Drug Identity
Active Ingredient
Dapsone
Chemical Class
Sulfonylbenzeamine
Pharmacological Group
on the basis of mechanism of action and also cl...
ATC Code
D10AX05, J04BA02
Status
Essential Medicine
What is Dapsin?
Uses
Dapsone is an anti-infective medicine that fights bacteria. Dapsone is used to treat dermatitis herpetiformis (a skin condition) and lepr...
How It Works
Chemical Class
Sulfonylbenzeamine
Pharmacological Group
on the basis of mechanism of action and also classified in Leprostatic pharmacological group
Dapsone is a synthetic derivative of diamino-sulfone. Biogen is the derivative of Dapsone. It is of Synthetic origin and belongs to Sulfonylbenzeamine. It belongs to Dihydropteroate synthetase inhibitor pharmacological group on the basis of mechanism of action and also classified in Leprostatic pharmacological group. The Molecular Weight of Dapsone is 248.30. Its pKa is 1.3-2.5.
How to Take It
1
Adult · PO
50 to 100 mg — 24 hourly
2
Adult
Scraped Dose
Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for
3
Child · Oral
50 mg/kg — 24 hourly
Safety Alerts
You should not use dapsone if you are allergic to it
To make sure dapsone is safe for you, tell your doctor if you have: a genetic enzyme deficiency called glucose-6-phosphate dehydrogenase (G6PD) deficiency
methemoglobin reductase deficiency (hemoglobin M)
FDA pregnancy category C
It is not known whether dapsone will harm an unborn baby
Important Warnings
Follow all directions on your medicine label and package
Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use
Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction : hivesdifficult breathingswelling of your facelipstongueor throat. Dapsone may cause serious side effects. Call your doctor at once if you have: worsening or no improvement in your symptomsjaundice (yellowing of the skin or eyes)numbness or tingling in your hands or feetunusual thoughts or behaviornew or worsening coughfevertrouble breathingswellingrapid weight gainlittle or no urinating
Drug Interactions
Other drugs may interact with dapsone
including prescription and over-the-counter medicines
vitamins
and herbal products . Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Storage
Tab Store in a well closed container, at room temperature. Protect from Sunlight.
Price Intelligence
Rs 19.01
DRAP approved maximum price · per pack of 10 · approved 04 Sep, 2025
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper pack of 10Rs 19.01
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