Nitroglycerin spray is available by prescription only and is used to treat or prevent chest pain (angina). The medication is sprayed on or under the tongue. You can use up to three sprays within 15 minutes. However, seek medical attention if your chest pain continues after the third spray. Possible side effects may include headaches, lightheadedness, and fainting.
What Is Nitroglycerin Spray?
Nitroglycerin spray (Nitrolingual®, NitroMist®) is a prescription mouth spray used to treat attacks of angina (chest pain due to inadequate blood supply to the heart). It can also be used just before anticipated activity (usually physical exertion, such as exercise or sexual intercourse) to help prevent chest pain.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed May 16, 2011.
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