a 16-year-old girl with a history of asthma and allergic rhinitis presents to the clinic for a pruritic rash that has been ongoing for the past 3 months. she denies any new exposures or changes to her environment. on physical exam there is a pruritic dry scaly erythematous rash that is predominately located in the flexural surfaces. she experiences dry flakey skin on a weekly basis. what is the initial treatment of choice?
