Question: is imdur the same as nitroglycerin?
Answer: Are Imdur and Nitrolingual the Same Thing? Imdur (isosorbide mononitrate) Extended Release and Nitrolingual Pumpspray (nitroglycerin lingual spray) are vasodilators indicated for the prevention of angina pectoris. Side effects of Imdur and Nitrolingual that are similar include dizziness.