Moderate risk
Antiarrhythmics
- 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.