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.
In a sense, nitric oxide is the bodyâs own nitroglycerin. If you had first discovered how nitroglycerin and nitric oxide work, as three Americans (Robert Furchgott, Lewis Ignarro, and Ferid Murad) did, in 1998 you would have won the Nobel Prize for Medicine. Nitric oxide is that important.