Erectile dysfunction is most often vascular in origin, but hormonal, neurologic, medication-related and psychological factors all contribute. It is also an early cardiovascular warning sign, so a workup matters.
Men with mild to moderate ED, measured with a baseline IIEF-5 score, who receive a cardiovascular and hormonal workup rather than a prescription alone.
Men taking nitrates cannot use PDE5 inhibitors. Sudden-onset ED with a clear psychological trigger, or ED after pelvic surgery or trauma, needs a urology referral.
Ranked by number of verified patient outcomes for this condition.