Warfarin is metabolized by CYP450, and rifampicin is CYP450 inducer. Administration of warfarin and rifampicin together will
A) Rifampicin will decrease therapeutic effectiveness of warfarin
B) Rifampicin will increase the side effect of warfarin
C) Rifampicin of no effect on therapeutic effect of warfarin
D) Both A and B
Correct Answer:
Verified
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