A 60-year-old male presents to his NP with erectile dysfunct…
A 60-year-old male presents to his NP with erectile dysfunction (ED) that has been progressively worsening over the past year. He has a history of type 2 diabetes and hypertension, controlled with metformin and amlodipine. He reports that he is able to achieve an erection but has difficulty maintaining it. What is the most appropriate first-line treatment for this patient?