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Nitroglycerin Uses

How Does Nitroglycerin Work?

Nitroglycerin works by relaxing the veins and arteries in the body. With the arteries and veins relaxed, the heart does not need to work so hard and does not require as much oxygen. Because angina is usually caused when there is not enough oxygen to meet the heart's needs, using nitroglycerin can help relieve angina attacks.
 
Relaxing the blood vessels also leads to a decrease in blood pressure, which may or may not be desired, depending on the particular circumstances.
 

Is It Safe for Children?

Like most medications, nitroglycerin is not specifically approved for use in children, as it has not been adequately studied in this age group. If your healthcare provider recommends nitroglycerin for your child, make sure to discuss the risks and benefits of this medication.
 

Off-Label Uses for Nitroglycerin

On occasion, healthcare providers may prescribe medications for something other than the approved uses. This is known as "off-label" use. Some forms of nitroglycerin are sometimes (rarely) used off-label for the treatment of preeclampsia or preterm labor in pregnancy. Nitroglycerin is also occasionally used off-label for the treatment of Raynaud's phenomenon.
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