Tag: INR changes with birth control

Estrogen Interactions with Warfarin: What You Need to Know About Bleeding Risk and Dose Changes
By Celia Rawdon
Estrogen Interactions with Warfarin: What You Need to Know About Bleeding Risk and Dose Changes

Estrogen can raise or lower your INR while on warfarin, increasing bleeding or clotting risk. Learn how birth control, HRT, and genetics affect your dose, what to watch for, and how to stay safe.