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A 20-year-old male asked:

Is it safe to use coumadin (warfarin) and propranolol at the same time? i use coumadin (warfarin) because of an old dvt. no clotting disorders.

2 doctor answers3 doctors weighed in
Dr. Bryant Cary
Pharmacology 9 years experience
Probably: This is a tricky one. The short answer is if you've been on Propranolol a while, and your inr is being monitored, you are okay i take them together. If Propranolol is new or your dose is being changed, it might require some additional monitoring ; maybe dose adjustment of your warfarin if your inr goes outside range. Make sure all your doctors know all your meds.
Dr. John Landi
Phlebology 48 years experience
Yes.: You can safely use both medications together. Coumadin (warfarin) is a blood thinner and Propranolol is a beta blocker. They have different functions and do not interact with each other.

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Last updated Jun 30, 2014


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