Dapoxetine belongs to the oral class of medications with a first dose of 30mg, which needs to be taken about 1-3 hours before sexual intercourse. Dapoxetine is a medication for the treatment of male sexual dysfunction and is commonly used clinically in men between the ages of 18-64 with premature ejaculation. This medication is an oral tablet and the recommended first dose for all male patients is 30mg, which needs to be taken approximately 1-3 hours before sexual intercourse, the tablet should be swallowed whole and the medication should be taken with a full glass of water. If a male patient is not satisfied with the results after taking 30mg and the side effects are acceptable, the dosage can be increased to the maximum recommended dose of 60mg, but the maximum recommended dosage should only be taken once a day. The use of dapoxetine hydrochloride can cause adverse reactions such as headache, dizziness, nausea, and diarrhea, which need to be taken care of. In addition, you need to know the contraindications before using the drug, including the fact that the drug is contraindicated in people with a known allergy to the product, in patients with a significant pathological condition of the heart, and in patients with moderate and severe hepatic impairment. The drug should also not be used in conjunction with thioridazine, strong cytochrome P450 3A4 inhibitors, and monoamine oxidase inhibitors. It is recommended that men with premature ejaculation strictly follow the doctor’s instructions for medication, do not change the dose of the drug or abuse the drug privately, maintain a good mood in daily life, avoid excessive stress, and appropriate sports and exercise to enhance physical fitness.