what is nitroglycerin ointment used for
Nitroglycerin ointment is used for: Treating moderate to severe pain caused by chronic anal fissure (a tear in the skin lining the anal canal). Nitroglycerin ointment is a nitrate. It works by relaxing (widening) blood vessels.
Nitroglycerin ointment is only for use in the anal canal. Do not get it in your eyes, vagina, or mouth. Wash hands before and after applying. Before measuring your dose, place a finger covering (eg, plastic wrap, a disposable surgical glove, a finger cot) on a finger.
Nitroglycerin given intravenously (by IV) is used for several purposes. It is approved to treat high blood pressure (hypertension) during surgery. It is also used to treat chest pain or to control congestive heart failure during heart attacks.