You can take sildenafil with or without food. However, the dose is usually not more than 80 mg 3 times a day. It is a medicine that is used to treat erectile dysfunction. It is used for the treatment of erectile dysfunction. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert. Debunking the Myth As we explore the world of sleep optimization, one question often arises: Does sleeping naked increase testosterone?Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. . Get drug information Search for a drug by name or NDC number and get complete drug information. It’s like the printout attached to your refill—only electronic. Help me find my . Sildenafil is used to treat high blood pressure in the lungs (pulmonary hypertension). Learn more about Revatio.1 This is a generic drug. Even if this drug is covered by Medicare or .