Active Ingredient

Dapsone

Dapsone is a medication used primarily for its antibacterial and anti-inflammatory properties. It is commonly prescribed for certain skin conditions and infections.

This medicine can help manage symptoms and improve quality of life for those with specific medical conditions.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Dapsone Brands

Dapsone

Strengths 100mg

Dapsone Uses

Dapsone is used to treat a variety of conditions due to its antibacterial and anti-inflammatory effects.

Leprosy
Dermatitis herpetiformis
Acne
Pneumocystis pneumonia (as part of combination therapy)
Other skin infections and conditions as advised by a doctor

How Dapsone Works

Dapsone works by reducing inflammation and preventing the growth of bacteria. It is effective against certain types of bacteria that cause infections.

As an anti-inflammatory, it helps to decrease swelling and redness in skin conditions.

It is often used in combination with other medications to enhance its effectiveness.

Common side effects of Dapsone

Not everyone experiences side effects with Dapsone, and many side effects are mild and temporary.

Nausea
Headache
Dizziness
Rash
Stomach upset
Anemia

If you experience any serious or persistent symptoms, contact your doctor.

Monitor for any unusual symptoms and report them to your healthcare provider.
Avoid consuming large amounts of alcohol while taking this medication.
Inform your doctor about any other medications or supplements you are taking to avoid interactions.
Do not use Dapsone if you have a known allergy to it.
Seek medical advice if you experience symptoms like severe skin rash or difficulty breathing.

Always consult your doctor for personalized medical advice.

Frequently Asked Questions

What conditions does Dapsone treat?

Dapsone is used to treat conditions like leprosy, dermatitis herpetiformis, and certain skin infections.

How does Dapsone work?

Dapsone works by reducing inflammation and preventing the growth of bacteria, helping to manage symptoms of various conditions.

Can I drink alcohol while taking Dapsone?

It is advisable to avoid large amounts of alcohol while taking Dapsone, as it may increase the risk of side effects.

What should I do if I miss a dose?

If you miss a dose, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose and continue with your regular schedule.

Are there any interactions with other medications?

Dapsone can interact with other medications. Inform your doctor about all the medications you are taking to avoid interactions.