The anticonvulsant/mood stabilizer medication carbamazepine…

The anticonvulsant/mood stabilizer medication carbamazepine is considered a STRONG inducer of the hepatic enzyme CYP3A4. You would like to prescribe the combined oral contraceptive ethinyl estradiol and desogestrel to a patient. Both ethinyl estradiol and desogestrel are substrates for CYP3A4, which is responsible for phase I metabolism. What outcome would be expected if a patient was administered these medications together?

A 38 y/o female is being treated by her dermatologist for pl…

A 38 y/o female is being treated by her dermatologist for plaque psoriasis. She is new to the clinic and your medical assistant completed her medication history. The following medications were recorded: tazarotene (Tazorac) 0.1 % cream daily methotrexate 7.5 mg daily triamcinolone 0.1 % ointment twice daily colloidal oatmeal bath (Aveeno soothing bath treatment) three times weekly. Which medication is transcribed incorrectly by the medical assistant and should be questioned by the nurse practitioner?