Navigation

Imdur vs. Isordil

Are Imdur and Isordil the Same Thing?

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.

What Are Possible Side Effects of Imdur?

Common side effects of Imdur include:

  • headache, and
  • dizziness

What Are Possible Side Effects of Isordil?

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:

What Is Imdur?

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

What Is Isordil?

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

What Drugs Interact With Imdur?

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.

What Drugs Interact With Isordil?

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.

How Should Imdur Be Taken?

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.

How Should Isordil Be Taken?

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.

Disclaimer

All drug information provided on RxList.com is sourced directly from drug monographs published by the U.S. Food and Drug Administration (FDA).

Any drug information published on RxList.com regarding general drug information, drug side effects, drug usage, dosage, and more are sourced from the original drug documentation found in its FDA drug monograph.

Drug information found in the drug comparisons published on RxList.com is primarily sourced from the FDA drug information. The drug comparison information found in this article does not contain any data from clinical trials with human participants or animals performed by any of the drug manufacturers comparing the drugs.

The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.

As drug information can and will change at any time, RxList.com makes every effort to update its drug information. Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current.

Any missing drug warnings or information does not in any way guarantee the safety, effectiveness, or the lack of adverse effects of any drug. The drug information provided is intended for reference only and should not be used as a substitute for medical advice.

If you have specific questions regarding a drug’s safety, side effects, usage, warnings, etc., you should contact your doctor or pharmacist, or refer to the individual drug monograph details found on the FDA.gov or RxList.com websites for more information.

You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.