Sulfasalazine and Psoriasis - a phase IV clinical study of FDA data


Psoriasis is found among people who take Sulfasalazine, especially for people who are female, 50-59 old, have been taking the drug for 1 - 6 months.

The phase IV clinical study analyzes which people take Sulfasalazine and have Psoriasis. It is created by eHealthMe based on reports of 79,392 people who have side effects when taking Sulfasalazine from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Oct, 19, 2022

79,392 people reported to have side effects when taking Sulfasalazine.
Among them, 1,883 people (2.37%) have Psoriasis.

What is Sulfasalazine?

Sulfasalazine has active ingredients of sulfasalazine. It is often used in rheumatoid arthritis. eHealthMe is studying from 80,431 Sulfasalazine users for its effectiveness, alternative drugs and more.

What is Psoriasis?

Psoriasis (immune-mediated disease that affects the skin) is found to be associated with 2,266 drugs and 1,580 conditions by eHealthMe.

Number of Sulfasalazine and Psoriasis reports submitted per year:

Could Sulfasalazine cause Psoriasis?

Time on Sulfasalazine when people have Psoriasis *:

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Gender of people who have Psoriasis when taking Sulfasalazine*:

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Age of people who have Psoriasis when taking Sulfasalazine *:

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Common drugs people take besides Sulfasalazine *:

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Common side effects people have besides Psoriasis *:

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Common conditions people have *:

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* Approximation only. Some reports may have incomplete information.

Do you take Sulfasalazine and have Psoriasis?

Check whether Psoriasis is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related publications that referenced our studies

Related studies

How severe was Psoriasis and when was it recovered:

Expand to all the drugs that have ingredients of sulfasalazine:

Alternative drugs to, pros and cons of Sulfasalazine:

Common Sulfasalazine side effects:

Browse all side effects of Sulfasalazine:

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Psoriasis treatments and more:

COVID vaccines that are related to Psoriasis:

Common drugs associated with Psoriasis:

All the drugs that are associated with Psoriasis:

Common conditions associated with Psoriasis:

All the conditions that are associated with Psoriasis:

How the study uses the data?

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

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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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