Imdur and the generic alternative Isosorbide mononitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease). This medication belongs to a class of drugs known as nitrates. It works by relaxing and widening blood vessels so blood can flow more easily to the heart. This medication will not relieve chest pain once it occurs. Also, it is not intended to be taken just before physical activities (such as exercise or sexual intercourse) to prevent chest pain. Other medications may be prescribed by your doctor for these conditions. Consult your doctor for more details.
Make sure to tell your doctor and pharmacist:
Also be aware that:
Common side-effects may include but are not limited to:
Contact your doctor if you experience any of the following side-effects:
Q: What happens if I miss a dose?
A: Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
Q: What should I avoid while taking Imdur?
A: This medicine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall. Avoid drinking alcohol. Alcohol may increase certain side effects of Imdur (dizziness, drowsiness, feeling light-headed, or fainting).