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.
nitroglycerin (nitr). [-glisâ²Érin]. a potent smooth muscle relaxant and vasodilator used in transdermal patches and in a paste as well as in oral and sublingual tablets. Also called glyceryl trinitrate. indications It is prescribed for the prevention or relief of angina pectoris.