noun. sil· den· a· fil sil-ˈden-ə-ˌfil.: a drug that is used in the form of its citrate C22H30N6O4S·C6H8O7 chiefly to treat erectile dysfunction in males and .Sildenafil Viagra. John’s wort. Avanafil Stendra. You’ll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Retrieved 6 October Severe liver disease. This medicine is available only with your doctor’s prescription.Sildenafil (Viagra). This medicine works best when you take it on an empty stomach an hour before sex. The body takes longer to absorb it after a high-fat meal or . What is sildenafil? Sildenafil is a prescription drug. It comes in the form of a tablet and suspension (liquid). Both are taken by mouth. It also comes in an . · Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat Missing: meaning.Seven of these companies are based in India. If you are a Mayo Clinic patient, this could include protected health information. This development was credited largely “due to the introduction of generic products. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates. Often, these are prescribed for chest pain called angina. Pfizer Canada Inc.
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