Generic name: isosorbide mononitrate
Dosage form: tablet, extended release
This dosage information does not include all the information needed to use Imdur safely and effectively. See full prescribing information for Imdur.
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The recommended starting dose of IMDUR Tablets is 30 mg (given as a single 30 mg tablet or as 1/2 of a 60 mg tablet) or 60 mg (given as a single tablet) once daily. After several days, the dosage may be increased to 120 mg (given as a single 120 mg tablet or as two 60 mg tablets) once daily. Rarely, 240 mg may be required. The daily dose of IMDUR Tablets should be taken in the morning on arising. IMDUR Extended Release Tablets should not be chewed or crushed and should be swallowed together with a half-glassful of fluid. Do not break the 30 mg tablet.