MUSE® (alprostadil) urethral suppository
dailymed.nlm.nih.gov › dailymed › fdaDESCRIPTION. MUSE ® (alprostadil) is a single-use, medicated transurethral system for the delivery of alprostadil to the male urethra. Alprostadil is suspended in polyethylene glycol 1450 (as excipient) and is formed into a medicated pellet (micro-suppository measuring 1.4 mm in diameter by 3 mm or 6 mm in length) that resides in the tip of a translucent hollow applicator.