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.
Common Questions and Answers about How long does nitroglycerin work. nitrostat. I called my Dr. to ask about the meds and how long they would take to work and she told me they can take up to a month before they stabilize my blood pressure. Today it is actually not too bad 138/86, much better than I have had it in the past. Hopefully something will start to make sense soon!