MSRA-0292

MSRA-0292

A 29-year-old man presents to the emergency department with a 3-day history of fever, fatigue, and a tingling sensation in the lateral aspect of his left thigh. The tingling was initially tolerable but has become increasingly painful over the past 24 hours. Upon examination, the area described is erythematous with a macular rash appearing. The patient has a history of HIV and is currently taking antiretroviral therapy with an undetectable viral load. He denies any cough, coryzal symptoms, focal neurological signs, or trauma to the site.

What is the appropriate management for this patient, given the likely diagnosis? Choose from the options provided.