Hello, Get blood tests, Urinalysis, Ultrasound - commonly done by a specialist with a wand like device (transducer) held over the blood vessels that supply the penis. You will be treated with medications like Sildenafil (Viagra), Alprostadil urethral suppository, etc.), psychological counselling, exercises, Kegel exercises, Pilate exercises, under the observation of a physical therapist. Improve your diet and take high protein home made balanced diet. Take food that will boost your testosterone levels. Taking supplements of ashwagandha extract increases testosterone level. You should avoid taking fatty food, food with high content of salt and sugar. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K., General & Family Physician