Sulfasalazine and Drug ineffective - a phase IV clinical study of FDA data
Summary:
Drug ineffective is found among people who take Sulfasalazine, especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months.
The phase IV clinical study analyzes which people take Sulfasalazine and have Drug ineffective. 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.
79,392 people reported to have side effects when taking Sulfasalazine.
Among them, 35,158 people (44.28%) have Drug ineffective.
What is Sulfasalazine?
Sulfasalazine has active ingredients of sulfasalazine. It is often used in rheumatoid arthritis. eHealthMe is studying from 80,466 Sulfasalazine users for its effectiveness, alternative drugs and more.
What is Drug ineffective?
Drug ineffective is found to be associated with 4,491 drugs and 5,034 conditions by eHealthMe.
Number of Sulfasalazine and Drug ineffective reports submitted per year:

Time on Sulfasalazine when people have Drug ineffective *:
Gender of people who have Drug ineffective when taking Sulfasalazine*:
Age of people who have Drug ineffective when taking Sulfasalazine *:
Common drugs people take besides Sulfasalazine *:
Common side effects people have besides Drug ineffective *:
Common conditions people have *:
* Approximation only. Some reports may have incomplete information.
Do you take Sulfasalazine and have Drug ineffective?
Check whether Drug ineffective is associated with a drug or a conditionHow 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 studies
How severe was Drug ineffective and when was it recovered:
Expand to all the drugs that have ingredients of sulfasalazine:
- Drug ineffective and drugs with ingredients of sulfasalazine (25,116 reports)
Alternative drugs to, pros and cons of Sulfasalazine:
- Sulfasalazine (80,466 reports)
Common Sulfasalazine side effects:
- Drug ineffective: 35,158 reports
- Rheumatoid arthritis (a chronic progressive disease causing inflammation in the joints): 22,458 reports
- Pain: 16,456 reports
- Joint pain: 13,724 reports
- Joint swelling: 13,386 reports
- Fatigue (feeling of tiredness): 12,630 reports
- Rashes (redness): 11,163 reports
Browse all side effects of Sulfasalazine:
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 zDrug ineffective treatments and more:
- Drug ineffective (1,151,482 reports)
COVID vaccines that are related to Drug ineffective:
- Drug ineffective in Moderna COVID Vaccine
- Drug ineffective in Pfizer BioNTech Covid Vaccine
- Drug ineffective in Johnson and Johnson Covid Vaccine
Common drugs associated with Drug ineffective:
- Methotrexate: 104,668 reports
- Humira: 93,489 reports
- Enbrel: 90,931 reports
- Prednisone: 66,683 reports
- Xeljanz: 48,562 reports
- Orencia: 47,976 reports
- Adapalene: 45,683 reports
- Actemra: 40,430 reports
- Remicade: 37,128 reports
- Sulfasalazine: 35,158 reports
All the drugs that are associated with Drug ineffective:
- Drug ineffective (4,491 drugs)
Common conditions associated with Drug ineffective:
- Rheumatoid arthritis: 123,880 reports
- Pain: 40,150 reports
- Psoriasis: 33,532 reports
- High blood pressure: 31,954 reports
- Multiple sclerosis: 25,819 reports
- Depression: 24,053 reports
All the conditions that are associated with Drug ineffective:
- Drug ineffective (5,034 conditions)
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, 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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