Genetic Factors of Erectile Dysfunction Degree and Response to Tadalafil Treatment in Patients With Diabetes

We will include in the study 90 patients with diabetes and erectile dysfunction. We will use the IIEF-5 questionnaire to confirm the diagnosis of erectile dysfunction. Patients between the ages of 40 and 65 who score 21 points or less on the IIEF-5 scale will be included in the study. Each patient will receive drug tadalafil 5 mg every day for three months.