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Last reviewed on RxList: 1/3/2017
Nitro-Dur Side Effects Center

Last reviewed on RxList 8/5/2016

Nitro-Dur (nitroglycerin) transdermal is a nitrate used to prevent attacks of chest pain (angina). Nitro-Dur is available in generic form. Common side effects of Nitro-Dur include:

  • headache
  • dizziness
  • weakness
  • nervousness
  • lightheadedness
  • nausea
  • vomiting
  • upset stomach
  • flushing (warmth, redness, or tingly feeling under your skin)
  • skin rash or itching as your body adjusts to this medication

The suggested starting dose of Nitro-Dur is between 0.2 mg/hr and 0.4 mg/hr. Nitro-Dur may interact with blood pressure medications, diuretics (water pills), cold or allergy medicines, diet pills, over-the-counter pain medicine, erectile dysfunction medication, migraine headache medication, beta-blockers, or calcium channel blockers. Tell your doctor all prescription and over-the-counter medications you use. During pregnancy, Nitro-Dur should be used only when prescribed. It is unknown if this drug passes into breast milk or if it may harm a nursing infant. Consult your doctor before breastfeeding.

Our Nitro-Dur (nitroglycerin) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Nitro-Dur Consumer Information

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

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • worsening chest pain, slow heart rate;
  • feeling like you might pass out;
  • chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
  • fast or pounding heartbeats; or
  • blurred vision and dry mouth.

Less serious side effects may include:

  • mild skin rash or itching;
  • warmth, redness, or tingly feeling under your skin;
  • nausea, vomiting, upset stomach; or
  • feeling nervous, weak, or dizzy.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Nitro-Dur (Nitroglycerin)

Nitro-Dur Professional Information


Adverse reactions to nitroglycerin are generally dose related, and almost all of these reactions are the result of nitroglycerin's activity as a vasodilator. Headache, which may be severe, is the most commonly reported side effect. Headache may be recurrent with each daily dose, especially at higher doses. Transient episodes of lightheadedness, occasionally related to blood pressure changes, may also occur.

Hypotension occurs infrequently, but in some patients it may be severe enough to warrant discontinuation of therapy. Syncope, crescendo angina, and rebound hypertension have been reported but are uncommon.

Allergic reactions to nitroglycerin are also uncommon, and the great majority of those reported have been cases of contact dermatitis or fixed drug eruptions in patients receiving nitroglycerin in ointments or patches. There have been a few reports of genuine anaphylactoid reactions, and these reactions can probably occur in patients receiving nitroglycerin by any route.

Extremely rarely, ordinary doses of organic nitrates have caused methemoglobinemia in normal-seeming patients. Methemoglobinemia is so infrequent at these doses that further discussion of its diagnosis and treatment is deferred (see OVERDOSAGE).

Application-site irritation may occur but is rarely severe.

In two placebo-controlled trials of intermittent therapy with nitroglycerin patches at 0.2 to 0.8 mg/hr, the most frequent adverse reactions among 307 subjects were as follows:

  Placebo Patch
Headache 18% 63%
Lightheadedness 4% 6%
Hypotension, and/or Syncope 0% 4%
Increased Angina 2% 2%

Read the entire FDA prescribing information for Nitro-Dur (Nitroglycerin)

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© Nitro-Dur Patient Information is supplied by Cerner Multum, Inc. and Nitro-Dur Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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