Abstract Introduction Postorgasmic illness syndrome (POIS) is a rare disorder with ~50 cases recorded in the literature over last 10 years. POIS characterized by symptoms of flu-like fatigue, myalgias, fevers, mood disturbance, congestion, rhinorrhea and conjunctival pruritus, that begin within seconds to hours after an orgasm for duration 2-7 days. The most well described pathophysiologic hypo...