What are nitroglycerin buccal (extended-release) tablets?
NITROGLYCERIN (Nitrogard®) is a type of vasodilator. It relaxes blood vessels, increasing the blood and oxygen supply to your heart. Nitroglycerin buccal tablets help prevent or relieve chest pain (angina). (Buccal means close to the cheek and describes where these tablets are placed). Generic nitroglycerin buccal tablets are not yet available.