CT,a 23-year old male college student,presents with superficial lesions on his trunk. On examination, CT’s vital sign’s are normal.

CT,a 23-year old male college student,presents with superficial lesions on his trunk. On examination, CT’s vital sign’s are normal.he has seven distinctive,roughly circular skin lesions on his body.THe healthcare provider diagnoses CT’s skin lesions as tinea corporis The provider decided to prescribe topical ketoconazole 2% cream applied twice a day for two weeks.AFter three weeks,CT returns to the procider with no significant improvement in the lesions. 1. What is the pharmacologic basis for using the prescribed agents? In other words, why are the medications prescribed for this patient…what will they do specifically? 2. What should the nurse tell CT about interactions between fluticasone/salmeterol and ketoconazole? 3. How long after starting the ketoconazole will CT continue to be contagious? 4. CT wants to know if he should continue to use the topical cream even after starting the oral terbinafine. What should the nurse tell him?