A provider has ordered oral voriconazole [Vfend] for a patient who has a systemic fungal infection. The nurse obtains a medication history and learns that the patient takes phenobarbital for seizures. The nurse will contact the provider to discuss which possibility?

Question

Quizplus · Accepted Answer

Voriconazole can interact with many drugs. It should not be combined with drugs that are powerful P450 inhibitors, including phenobarbital, because these can reduce the levels of voriconazole. Administering the voriconazole IV will not increase the serum level. It is not correct to reduce the dose of either drug.

A Provider Has Ordered Oral Voriconazole [Vfend] for a Patient