必利勁 is the trade name and generic name of Dapoxetine Hydrochloride Tablets, impotence is generally referred to as erectile dysfunction. The drug is mainly used to treat premature ejaculation in male patients, and has no significant therapeutic effect on erectile dysfunction. Dapoxetine hydrochloride tablets are currently commonly used in clinical practice for the treatment of premature ejaculation, the main adaptive group for the penis before entering the vagina or shortly after entering the vagina, only by the slightest sexual stimulation or before obtaining sexual gratification will be unable to control ejaculation of male patients. The drug is effective in treating premature ejaculation. However, erectile dysfunction and premature ejaculation belong to two kinds of male diseases, dapoxetine hydrochloride tablets do not include erectile dysfunction in the drug indications, so it does not have the role of treating erectile dysfunction. Erectile dysfunction is one of the most common male sexual dysfunction diseases, the cause of this disease is more complex, often lead to the patient to have a slow erection or can not erection, erection hardness is not enough, the penis into the vagina or before ejaculation fast weakness and other symptoms. The condition and premature ejaculation belong to two diseases, so it is generally not recommended that patients use dapoxetine hydrochloride tablets for treatment, the current clinical use of drugs such as tadalafil, sildenafil and other phosphodiesterase 5 inhibitors. It is recommended that patients suffering from erectile dysfunction first consult a doctor, under the guidance of the doctor to choose the appropriate drug treatment, avoid unauthorized use of drugs.