The first recommended dose of Dapoxetine Hydrochloride is generally 30mg, and it is important to note that this drug is contraindicated for patients who are allergic to this medication, and those suffering from heart failure and other conditions. The first recommended dose of Dapoxetine Hydrochloride is 30mg, the tablets should be taken with at least one full glass of water intact, and need to be taken about 1~3 hours before sex, after taking the drug, headache, dizziness, nausea, diarrhea, insomnia, fatigue, fainting, upright low blood pressure and other adverse reactions, if dizziness and other discomforts occur after taking the drug, you should sit down or lie down as soon as possible, in order to avoid fainting and causing injuries. If any of these adverse reactions occur after taking Dapoxetine Hydrochloride, the metabolism of the drug can be promoted by drinking more water. It is important to note that the drug is contraindicated in patients who are allergic to the drug, in patients with heart failure, atrioventricular block of II or III degree, sick sinus node syndrome, moderate and severe liver injury and other diseases. It should be noted that the drug should be applied under medical supervision.