Z:

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How the study uses the data?

The study uses data from the FDA. It is based on dimethyl fumarate and ranitidine (the active ingredients of Tecfidera and Ranitidine, respectively), and Tecfidera and Ranitidine (the brand names). 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.



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