Drug interactions
Lopinavir + Topiramate
Severity: Minor
Lopinavir 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 and could slightly lower lopinavir exposure. Clinical significance is likely small, but sustained reductions could affect viral suppression.
What this interaction means in plain words
Lopinavir 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.
Lopinavir belongs to Anti Virals; Topiramate belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction by topiramate may increase lopinavir metabolism.
What to do
No routine dose change is needed; monitor HIV viral load during follow-up.
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 Lopinavir
- Alfuzosin + Lopinavir Contraindicated
- Avanafil + Lopinavir Contraindicated
- Cisapride + Lopinavir Contraindicated
- Dronedarone + Lopinavir Contraindicated
- Eletriptan + Lopinavir Contraindicated
- Eplerenone + Lopinavir Contraindicated
Frequently asked questions
Can I take Lopinavir with Topiramate?
MediHelp rates the interaction as minor. Lopinavir 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 and could slightly lower lopinavir exposure. Clinical significance is likely small, but sustained reductions could affect viral suppression.
How serious is the interaction between Lopinavir 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 during follow-up.
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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