Generic switching for NTI drugs like warfarin and phenytoin can cause dangerous fluctuations in blood levels, leading to toxicity or treatment failure. Learn why even small differences matter-and what patients and doctors must do to stay safe.
Traveling with blood thinners is safe if you plan ahead. Learn how to manage warfarin or DOACs abroad, stay hydrated, move regularly, avoid risks, and handle emergencies without disrupting your trip.