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.
1 But seek emergency help first, such as calling 911. 2  Take nitroglycerin, if prescribed. 3  If you think you're having a heart attack and your doctor has previously prescribed nitroglycerin for you, take it as directed.4  Do not take anyone else's nitroglycerin, because that could put you in more danger. If you think you're having a heart attack and your doctor has previously prescribed nitroglycerin for you, take it as directed. 2  Do not take anyone else's nitroglycerin, because that could put you in more danger. 3  Begin CPR if the person is unconscious.