April 26, 2017
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Norpace Patient Information Including Side Effects

Brand Names: Norpace, Norpace CR

Generic Name: disopyramide (Pronunciation: DYE soe PIR a mide)

What is disopyramide (Norpace)?

Disopyramide affects the way that your heart beats.

Disopyramide is used to treat seriously irregular heartbeat patterns.

Disopyramide may also be used for purposes other than those listed in this medication guide.

Disopyramide 100 mg-TEV

red/turquoise, imprinted with biocraft 40

Disopyramide 150 mg-TEV

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What are the possible side effects of disopyramide (Norpace)?

If you experience any of the following serious side effects, stop taking disopyramide and seek emergency medical attention:

  • an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);
  • a new or a worsening irregular heartbeat pattern;
  • chest pain, chest discomfort, shortness of breath, or swelling of your legs or feet; or
  • severe dizziness.

Other, less serious side effects may be more likely to occur. Talk to your doctor if you experience

  • mild dizziness or tiredness,
  • headache,
  • blurred vision,
  • dry mouth,
  • rash, itching,
  • muscle aches or pains, or
  • difficulty urinating.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.

Read the Norpace (disopyramide phosphate) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about disopyramide (Norpace)?

Do not skip doses or change your dosing schedule without talking to your doctor. Changing your schedule could make your condition much worse.

Use caution when driving, operating machinery, or performing other hazardous activities. Disopyramide may cause dizziness, drowsiness, or blurred vision. If you experience dizziness, drowsiness, or blurred vision, avoid these activities.

Do not crush, chew, or break any controlled-release (CR) forms of disopyramide. Swallow them whole. They are specially formulated to release slowly in your body.

Side Effects Centers

Norpace - User Reviews

Norpace User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Norpace sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Heart Health

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