Payment options: Consider how you’d like to pay. Medicines that you take by mouth are called oral medicines. They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction ED. If so, how much? Both options require valid medical documentation, but some online services only require a health questionnaire to be filled out and reviewed for approval—meaning no face-to-face video interaction is needed. Ask your pharmacist for a list of the ingredients. In addition to your prepared questions, don’t hesitate to ask additional questions during your appointment.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 . 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: . If you’re experiencing erectile dysfunction (ED), you may be wondering which doctor you should call. A good place to start is with your primary care doctor. Depending on your .