You may report side effects to FDA at 1-800-FDA-1088.Taking isosorbide mononitrate with certain other medicines can cause severely low blood pressure. Descriptions Isosorbide mononitrate is used to prevent angina (chest pain) caused by coronary artery disease (heart disease). Isosorbide dinitrate is a nitrate that dilates (widens) blood vessels, making it easier for blood to flow through them and easier for the heart to pump. Your dose may need to be gradually decreased.Although unlikely, when this medication is used for a long time, it may not work as well and may require different dosing. These headaches may gradually become less severe as you continue to use nitroglycerin. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.Things to remember when you fill your prescription.WebMD does not provide medical advice, diagnosis or treatment.isosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 120 mg tablet,extended release 24 hrisosorbide mononitrate ER 30 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrisosorbide mononitrate ER 60 mg tablet,extended release 24 hrThis survey is being conducted by the WebMD marketing sciences department.All information will be used in a manner consistent with the WebMD Isosorbide mononitrate (Imdur, Ismo, Monoket) is used to treat angina pectoris (heart pain, chest pain). Available for Android and iOS devices. Tell your doctor if this medication stops working well (for example, you have more frequent or worsening Headache is often a sign that this medication is working. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.In Canada - Call your doctor for medical advice about side effects. Some conditions may become worse when the drug is suddenly stopped. Get up slowly and steady yourself to prevent a fall.Isosorbide mononitrate can cause severe headaches. Follow all directions on your prescription label. Keep the bottle tightly closed when not in use.Take the missed dose as soon as you remember. This medication belongs to a class of drugs known as nitrates.

Overdose symptoms may include a severe throbbing headache, fever, confusion, severe dizziness, fast or pounding heartbeats, vision problems, nausea, vomiting, stomach pain, bloody diarrhea, trouble breathing, sweating, cold or clammy skin, fainting, and seizure (convulsions).This medicine may impair your thinking or reactions.