Dapoexetine is a drug specifically used to assist men with premature ejaculation, it is most commonly known as Priligy. It works by inhibiting the serotonin transporter and promotes a delay in ejaculation as a result. Priligy is classified as a selective serotonin reuptake inhibitor (SSRI), initially developed as an anti-depressant. It is a popular choice with prescribing physicians for the treatment of PE.