Tag: rifampin and DOACs

Rifampin Induction: How It Lowers Anticoagulant and Antiviral Levels

• Cheryl Moran
• December 12, 2025
• 9 Comments

Rifampin can drastically lower levels of anticoagulants and antivirals by inducing liver enzymes, leading to dangerous drops in drug effectiveness. Learn how this interaction works, which drugs are affected, and what to do if you're on both.