Imdur vs. Isordil

• Are Imdur and Isordil the Same Thing?
• What Are Possible Side Effects of Imdur?
• What Are Possible Side Effects of Isordil?
• What Is Imdur?
• What Is Isordil?
• What Drugs Interact with Imdur?
• What Drugs Interact with Isordil?
• How Should Imdur Be Taken?
• How Should Isordil Be Taken?

Imdur (isosorbide mononitrate) Extended Release and Isordil (isosorbide dinitrate) are vasodilators indicated for the prevention of angina pectoris due to coronary artery disease.

Side effects of Imdur and Isordil that are similar include headache and dizziness.

Side effects of Isordil that are different from Imdur include weakness and skin changes such as redness, tingling, or warmth.

Both Imdur and Isordil may interact with erectile dysfunction medications and calcium channel blockers.

Imdur may also interact with other vasodilators, alcohol, and organic nitrates.

Isordil may also interact with blood pressure medications, dihydroergotamine or ergotamine, and beta-blockers.

Common side effects of Imdur include:

• headache, and
• dizziness

Common side effects of Isordil include:

• headache,
• weakness,
• mild dizziness, and
• skin changes such as redness, tingling, or warmth.

Serious side effects of Isordil include:

• heart rate changes,
• increased chest pain (angina),
• fainting or near-fainting,
• nausea and vomiting,
• sweating,
• pale skin,
• blurry vision, and
• shortness of breath.

Imdur (isosorbide mononitrate) Extended Release Tablets are a vasodilator indicated for the prevention of angina pectoris due to coronary artery disease.

Isordil (isosorbide dinitrate) is a nitrate indicated for the prevention of angina due to coronary artery disease and congestive heart failure.

Imdur may interact with sildenafil, other vasodilators, alcohol, calcium channel blockers, and organic nitrates. Tell your doctor all medications and supplements you use. Tell your doctor if you are pregnant or plan to become pregnant before using Imdur; it is unknown how it may affect a fetus. It is unknown if Imdur passes into breast milk. Consult your doctor before breastfeeding.

Isordil may interact with blood pressure medications, dihydroergotamine or ergotamine, erectile dysfunction medications, beta-blockers, or calcium channel blockers. Tell your doctor all medications and supplements you use. It is not known if Isordil affects the fetus in pregnant women or if it occurs in breast milk. Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding before using Isordil. Safety and effectiveness of Isordil in pediatric patients have not been established.

The recommended starting dose of Imdur Tablets is 30 mg (given as a single 30 mg tablet or as 1/2 of a 60 mg tablet) or 60 mg (given as a single tablet) once daily. After several days, the dosage may be increased to 120 mg (given as a single 120 mg tablet or as two 60 mg tablets) once daily.

Isordil (isosorbide dinitrate) tablets come in strengths of 5 or 40 mg of isosorbide dinitrate. The usual starting dose of Isordil Titradose is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily, is recommended.