Poxet 30 mg, which contains Dapoxetine, is a medication used to treat premature ejaculation (PE). Dapoxetine is a short-acting selective serotonin reuptake inhibitor (SSRI) that typically starts to work within 1–3 hours after taking it.

The effects of Poxet 30mg typically last for around 3 to 4 hours, but this can vary depending on individual factors such as metabolism, health condition, and whether it's taken with food or alcohol.

It's important to note that Poxet is not intended for daily use and should only be taken as needed, about 1–3 hours before sexual activity. If you're unsure about how long it works for you or have concerns about its effects, it's best to consult with your healthcare provider.