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.
Pure nitroglycerin is a contact explosive (physical shock may result in an explosion), which degrades over time, producing even more unstable chemical forms. As a result nitroglycerin is highly dangerous to transport or handle.