A 39-year-old member asked:
do the side effects of coumadin (warfarin) build up over time? are there long term side effects?
2 doctor answers
Dr. Riga Pemba answered
28 years experience Internal Medicine
Should not: Coumarin is take for certain medical problems and it works by thinning the blood to prevent blood clots. It works by inhibiting certain blood clotting factors. As soon as one stops taking the coumarin the blood regains it's usual clotting abilities. It usually takes about 48 to 72 hours to replenish these factors leaving no long term side effects.
Answered on Jun 6, 2013
A Verified Doctor answered
A US doctor answered Learn more
Not really: The major side effect of Coumadin (warfarin) is bleeding from too much or getting another blood clot from too little. As long as your INR is between 2-3 and stays that way, you risk of bleeding or further clotting should not change--no matter how long you take it. Once you are off of Coumadin (warfarin) for 5 days or less, its effects should be gone, as dr. Penba said.
Answered on Jan 24, 2019
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