Being overweight can cause — or worsen — erectile dysfunction. Being overweight can cause — or worsen — erectile dysfunction. If you have trouble quitting, get help. This can cause anxiety, which might make erectile dysfunction worse. Some of these drugs can interact with prescription drugs and cause dangerously low blood pressure. Are there any restrictions that I need to follow? Write down key personal information, including any major stresses or recent life changes.It can be treated: Sometimes, it’s as simple as taking a pill your doctor prescribes. There are drugs just for ED. Other options your doctor can help you explore include: . Doctors for ED include urologists, endocrinologists, cardiologists, and mental health professionals. A quick look at the best doctors for ED Best for sexual health: Urologist Best for heart and. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in .