PT-141

“pt141 ” most commonly refers to PT-141 (Bremelanotide), a synthetic peptide used as a prescription treatment to increase sexual desire (libido) and arousal by acting directly on the brain’s nervous system, unlike blood-flow-focused drugs, and is FDA-approved for premenopausal women with Hypoactive Sexual Desire Disorder (HSDD) but also used off-label for men, available as nasal spray or injection, with common side effects like flushing, nausea, and headaches.