Isoniazid and Scab - a phase IV clinical study of FDA data

Summary:

Scab is reported as a side effect among people who take Isoniazid (isoniazid), especially for people who are male, 60+ old, also take Vitamin B6, and have Psoriasis.

The phase IV clinical study analyzes which people have Scab when taking Isoniazid. It is created by eHealthMe based on reports of 19,852 people who have side effects when taking Isoniazid from the FDA, and is updated regularly.

What is Isoniazid?

Isoniazid has active ingredients of isoniazid. It is often used in tuberculosis. eHealthMe is studying from 20,174 Isoniazid users. Check the latest studies of Isoniazid.

What is Scab?

Scab (a hard coating on the skin formed during the wound healing) is found to be associated with 840 drugs and 1,081 conditions by eHealthMe. Check the latest studies of Scab.

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 Aug, 29, 2026

19,852 people reported to have side effects when taking Isoniazid.
Among them, 12 people (0.06%) have Scab.

Among these 12 people:

What is the gender of people who have Scab when taking Isoniazid? *

female: 16.67 %
male: 83.33 %

What is the age of people who have Scab when taking Isoniazid? *

What are other drugs people take besides Isoniazid? *

What are other side effects people have besides Scab? *

Rashes (redness): 10 people, 83.33%
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure): 7 people, 58.33%
Skin Exfoliation (removal of the oldest dead skin cells): 4 people, 33.33%
Peripheral Swelling: 4 people, 33.33%
Nail Disorder (disease of nail): 3 people, 25.00%
Musculoskeletal Stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves): 3 people, 25.00%
Drug Ineffective: 3 people, 25.00%
Erythema Multiforme (a type of hypersensitivity reaction): 3 people, 25.00%
Weakness: 3 people, 25.00%
Onychoclasis (breaking of the nails): 3 people, 25.00%

What are the existing conditions these people have? *

Psoriasis (immune-mediated disease that affects the skin): 4 people, 33.33%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 16.67%
Seasonal Allergy (allergic condition due to certain season): 1 person, 8.33%
Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 1 person, 8.33%
Pain: 1 person, 8.33%
Nausea (feeling of having an urge to vomit): 1 person, 8.33%
Lupus Vulgaris (a chronic inflammatory autoimmune disorder that may caused by the mycobacterium tuberculosis): 1 person, 8.33%
Herpes Zoster: 1 person, 8.33%
Gastroenteritis (inflammation of stomach and intestine): 1 person, 8.33%
Eye Disorder: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Isoniazid and have Scab?

- Check whether Scab 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 Isoniazid:

Isoniazid (20,174 reports)

Scab treatments and more:

Scab (12,679 reports)

Browse all side effects of Isoniazid:

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 Scab:

Scab (840 drugs)

Browse all the conditions that are associated with Scab:

Scab (1,081 conditions)

Related publications that referenced our studies

Ganguly, R. J., Abraham, R. R., Prasad, R., & Rao, B. C, "Hyperglycaemia induced by isoniazid preventive therapy", Journal of Family Medicine and Primary Care, 2018 Jan .
Ganguly, R. J., Abraham, R. R., Prasad, R., & Rao, B. C, "Hyperglycaemia induced by isoniazid preventive therapy", Journal of Family Medicine and Primary Care, 2018 Jan .

How the study uses the data?

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