Dapoxetine is generally a medication that specializes in the treatment of premature ejaculation. Dapoxetine is able to treat premature ejaculation. Dapoxetine is a 5-hydroxytryptamine reuptake inhibitor, and this class of medication is effective in delaying the transmission of the ejaculatory impulse as well as raising the threshold of the ejaculatory center. This drug is mainly suitable for patients with poor ejaculatory control. Dapoxetine is recommended to be taken in strict accordance with the instructions, and is usually required to be taken 1 to 3 hours before sexual intercourse. It is important to note that it is contraindicated in patients with significant pathological conditions of the heart, such as heart failure; contraindicated while taking antidepressants; contraindicated in children and adolescents under the age of 18; contraindicated in moderate to severe hepatic insufficiency; contraindicated in severe renal insufficiency. Mild hepatic insufficiency should be used with caution; mild to moderate renal insufficiency should be used with caution; elderly patients over 65 years of age should be used with caution and need to follow the doctor’s instructions. A small number of patients may have gastrointestinal side effects, such as nausea, vomiting, most patients with the drug are relatively safe and reliable. The drug is a prescription drug and should be used in strict accordance with medical advice.