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Drug interactions

Dapsone + Ethanol

Severity: Minor

Dapsone and Ethanol: minor interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Chronic alcohol use may induce CYP2E1 and slightly increase dapsone clearance. The effect is small and of uncertain clinical significance.

What this interaction means in plain words

Dapsone and Ethanol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Ethanol induces CYP2E1, which may marginally enhance dapsone metabolism.

What to do

No dose change is usually required. Counsel on alcohol use given the risk of hepatotoxicity with both.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Dapsone with Ethanol?

MediHelp rates the interaction as minor. Dapsone and Ethanol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chronic alcohol use may induce CYP2E1 and slightly increase dapsone clearance. The effect is small and of uncertain clinical significance.

How serious is the interaction between Dapsone and Ethanol?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is usually required. Counsel on alcohol use given the risk of hepatotoxicity with both.

What other medicines interact with Dapsone?

MediHelp also lists interactions of Dapsone with, for example, Bcg vaccine live, Primaquine, Apalutamide. The full list is on the Dapsone page.

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