The full name of Dapoxetine is Dapoxetine Hydrochloride Tablets, and adverse reactions such as headache, dizziness, nausea, fainting, insomnia, and diarrhea can occur after the use of the drug.The reason why it cannot be taken by male patients over the age of 65 years old is that there is a lack of data on the use of medication for patients in this age group, and the efficacy and safety of the medication can’t be guaranteed, so it is not recommended that it be taken by male patients over the age of 65 years old. The drug can inhibit the ejaculatory reflex and prolong ejaculation time, and is suitable for male patients aged 18 to 64 who suffer from premature ejaculation and poor ejaculatory control. Alcohol and alcoholic beverages should be avoided while taking this medication. The drug may interact with erythromycin, ketoconazole and other cytochrome P450 3A4 inhibitors, thioridazine, monoamine oxidase inhibitors and other drugs in combination. Therefore, this drug should not be used in combination with cytochrome P450 3A4 inhibitors, thioridazine, monoamine oxidase inhibitors. Contraindicated in the following conditions: cardiac conditions such as heart failure NYHA class II to IV; seizures or unstable epilepsy; severe renal impairment; moderate to severe hepatic impairment; hypersensitivity to the drug. Use with caution in the following conditions: mild to moderate renal impairment; taking moderate cytochrome P450 3A4 inhibitors such as clarithromycin and verapamil. If you need to use the drug, please strictly follow the doctor’s instructions under the guidance of the medication, do not self-medication.