Sildenafil – whats in viagra

Viagra (sildenafil) is a phosphodiesterase-5 (PDE5) inhibitor used for the treatment of erectile dysfunction. What Are Side Effects of Viagra? Side effects of Viagra include: .This includes prescription or nonprescription over-the-counter [OTC] medicines and herbal or vitamin supplements. 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. Do not use this medicine if you are also using a nitrate medicine, often used to treat angina or high blood pressure. However, the dose is usually not more than 80 mg 3 times a day. Kidney disease that needs to be treated with dialysis.Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing . Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles . Viagra is a brand-name prescription drug that’s approved to treat erectile dysfunction (ED). With ED, you’re unable to have or maintain an erection. Viagra is approved for this use .Often, these are prescribed for chest pain called angina. Dosing The dose of this medicine will be different for different patients. Some medications should not be taken with sildenafil. Generic versions of sildenafil, vardenafil and tadalafil are available. Your doctor may adjust your dose if needed.