Isosorbide dinitrate is available in tablet form and should be taken orally, typically 2 to 3 times per day or as prescribed by your doctor. Take the medication at the same time each day and do not change the dosing schedule unless instructed to do so by a healthcare professional. The tablets should not be crushed or chewed as this can affect the release of the medication.
To get the most benefit from the medication, it should be taken regularly. Do not stop taking the medication suddenly without consulting your doctor, as this may cause certain conditions to worsen. If your doctor decides to discontinue the medication, your dose may need to be gradually decreased.
The recommended oral dosage of isosorbide dinitrate tablets is 5 to 20 milligrams (mg) for adults, to be taken two or three times a day, as needed. The actual dose may vary and should be determined by a doctor. There is no established dosage for children, and so the doctor must determine the appropriate dosage for pediatric patients on a case-by-case basis.
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