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Nitrates reduce strain on the heart and improve blood flow to the heart, which relieves and prevents angina pain.
If the usual dose of nitroglycerin does not relieve chest pain, it often means that the angina may be getting worse or becoming unstable. If this happens, call your doctor immediately.
| By: | Healthwise Staff | Last Revised: May 10, 2010 |
| Medical Review: | E. Gregory Thompson, MD - Internal Medicine John A. McPherson, MD, FACC, FSCAI - Cardiology | |
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