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Isordil Side Effects

Generic name: isosorbide dinitrate

Medically reviewed by Drugs.com. Last updated on May 15, 2024.

Note: This document provides detailed information about Isordil.

Applies to isosorbide dinitrate: capsule extended release, tablet, tablet extended release Side Effects associated with isosorbide dinitrate. Some dosage forms listed on this page may not apply specifically to the brand name Isordil.

Applies to isosorbide dinitrate: capsule extended release, tablet, tablet extended release.

Precautions

If you will be taking this medicine for a long time, it is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.

Do not take avanafil (Stendra®), riociguat (Adempas®), sildenafil (Viagra®), tadalafil (Cialis®), or vardenafil (Levitra®) while you are using this medicine. Using these medicines together may cause blurred vision, dizziness, lightheadedness, or fainting. If you are taking these medicines and you experience an angina attack, you must go to the hospital right away.

This medicine may cause headaches. These headaches are a sign that the medicine is working. Do not stop using the medicine or change the time you use it in order to avoid the headaches. If you have severe pain, talk with your doctor.

Dizziness, lightheadedness, or faintness may occur, especially when you get up quickly from a lying or sitting position. Getting up slowly may help.

Dizziness, lightheadedness, or fainting is also more likely to occur if you drink alcohol, stand for long periods of time, exercise, or if the weather is hot. While you are taking this medicine, be careful to limit the amount of alcohol you drink. Also, use extra care during exercise or hot weather or if you must stand for long periods of time.

Do not stop using this medicine without checking first with your doctor. Your doctor may want you to gradually reduce the amount you are using before stopping it completely.

Serious side effects of Isordil

Along with its needed effects, isosorbide dinitrate (the active ingredient contained in Isordil) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking isosorbide dinitrate:

Rare side effects

  • bluish-colored lips, fingernails, or palms
  • dark urine
  • difficulty with breathing
  • dizziness or lightheadedness
  • fever
  • headache
  • pale skin
  • rapid heart rate
  • sore throat
  • unusual bleeding or bruising
  • unusual tiredness or weakness

Incidence not known

  • arm, back, or jaw pain
  • blurred vision
  • chest pain or discomfort
  • chest tightness or heaviness
  • confusion
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • fainting
  • fast or irregular heartbeat
  • sweating

Get emergency help immediately if any of the following symptoms of overdose occur while taking isosorbide dinitrate:

Symptoms of overdose

For healthcare professionals

Applies to isosorbide dinitrate: oral capsule extended release, oral tablet, oral tablet chewable, oral tablet extended release, sublingual tablet.

General adverse events

The most common side effect was headache.[Ref]

Nervous system

Cardiovascular

Other

Dermatologic

Gastrointestinal

Endocrine

Ocular

Respiratory

Hematologic

Psychiatric

See also:

References

1. (2002) "Product Information. Isordil (isosorbide dinitrate)." Wyeth-Ayerst Laboratories

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

3. Cerner Multum, Inc. "Australian Product Information."

Further information

Isordil side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.