Drug interactions
Clopidogrel + Topiramate
Severity: Minor
Clopidogrel 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 a CYP2C19 inhibitor. The net effect on clopidogrel activation is small and probably clinically insignificant.
What this interaction means in plain words
Clopidogrel 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.
Clopidogrel belongs to Cardiovascular; Topiramate belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction may increase clopidogrel activation, while CYP2C19 inhibition could reduce it; net effect uncertain.
What to do
No routine adjustment; monitor for bleeding or reduced antiplatelet effect if clinical concern arises.
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 Clopidogrel
Other interactions of Topiramate
Frequently asked questions
Can I take Clopidogrel with Topiramate?
MediHelp rates the interaction as minor. Clopidogrel 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 a CYP2C19 inhibitor. The net effect on clopidogrel activation is small and probably clinically insignificant.
How serious is the interaction between Clopidogrel 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; monitor for bleeding or reduced antiplatelet effect if clinical concern arises.
What other medicines interact with Clopidogrel?
MediHelp also lists interactions of Clopidogrel with, for example, Ombitasvir / paritaprevir / ritonavir and dasabuvir, Abrocitinib, Acetylsalicylic acid. The full list is on the Clopidogrel page.
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