Isosorbide Mononitrate: uses, side effects & brands
Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Isosorbide mononitrate is a nitrate that prevents angina by widening blood vessels. It belongs to the Heart medicine (angina, rhythm & failure) group. These support the heart in angina, heart failure and rhythm problems.
Not a prescription — no dose shown. The right dose of isosorbide mononitrate depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
How do nitrates help chest pain?
They widen blood vessels so the heart gets more oxygen with less effort, relieving angina. A spray/tablet under the tongue works within minutes.
What should I do if angina is not relieved?
If chest pain does not settle with rest and your usual nitrate, treat it as a possible heart attack and seek emergency care.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.