Isosorbide dinitrate is a prescription medication that is used to treat chest pain in patients that have coronary artery disease. Isosorbide dinitrate is a nitrate drug and works by widening and relaxing blood vessels allowing blood to flow to the heart more easily.

Make sure to always read the patient information and instructions before using this medication. Always follow your doctor’s directions.

• Take isosorbide dinitrate orally. It is typically taken 2-3 times a day.
• Isosorbide dinitrate is most effective when it is taken regularly.
• Do not stop taking this medication suddenly. Speak to your doctor about the best way to stop taking this medication.

Tell your doctor and pharmacist:

• About your drug and other allergies
• If you take any other prescription or over-the-counter medications
• Your medical history particularly of heart problems, low blood pressure, anemia, or dehydration
• If you drink alcohol
• If you are pregnant or planning pregnancy
• If you are breast-feeding

You should also know:

• This medication may affect your concentration. Avoid driving or operating machinery until you can do so safely.
• Older adults may be more sensitive to the side effects of this medication.

Common side effects of isosorbide dinitrate include but are not limited to:

• Headaches

Get medical help if you have any of the following side effects of isosorbide dinitrate.

• Fast or slow heartbeat
• Severe dizziness
• Passing out.
• Symptoms of an allergic reaction such as difficulty breathing, hives or swelling in your face, lips or throat

What should I do if I miss a dose of isosorbide dinitrate?

If you miss a dose of isosorbide dinitrate, you should take it as soon as you remember. However, if it is almost time for your next dose, then skip your missed dose.

What is the strength of isosorbide dinitrate?

Isosorbide dinitrate is available in strengths of 10mg and 30mg.