Hello dear Understand your concern Treatment of erectile dysfunction is depend on the cause of it. It can be treated by both psychologically and drug therapy. Following are the causes of erectile dysfunction:psychological like Excessive stress and relationship issues, Diabetes,, Hormone problem like Low testosterone levels, Prostate Enlargement, alcohol & tobacco consumption (constriction of penile blood vessel), obesity. I thin k you have anxiety or relationship issue. So first consult the best urologist or psychiatric and get the following test done: Hb,CBC, ESR, blood sugar, lipid profile, urea, creatinine, Vitamin B12, folic acid levels iron, etc.Hormones (total and free testosterone, corticosteroids, DHEAS, Thyroid hormone, seminal fluid analysis, Doppler USG of scrotum and penile area to find out the blood flow problem. Meanwhile take following advice: Engage in more fore play before sex,do discussion with your partner that help in gaining psychological trust, Stop sex when ejaculation soon and divert your mind in other activities, use more than one condom. Following medicine can be provide by doctor after evaluation: Tablet viagra: about one hour before sexual activity, testosterone Replacement Therapy, paroxetine 30-40 min before sex, Life style modification, Start exercising (60-80 minutes in morning with relaxation and yoga), losing weight, stopping smoking and alcohol, Healthy diet with proteins and vitamin A, C, E. Take anti oxident like CO Q. Hope this may help you Best regards Dr. Sagar