A member asked:

Could smoking affect how blood thinners work?

5 doctors weighed in across 2 answers
Dr. Pedro Hernandez answered

Specializes in 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 11/10/2020

6.1k views

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Dr. Jason Boyer answered

Specializes in 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 11/10/2020

5.4k views

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