Etinjo belongs to the domestic generic drugs, 必利勁 belongs to the imported drugs, both are dapoxetine hydrochloride tablets, their effects are similar, there is no good or bad difference. Dapoxetine hydrochloride tablets belong to the treatment of male premature ejaculation drugs, can inhibit the ejaculatory center, prolong the time required for ejaculation, improve sexual life. The efficacy as well as safety of the two are certified by the state, and the clinical effects are similar, there is no significant difference. Frequent adverse reactions to Dapoxetine Hydrochloride include headache, dizziness, nausea, diarrhea, fatigue, and insomnia, etc. It is contraindicated in patients with known hypersensitivity to the product, and in patients with significant cardiac pathology. It is recommended that you consult your physician before using the drug and choose the appropriate dosing regimen for your situation.