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Nitroglycerin Dosage

Because several nitroglycerin products are available, dosing guidelines will vary depending on the particular product used and how you respond to the medicine. When using the short-acting forms of nitroglycerin, you can use up to three doses within 15 minutes. However, seek immediate medical attention if your chest pain continues after the third dose. The long-acting forms are used on a daily basis.

An Introduction to Dosing With Nitroglycerin

The dose of nitroglycerin (Minitran™, Nitro-Bid®, Nitro-Dur®, Nitrolingual®, NitroMist®, Nitrostat®, Rectiv™) your healthcare provider recommends will vary, depending on the particular product and how you respond to the medication. As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.
 

Nitroglycerin Dosage for Angina Treatment

Nitroglycerin tablets (Nitrostat) and spray (Nitrolingual, NitroMist) are used to treat attacks of chest pain that have already started. In general, use one spray or tablet every 5 minutes (up to three doses within 15 minutes) until the chest pain improves. If you use a third spray or tablet and your chest pain continues, it is time to seek immediate medical attention. You may be having a heart attack or other serious heart problem.
 
Do not use nitroglycerin more frequently or at a higher dose than absolutely necessary. Using it too often can result in a tolerance to the drug, which means your body becomes accustomed to it and no longer responds to the medication.
 
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Nitroglycerin Drug Information

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