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 is a vasodilator not only for your heart vessels but for the vascular system which then subsquently lowers your blood pressure. It even dilates the vessels in the brain which then usually gives the side effect of the headache also. Read More. numbness in my left arm.