Dapoxetine can increase one minute to about 3 to 5 minutes, but the specific effect varies from person to person because each person’s body type is different and reacts differently to the drug. Dapoxetine can as well as neuronal reuptake of pentazocine, which in turn inhibits the ejaculatory center and prolongs the latency of ejaculation. The clinical efficacy of this drug is very good, the effective rate of more than 90%, can extend a minute to about 3 to 5 minutes, but has the efficacy varies from person to person. However, it should be noted that this product needs to be taken 1 to 3 hours before sex, so as not to affect the efficacy. The frequent adverse reactions of this drug include dizziness, headache, nausea, etc. It is contraindicated for those who are allergic to this product, those with moderate to severe liver impairment, and those with significant heart disease. It is recommended to consult a physician before using the drug and take the drug as prescribed.