A 42-year-old member asked:
could smoking affect how blood thinners work?
2 doctor answers
Dr. Pedro Hernandez answered
39 years experience Geriatrics
Doubt but...: There is no interaction between nicotine patches, gums, inhalers and warfarin. But remember that smoking has a vasoconstrictor effect in all organs promoting angina or worsening arterial disease.
Answered on Oct 1, 2018
Dr. Jason Boyer answered
17 years experience Orthopedic Surgery
Yes: Smoking increases the risk of a blood clot forming in blood vessels in all smokers. If that smoker is taking a blood thinner already, the blood thinner may not work as well as a person on the same blood thinner who is not smoking. Blood thinners are not a guarantee that blood clots will not form, but. Smoking further increases that risk.
Answered on Nov 20, 2019
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