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.
Topics | Pharmacology | Cardiovascular Agent | How does nitroglycerin treat high blood pressure? High blood pressure (hypertension) happens when your blood has a hard time getting through the body, usually because of narrowed arteries. Nitroglycerin is a vasodilator. This means it widens the arteries so your blood can more freely move through them, your heart does not have to work so hard, and this lowers your blood pressure.