Generic Disopyramide

Available in the form of controlled-release or immediate-release capsules, generic disopyramide products are available and prescribed to treat serious heart rhythm problems. These products are made by various manufacturers and come in two strengths. The U.S. Food and Drug Administration tested the generic versions of disopyramide and has determined that they are equivalent to the brand-name products.

Can I Buy Generic Disopyramide?

Disopyramide (Norpace®, Norpace® CR) is a prescription medication approved to treat certain life-threatening heart rhythm problems that begin in the lower chamber of the heart, known medically as ventricular arrhythmias. It belongs to the antiarrhythmic class of medications.
Brand-name disopyramide is made by G.D. Searle, LLC, a division of Pfizer, Inc. However, the brand-name medication is no longer protected by patents, and generic versions are now available.

Available Strengths

Generic disopyramide capsules are available in the following strengths:
  • Disopyramide 100 mg
  • Disopyramide 150 mg.
Both strengths are available in immediate-release and controlled-release versions.

Who Makes Generic Disopyramide?

Generic immediate-release disopyramide is made by Watson Laboratories and Teva Pharmaceuticals. Generic controlled-release disopyramide is made by Nesher Pharmaceuticals.

Is Generic Disopyramide as Good as Norpace and Norpace CR?

All generic medications must undergo certain tests to compare them to brand-name medications. The U.S. Food and Drug Administration (FDA) then looks at these tests to decide if the generics are equivalent to the brand-name medications and assigns a rating to each one.
An "AB" rating means that the FDA has determined that a generic medication is equivalent to a brand-name medication. All of the generic disopyramide versions currently available have an "AB" rating, meaning they should be equivalent to the brand-name medication.
However, generic medications are allowed to have different inactive ingredients than the brand-name medication. This might include fillers, dyes, or other ingredients that may cause problems for people with allergies or sensitivities.
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Disopyramide Drug Information

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