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Isosorbide Mononitrate: Uses, Dosage, Side Effects, and More

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Isosorbide Mononitrate is used to prevent chest pain (angina) in patients with coronary artery disease. It belongs to a class of drugs called nitrates, which work by relaxing and widening blood vessels, allowing more blood and oxygen to reach the heart. Imdur is not intended to relieve acute chest pain once it occurs. Instead, it helps reduce the frequency and severity of angina attacks.

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Controlled Substance Warning

Isosorbide Mononitrate is not a controlled substance. It is available by prescription only and should be taken exactly as directed by a healthcare provider.

Drug Facts

Generic Name

Isosorbide Mononitrate

Brand Names

Imdur, Monoket (discontinued in the U.S.)

Drug Type

Nitrate (anti-anginal medication)

Dosage Forms

Extended-release tablets, immediate-release tablets

Typical Dosage

Usually 30–60 mg once daily for extended-release forms; individualized dosing based on condition and provider recommendation

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Disclaimer

The information provided on this page is for general informational purposes only and is not intended as medical advice. Always consult with a licensed healthcare provider before starting, stopping, or changing any medication regimen. While Invictus strives to provide accurate and up-to-date information, individual health conditions and circumstances vary. The prices, availability, and descriptions of all medications on this page are subject to change.

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