Overview: Rectal nitroglycerin is an ointment that is used on the skin in your anal region to reduce pain in that area caused by a skin tear. The most common side effect of rectal nitroglycerin is a ...

When something restricts blood flow to the heart muscle, a person may experience intense chest pain that doctors call angina. People can use the drug nitroglycerin to relieve this pain. Most often, ...

What is nitroglycerin used for? Nitroglycerin is commonly used to treat and prevent chest pain caused by a type of heart disease (coronary artery disease). Nitroglycerin may also be used for other ...