When discussing the duration of effect of Sustinex 30 Tablet (Dapoxetine 30 mg), here is what you need to know:

• Purpose: Sustinex is used to treat premature ejaculation by increasing serotonin levels in the nervous system, which helps delay ejaculation and improve control.
• Onset and Duration: Dapoxetine typically starts working within 1 to 3 hours after taking the tablet. Its effects usually last for about 4 to 6 hours, making it suitable for on-demand use before sexual activity.
• Usage: It should be taken as prescribed by your doctor, usually 1 to 3 hours before sexual activity. It can be taken with or without food.
• Variability: The exact duration and effectiveness can vary between individuals based on factors like metabolism, other medications, and overall health.
• Precautions: Avoid driving or operating machinery after taking it due to possible dizziness or sleepiness. Alcohol should be avoided as it can increase side effects.

If you experience persistent side effects such as dizziness, headache, nausea, or any other concerns, it is important to consult a urologist or a specialist doctor experienced in sexual health for personalized advice and management.