Dapoxetine also known as Sustinex is a new drug that has gained most of the people's interest and it is used as a treatment for premature ejaculation. The generic name for the drug is dapoxetine hydrochloride. It is useful for men as a treatment for their inability to sustain ejaculation and is suffering from premature ejaculation. It is one of a unique drug of its kind which regulates the ejaculation process in males. Premature ejaculation means the biological problem due to which a man ejaculates sooner than his actual carvings. It is a common male dysfunction for many men that need to be treated as soon as possible.