Drug interactions
Maraviroc + Topiramate
Severity: Minor
Maraviroc 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 at most a weak CYP3A4 inducer, so a clinically meaningful drop in maraviroc exposure is not expected. Any effect would be small and is largely theoretical.
What this interaction means in plain words
Maraviroc 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.
Maraviroc belongs to Anti Virals; Topiramate belongs to Central Nervous System.
Why it happens
Weak, dose-dependent CYP3A4 induction by topiramate could slightly increase maraviroc metabolism, but this is not well established.
What to do
No routine dose change is needed. Monitor HIV viral load as usual if both drugs are used long term.
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 Topiramate
Other interactions of Maraviroc
- Amobarbital + Maraviroc Major
- Apalutamide + Maraviroc Major
- Carbamazepine + Maraviroc Major
- Clarithromycin + Maraviroc Major
- Efavirenz + Maraviroc Major
- Enzalutamide + Maraviroc Major
Frequently asked questions
Can I take Maraviroc with Topiramate?
MediHelp rates the interaction as minor. Maraviroc 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 at most a weak CYP3A4 inducer, so a clinically meaningful drop in maraviroc exposure is not expected. Any effect would be small and is largely theoretical.
How serious is the interaction between Maraviroc 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 dose change is needed. Monitor HIV viral load as usual if both drugs are used long term.
What other medicines interact with Topiramate?
MediHelp also lists interactions of Topiramate with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Topiramate page.
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