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Drug class

Antiarrhythmics and cannabis

These drugs have a narrow therapeutic index, and CYP-mediated shifts in their blood levels are possible.

Moderate risk

Why it happens

These drugs have a narrow therapeutic index, and CYP-mediated shifts in their blood levels are possible.

What it means for you

Levels could drift toward losing effect or toward toxicity, and it is harder to predict which way.

What Tiffany advises

Bring your cardiologist in before you start. Expect closer monitoring in the early weeks.

Common examples

Generic names first, then brands.

  • amiodarone
  • digoxin
  • flecainide

Body systems involved

  • Heart and blood pressure

Take it further

Check this with my other meds

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Other classes at moderate risk

This page describes a drug class from aggregate published knowledge, reviewed by a pharmacist. Your own prescriber or pharmacist knows your doses and history; bring this page to that conversation.