Hello dear Understand your concern You have erectile dysfunction problem. Treatment depend on the cause of problem first you have to find the cause of the problem. Two main causes: psychiatric problem (severe depression, anxiety, relationship issue), medical cause (obesity, diabetes, enlarged prostate, spinal problem/damage to back nerve, low testosterone, smoking and alcohol consumption, Chronic orchitis/epididmyitis) Consult the urologist and psychiatric to find the problem after doing following investigation: nocturnal penile tumescence test, intracavernous injection test, color doppler of penile area, hormonal test: FSH,LH, thyoid, Testosterone, lipid profile, blood sugar, CBC, ESR. Doctor may give treatment and advice according to cause like, Engage more in foreplay before sex, avoid stress and get relax while having sex, cognitive behavioral therapy to find defect in the thought process, use double condoms during sex, avoid smoking and alcohol, regular exercise like walking, relaxation exercise and medication 45-60 minutes in the morning, pelvic exercise, try women on top position, take healthy diet and fruits, more antioxidant (almond and coQ tablet) If you did not get better from above advise: take tesosterone injection if low testosterone Sildenafil and paroxentine 30 minutes before sex after proper evalution. Hope this may help you Best regards Dr. Sagar