Episode 213: HIV PrEP Review H. Nicole Magaña, medical student, reviews the history of PrEP and outlines the currently FDA-approved medications used for HIV prevention. Dr. Arreaza provides additional perspective on long-acting injectable options, including how quickly they begin to protect patients after initiation. Written by Nicole Magana, MSIV, American University of the Caribbean. Comments and edits by Hector Arreaza, MD.