Drug interactions
Ranolazine + Topiramate
Severity: Minor
Ranolazine 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 lower ranolazine concentrations. The effect is likely small at usual doses, but antianginal control may be reduced.
What this interaction means in plain words
Ranolazine 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.
Ranolazine belongs to Cardiovascular; Topiramate belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction by topiramate increases ranolazine metabolism.
What to do
No routine adjustment is needed; monitor angina frequency and increase ranolazine dose within the labeled maximum if control worsens.
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 Ranolazine
- Adagrasib + Ranolazine Contraindicated
- Amobarbital + Ranolazine Contraindicated
- Apalutamide + Ranolazine Contraindicated
- Butabarbital + Ranolazine Contraindicated
- Carbamazepine + Ranolazine Contraindicated
- Clarithromycin + Ranolazine Contraindicated
Other interactions of Topiramate
Frequently asked questions
Can I take Ranolazine with Topiramate?
MediHelp rates the interaction as minor. Ranolazine 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 lower ranolazine concentrations. The effect is likely small at usual doses, but antianginal control may be reduced.
How serious is the interaction between Ranolazine 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 adjustment is needed; monitor angina frequency and increase ranolazine dose within the labeled maximum if control worsens.
What other medicines interact with Ranolazine?
MediHelp also lists interactions of Ranolazine with, for example, Adagrasib, Amobarbital, Apalutamide. The full list is on the Ranolazine page.
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