Generic Isordil is used for preventing symptoms of angina (chest pain) caused by heart disease. This medicine is used alone or with other medicines. This medicine is NOT intended for the immediate relief of acute attacks of angina.

Generic Isordil Sublingual is used for preventing symptoms of angina (chest pain) caused by heart disease. This medicine is used alone or with other medicines. This medicine is NOT intended for the immediate relief of acute attacks of angina.