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.
Thus glyceryl trinitrate works best when used only short term, pulse dosing. Glyceryl trinitrate is useful for acute myocardial infarction (heart attack) and pulmonary edema, again working best if used quickly, within a few minutes of symptom onset, as a pulse dose.he chemical nitroglycerin is commonly referred to as glyceryl trinitrate or GTN in medicine to distinguish it from nitroglycerin as used as an explosive. However, the drug is often referred to as nitro colloquially.