Featured: isosorbide mononitrate, Imdur, Ismo, Monoket Main Article

Isosorbide mononitrate (Imdur, Ismo, Monoket) is in a class of drugs called nitrates. Isosorbide mononitrate (Imdur, Ismo, Monoket) is used to treat angina pectoris (heart pain, chest pain). Side effects, drug interactions, warnings and precautions, and safety during pregnancy should be reviewed prior to taking this medication.