) 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.
Just like any medicine, nitroglycerin spray may cause side effects. However, not everyone who uses the drug will experience problems. In fact, most people tolerate it quite well.
If reactions do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider. Serious side effects are less common.
Common side effects of nitroglycerin spray include but are not limited to: