1 You'll need to avoid strenuous activities, but you may be able to continue normal daily activities, such as going to work. 2  Talk to your doctor about an appropriate level of activity for you. 3  Follow a balanced diet.
Nitroglycerin works by causing your veins to expand or dilate, known as venodilation. It also works on dilating the coronary arteries, contributing to the relief of angina.
The spray is used on or under the tongue. This topic covers these quick-acting forms of nitroglycerin. Long-acting forms of nitroglycerin are used to prevent angina from happening. They are not used to stop sudden symptoms of angina. These long-acting forms include pills, tablets, skin ointment, and skin patches.This topic does not cover these long-acting forms of nitroglycerin.he spray is used on or under the tongue. This topic covers these quick-acting forms of nitroglycerin. Long-acting forms of nitroglycerin are used to prevent angina from happening. They are not used to stop sudden symptoms of angina. These long-acting forms include pills, tablets, skin ointment, and skin patches.