Poxet 90 mg (Dapoxetine) containing the active ingredient dapoxetine is considered a selective serotonin reuptake inhibitor type of medication. The medicine works by increasing the activity of serotonin in the nervous system and delaying the nerve messages that result in ejaculation. The tablets can be used to increase the time it takes to ejaculate and improve control over the ejaculation and is used in the treatment of premature ejaculation (PE) in men between 18 to 64 years of age.