Dapsone and Ill-defined disorder - a phase IV clinical study of FDA data

Summary:

Ill-defined disorder is reported as a side effect among people who take Dapsone (dapsone), especially for people who are female, 60+ old, also take Prednisone, and have Type 2 diabetes.

The phase IV clinical study analyzes which people have Ill-defined disorder when taking Dapsone. It is created by eHealthMe based on reports of 11,499 people who have side effects when taking Dapsone from the FDA, and is updated regularly.

What is Dapsone?

Dapsone has active ingredients of dapsone. It is often used in dermatitis herpetiformis. eHealthMe is studying from 11,732 Dapsone users. Check the latest studies of Dapsone.

What is Ill-defined disorder?

Ill-defined disorder is found to be associated with 1,461 drugs and 1,258 conditions by eHealthMe. Check the latest studies of Ill-defined disorder.

On Aug, 01, 2026

11,499 people reported to have side effects when taking Dapsone.
Among them, 43 people (0.37%) have Ill-defined disorder.

Could Dapsone cause Ill-defined disorder?

Among these 43 people:

What is the gender of people who have Ill-defined disorder when taking Dapsone? *

female: 64.71 %
male: 35.29 %

What is the age of people who have Ill-defined disorder when taking Dapsone? *

What are other drugs people take besides Dapsone? *

What are other side effects people have besides Ill-defined disorder? *

Weakness: 19 people, 44.19%
Fatigue (feeling of tiredness): 19 people, 44.19%
High Blood Pressure: 18 people, 41.86%
Drug Ineffective: 17 people, 39.53%
Dyspnea (difficult or laboured breathing): 15 people, 34.88%
Fever: 13 people, 30.23%
Weight Decreased: 13 people, 30.23%
Rashes (redness): 12 people, 27.91%
Memory Loss: 11 people, 25.58%
Joint Pain: 10 people, 23.26%

What are the existing conditions these people have? *

Type 2 Diabetes: 8 people, 18.60%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 13.95%
High Blood Pressure: 6 people, 13.95%
Polymyalgia Rheumatica (pain in many muscles): 6 people, 13.95%
Immune System Disorder: 6 people, 13.95%
Insomnia (sleeplessness): 6 people, 13.95%
Pain: 6 people, 13.95%
Pemphigus (any of several acute or chronic skin diseases characterized by groups of itching blisters): 4 people, 9.30%
Urticaria (rash of round, red welts on the skin that itch intensely): 3 people, 6.98%
Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 3 people, 6.98%

* Approximation only. Some reports may have incomplete information.

Do you take Dapsone and have Ill-defined disorder?

- Check whether Ill-defined disorder 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 Dapsone:

Dapsone (11,732 reports)

Browse all side effects of Dapsone:

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 Ill-defined disorder:

Ill-defined disorder (1,461 drugs)

Browse all the conditions that are associated with Ill-defined disorder:

Ill-defined disorder (1,258 conditions)

Related publications that referenced our studies

Semira ZA, Zulfkar Q, Sameem F, "Livedo reticularis associated with dapsone therapy in a patient with chronic urticaria", Indian journal of pharmacology, 2014 Jan .
Semira ZA, Zulfkar Q, Sameem F, "Livedo reticularis associated with dapsone therapy in a patient with chronic urticaria", Indian journal of pharmacology, 2014 Jan .

How the study uses the data?

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