Dapsone - Uses - Dosages - Side Effects - Precautions

Dapsone: Frequently Asked Questions Answered

What is Dapsone?

Dapsone is an antibiotic that is used for treating general infections and skin infections caused by bacteria. It is not effective against viral infections. Dapsone is a sulfonamide drug, which means it has sulfa as a component. It also has anti-inflammatory properties that help treat certain skin conditions like acne. It is available both as an oral drug form and topical application form.

What are the uses of Dapsone?

Dapsone is mainly used to treat skin conditions and some systemic infections. Dapsone, along with other antibiotics, is used as a first-line treatment in leprosy. The tablet form is used in treating moderate to severe forms of acne, and the topical application is just as effective with lesser side effects. It is also used in treating dermatitis herpetiformis and other autoimmune skin conditions. It is prescribed to treat pneumonia in people with weakened immune systems.

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What are the side effects of Dapsone?

Some common side effects are 

  • Nausea
  • Vomiting  
  • Insomnia 
  • Rash 
  • Blurred vision 
  • Allergic reactions
  • Pain in back, legs, and stomach

Some rare side effects are

  • Numbness and tingling in hands and feet
  • Signs of an abnormal count of blood cells
  • Mood changes
  • Jaundice or yellowing of the skin and eyes
  • Joint pain or swelling


Frequently Asked Questions about Dapsone

1. Is there a generic for dapsone?

Yes, dapsone is available as a generic drug. The generic version of the drug will be much cheaper than the brand version. Unless there are certain reasons for using the brand version of dapsone, the generic medication works just as well and has better value.

2. How long does it take for dapsone to work?

The topical form of dapsone can take up to 12 weeks to show its effects on skin conditions like acne. When the oral form of dapsone is taken for various autoimmune conditions like dermatitis herpetiformis, it can take 3 to 5 days to see improvement.

3. Does dapsone cause weight gain?

Swelling, little or no urination, and rapid weight gain are a few of the side effects of using dapsone. These are rare and serious side effects. But if you are experiencing any of these side effects, stop taking the drug immediately.

4. Does dapsone lower your immune system?

No, it does not lower your immune system. It is an antibiotic that fights infection when the immune system is weak. Dapsone is used for preventing and treating a particular type of pneumonia in patients with weak immune systems.

5. How long does Dapsone stay in your system?

Dapsone is removed from our system by the liver through a complicated and multistep process. It has a long half-life of 10 to 50 hours, which means it takes the liver 10-50 hours to remove half of the amount of the drug from our system.

6. Is Dapsone a steroid?

No, dapsone is not a steroid. It is an antibiotic that is used for treating various infections, autoimmune disorders, and skin conditions. It also has anti-inflammatory properties, which are similar to steroids.

7. Is dapsone a sulfa drug?

Yes, dapsone is a sulfa drug. The sulfa drugs are also called sulfonamides. There are medications other than antibiotics that have sulfa as their component. All these sulfa drugs can cause mild to severe allergic reactions in some people.

8. Is dapsone safe?

Dapsone is the first-line treatment in leprosy and other conditions. It is a safe and effective antibiotic when used in prescribed doses. There are common and some rare side effects associated with it. If you experience any of them, then consult a doctor immediately.

9. Can dapsone be safe in pregnancy?

A study has shown that women who took dapsone through all three trimesters did not experience any increased risk that caused abnormalities in the fetus. Dapsone is only given to patients during pregnancy when the benefits outweigh the adverse effects.

10. What can you not mix with dapsone?

Dapsone can interact with a few prescribed drugs, over-the-counter (OTC) drugs, herbal products, and vitamins. It can also interact with other sulfa drugs. Inform your doctor about all the medications you are taking already before taking dapsone.

11. What does dapsone do to the skin?

Dapsone is used for treating many skin conditions like acne, leprosy, dermatitis herpetiformis, etc. It is effective in reducing acne scars and the severity of acne. Its anti-inflammatory property helps calm the skin.

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Disclaimer: The information provided herein is accurate, updated and complete as per the best practices of the Company. Please note that this information should not be treated as a replacement for physical medical consultation or advice. We do not guarantee the accuracy and the completeness of the information so provided. The absence of any information and/or warning to any drug shall not be considered and assumed as an implied assurance of the Company. We do not take any responsibility for the consequences arising out of the aforementioned information and strongly recommend you for a physical consultation in case of any queries or doubts.