You’ll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Brand names Why is this medication prescribed? If you are taking sildenafil for PAH, take the missed dose as soon as you remember it. These medicines are called PDE5 inhibitors. Tell your doctor or pharmacist if you are taking nitrates medications for chest pain such as isosorbide dinitrate Isordil , isosorbide mononitrate Monoket , and nitroglycerin Nitromist, Nitro-Dur, Nitrostat. Sildenafil Viagra is used to treat erectile dysfunction impotence; inability to get or keep an erection in men.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 adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels. Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. This boosts blood flow and helps you get an erection from sexual activity. How oral medicines differ. Generic name: sildenafil (oral) [ sil-DEN-a-fil ] Brand names: Revatio, Viagra Drug class: Impotence agents. Medically reviewed by Sophia Entringer, PharmD. Last updated on Uses; Warnings; Before taking; Dosage; Side effects; Interactions; FAQ; What is Viagra?
