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A member asked:

Which antibiotics interfere with coumadin (warfarin)?

A doctor has provided 1 answer

Antibiotics: All antibiotics can interfere with vitamin k production in the gut and therefore it is important to check your inr regardless of the medication.

Dr Fowler agreed

Answered 1/27/2021

5.1k views

Thank

Related Questions

A member asked:

I take warfarin because I have factor v leiden and I've already had my monthly blood test, but my pcp prescribed an antibiotic. Should I retest soon?

9 doctors weighed in across 2 answers

A member asked:

Do antibiotics thin blood if not on warfarin? No Warfarin since Mon due to high INR. Warfarin supposedly stopped 3+ days before need for and 1am Fri start of antibiotic-but I dont trust mom's nursing home! INR still increased-from 5.5 Wed to 6.4 Sat?

A doctor has provided 1 answer

A member asked:

Keep getting uti's with no real reason. On warfarin and antidepressants. Been on antibiotics lots but no solution.

A doctor has provided 1 answer

A member asked:

Warfarin was discontinued, 1 day later INR still 5.5! On day 3 AFTER warfarin discontinued, started antibiotic Bactrim for UTI. Then 2 days later~[now 5 days off warfarin]~INR is checked &lab shows it rose to 6.4! Would you recommend Vit K to correct?

A doctor has provided 1 answer

A member asked:

What happens if i accidently took a Coumadin (warfarin) at 5:30pm and then again at 7:45 am. ?

4 doctors weighed in across 2 answers

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