Drug interactions
Dapsone + Topiramate
Severity: Minor
Dapsone and Topiramate: 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
Topiramate is a weak CYP3A4 inducer at higher doses and might slightly reduce dapsone exposure. No meaningful clinical effect has been documented.
What this interaction means in plain words
Dapsone and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dapsone belongs to Anti Bacterial; Topiramate belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction by topiramate may increase dapsone clearance.
What to do
No routine action required; reassess dapsone response if efficacy seems reduced.
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?
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Other interactions of Dapsone
- Bcg vaccine live + Dapsone Major
- Dapsone + Primaquine Major
- Apalutamide + Dapsone Moderate
- Belzutifan + Dapsone Moderate
- Bosentan + Dapsone Moderate
- Bupivacaine implant + Dapsone Moderate
Other interactions of Topiramate
Frequently asked questions
Can I take Dapsone with Topiramate?
MediHelp rates the interaction as minor. Dapsone and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Topiramate is a weak CYP3A4 inducer at higher doses and might slightly reduce dapsone exposure. No meaningful clinical effect has been documented.
How serious is the interaction between Dapsone and Topiramate?
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 routine action required; reassess dapsone response if efficacy seems reduced.
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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