The full name of Dapoxetine is Dapoxetine Hydrochloride. It is impossible to accurately determine how long a normal person can prolong their ejaculation by taking Dapoxetine Hydrochloride, the exact prolongation time varies from person to person, and patients can take the medication as prescribed by their doctor. Dapoxetine Hydrochloride is a medication for treating premature ejaculation and poor ejaculatory control in male patients for use in adult males under the age of 65, which may work by inhibiting the reuptake of 5-hydroxytryptophan, inhibiting nerve conduction, and delaying ejaculatory reflex time. Adverse reactions such as fatigue, vertigo, fainting, headache, nausea, and diarrhea may occur after taking this drug. Because it may cause vertigo or even fainting, it should be used with caution in patients who need to drive vehicles or operate machinery. The drug may interact with thioridazine, monoamine oxidase inhibitors such as bromfaromine, and strong cytochrome P450 3A4 inhibitors such as itraconazole. Therefore, it is contraindicated in patients who are using thioridazine, monoamine oxidase inhibitors, and strong cytochrome P450 3A4 inhibitors; and in patients within 2 weeks of discontinuing monoamine oxidase inhibitors or thioridazine. It is also contraindicated in patients who are allergic to the drug, have severe renal impairment, moderate to severe hepatic impairment, and significant cardiac pathology conditions such as grade 2 to 3 atrioventricular block. The drug should be used with caution in patients with mild to moderate renal impairment; it should also be used with caution in patients taking moderate cytochrome P450 3A4 inhibitors such as clarithromycin. If you need to use the drug patients, please under the guidance of the doctor strictly comply with the doctor’s instructions to take medication, do not self-medication.