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.
Nitro-Dur Â® (nitroglycerin patch) is a prescription skin patch approved to help prevent attacks of angina, which is chest pain caused by inadequate blood supply to the heart. In the unlikely event that the patch comes off, simply replace it with a new one, treating the patch as if it were the old one and removing it at your regular time. 2  For Nitro-Dur to work properly, it must be used as prescribed.