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nitroglycerin (topical) (cont.)

What should I discuss with my healthcare provider before using nitroglycerin topical (Nitro-Bid, Nitrol Appli-Kit)?

You should not use this medication if you are allergic to nitroglycerin, isosorbide mononitrate (Imdur), or isosorbide dinitrate (BiDil, Isordil).

Before using nitroglycerin topical, tell your doctor if you are allergic to any drugs, or if you have:

  • congestive heart failure;
  • a history of heart attack, stroke, or head injury;
  • low blood pressure;
  • glaucoma; or
  • anemia (lack of red blood cells).

If you have any of these conditions, you may need a dose adjustment or special tests to safely use nitroglycerin topical.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether nitroglycerin topical passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Nitroglycerin topical can cause severe headaches, especially when you first start using it. These headaches may gradually become less severe as you continue to use nitroglycerin topical. Do not stop using the medication. Ask your doctor before using any headache pain medication.

If you need to have any type of surgery or dental work, tell the surgeon or dentist ahead of time that you are using nitroglycerin topical.

How should I use nitroglycerin topical (Nitro-Bid, Nitrol Appli-Kit)?

Use this medication exactly as it was prescribed for you. Do not use the medication in larger amounts, or use it for longer than recommended by your doctor. Follow the directions on your prescription label.

Do not use nitroglycerin topical to treat an angina attack that has already begun. It will not work fast enough. Your doctor may prescribe an oral form of nitroglycerin (tablet, capsule, spray) to treat an angina attack. Talk with your doctor if any of your medications do not seem to work as well in treating or preventing angina attacks.

Nitroglycerin ointment is usually applied 3 or 4 times daily. You may also need to wash off the ointment at a certain time each day. Follow your doctor's instructions carefully.

Wash your hands after applying nitroglycerin ointment.

Do not stop using this medication without your doctor's advice, even if you feel better. You may have increased angina attacks if you stop using the medication suddenly.

Store this medication at room temperature, away from moisture and heat.

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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