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