Treatment The first thing your doctor will do is to make sure you’re getting the right treatment for any health conditions that could be causing or worsening your erectile .Your reassurance that this isn’t the case can help. If you are taking sildenafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph. What will that cost, and will the visit be covered by my insurance? Erectile dysfunction care at Mayo Clinic Our caring team of Mayo Clinic experts can help you with your health concerns. As with sildenafil, a high-fat meal or alcohol keep the body from absorbing it as quickly. If you are taking sildenafil for erectile dysfunction, your doctor will probably start you on an average dose of sildenafil and increase or decrease your dose depending on your response to the medication.Q&A Viagra (sildenafil) is a prescription drug that’s used to treat erectile dysfunction (ED). Viagra can cause side effects that range from mild to serious. . 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 . The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). Talafil (Cialis). Vardenafil. These medicines are called .What services do urgent care clinics offer? Viagra, also known as Sildenafil in its generic form, is a medication used to treat the symptoms of erectile dysfunction. How should this medicine be used? What you can do Take these steps to prepare for your appointment: Ask what you need to do ahead of time. Being overweight can cause — or worsen — erectile dysfunction. We avoid using tertiary references.