A patient who takes the anticoagulant warfarin will begin taking the anticonvulsant drug carbamazepine. The nurse reviews the drug information for these drugs and learns that carbamazepine is a hepatic enzyme inducer. The nurse anticipates that which of the following may be required?

Question

Quizplus · Accepted Answer

Carbamazepine is a hepatic enzyme inducer, which means it can increase the metabolism of drugs metabolized by the liver, such as warfarin. As a result, the effectiveness of warfarin may be reduced, and an increase in the dose of warfarin may be required to maintain its anticoagulant effect.

A Patient Who Takes the Anticoagulant Warfarin Will Begin Taking