Dapoxetine needs to be taken about 1~3 hours before sex is the best, taking with a full glass of water, can reduce the incidence of adverse reactions. Dapoxetine has the effect of inhibiting the ejaculatory center and is mainly used to treat premature ejaculation in men. The recommended dose of this product is 30mg, taken with a full glass of water (about 500ml) 1~3 hours before sexual activity. If the effect is not satisfactory after using 30mg, the dose can be increased to 60mg, but it should be taken at most once a day and is recommended to be used on alternate days. Common adverse reactions to this medication are mild headache, dizziness and nausea, although these side effects go away on their own. It is contraindicated for those who are allergic to Dapoxetine, those with moderately or severely impaired liver function, and those with significant pathological conditions of the heart. It is recommended to take the medication under the supervision of a doctor and should not be used blindly.