Inclusion Criteria:  Patients aged 20-50 years Applied to the urology outpatient clinic with the complaint of erectile dysfunction International Index of Erectile Function-5 score of <17  Exclusion Criteria:  Patients with concomitant neurological disease Diabetes, coronary artery disease, kidney failure, hyperlipidemia, hypertension Smoking and alcohol addiction Hormonal drug use History of pelvic trauma and history of penile, testicular, pelvic or perineal surgery Diagnosis of malignancy Patients that used opioids within the last 3 months