The drug has well-documented inhibitory effects on sexual function.有充分证据表明，这种药对性功能有抑制作用。A flagging libido and a drop in sexual performance are all part of the ageing process.性欲减退和性功能下降都是衰老的表现。Alcohol abuse in men can cause loss of sex drive and reduced potency.男子酗酒可能导致性欲丧失和性功能下降。