Erection can not get up to take Dapoxetine is generally not effective, you should take some sildenafil, vardenafil and so on, the effect is better. Failure to get up indicates the presence of impotence, and Dapoxetine is a drug used to treat premature ejaculation, so failure to get up and take Dapoxetine has no effect. You can take some type 5 phosphodiesterase inhibitors, including sildenafil, vardenafil, etc., which can increase cavernous blood perfusion and improve the diastolic function of smooth muscle cells, thus improving the symptoms of erectile dysfunction. Sildenafil, vardenafil is contraindicated in people who are allergic to sildenafil, vardenafil; patients using organic nitrites; patients using NO donor drugs; people suffering from cardiac insufficiency, unstable angina pectoris, uncontrollable high blood pressure and other diseases. The use of sildenafil and vardenafil may cause adverse reactions such as facial flushing, headache, nasal congestion, dyspepsia, dizziness, myalgia, and visual abnormalities. Erection should be standardized under the guidance of a doctor, it is not recommended to abuse the drug privately, which is not conducive to good health.