A commonly used alternative consists of a three-drug injection
containing alprostadil, papaverine hydrochloride, and phentolamine
mesylate. Though it is commonly referred to as the "Knoxville
formula,".
A commonly used alternative consists of a three-drug injection
containing alprostadil, papaverine hydrochloride, and phentolamine
mesylate. Though it is commonly referred to as the "Knoxville
formula,".