These include a heart attack, stroke or a serious heart rhythm disorder in the past six months. Erectile dysfunction care at Mayo Clinic Our caring team of Mayo Clinic experts can help you with your health concerns. If so, do you currently take any medications or get psychological counseling psychotherapy for it? Recent heart or blood vessel problems. What’s the best treatment?Brand-name Viagra is also available through Optum Store in , , mg pills starting at. 1. How it works Sildenafil may be used to treat erectile dysfunction (ED or impotence) in men (Viagra brand) or pulmonary arterial hypertension in both men and . Oral medicines for ED usually work well and cause few side effects. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil .