What do nitroglycerin pills do?

Nitroglycerin is a vasodilator, a medicine that opens blood vessels to improve blood flow. It is used to treat angina symptoms, such as chest pain or pressure, that happens when there is not enough blood flowing to the heart. read more

If you have angina, take your nitroglycerin as instructed by your doctor. This might mean you take it as soon as you feel symptoms, or you wait a minute before you take it, or you take more than one pill over several minutes. If you take your nitroglycerin as instructed and you still have chest pain, get medical help right away. read more

Do not chew, crush, or swallow nitroglycerin sublingual tablets. Instead, place the tablet under your tongue or between your cheek and gum and wait for it to dissolve. You may feel burning or tingling in your mouth as the tablet dissolves. This is normal but is not a sign that the tablet is working. read more

Store at room temperature. Store in a dry place. Do not store in a bathroom. Store in original container. Keep lid tightly closed. Do not use if this medicine (nitroglycerin sublingual tablets) is out of date. Keep all drugs in a safe place. read more