Nitrostat is a nitrate. It works by dilating blood vessels. Chest pain usually occurs when the heart needs more oxygen than the blood is supplying. Dilating blood vessels allows the blood to flow more easily, reducing the workload of the heart and the amount of oxygen required by its tissues.
Nitrostat (nitroglycerin) is a medication used to prevent and relieve chest pain or a sudden angina attack. The drug is mostly taken by people with certain heart conditions before physical activities to prevent chest pains. The main cause of angina is the lack of enough blood supply to the hear muscles due to shrunk blood vessels especially the arteries. This limits the amount of oxygen to the heart, and this causes the pain.
Nitrostat is a nitrite that works by dilating (widening) and relaxing the blood vessels so that blood can flow more easily to the heart muscles. Nitrostat is supplied in the form of tablets, and it should be administered orally. Do not take this drug of you have any heart problems such as heart attack.