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Nitroglycerin Spray Side Effects

While there is only vague information available about the possible side effects of nitroglycerin spray, some of the possible problems with this medicine may include headaches, dizziness, and unusual sensations. In most cases, reactions to this drug tend to be minor. However, contact your healthcare provider immediately if you experience fainting, a bluish discoloration of the skin, or worsening chest pain.

An Introduction to Nitroglycerin Spray Side Effects

Just like any medicine, nitroglycerin spray (Nitrolingual®, NitroMist®) can cause side effects. However, not everyone who uses the medication will have problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with nitroglycerin spray. Your healthcare provider can discuss a more complete list with you.)

Side Effects of Nitroglycerin Spray to Report

Some nitroglycerin spray side effects are potentially serious and should be reported immediately to your healthcare provider. These include but are not limited to:
  • Fainting
  • Worsening angina
  • High blood pressure (hypertension)
  • A bluish discoloration of the skin, which is a sign of methemoglobinemia, a potentially serious problem
  • Signs of an allergic reaction, such as:
    • Hives
    • Itching
    • Unexplained swelling of the mouth or throat
    • Wheezing
    • Difficulty breathing or swallowing.
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Nitroglycerin Spray Information

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