Epilepsy Home > Generic Zarontin

Generic Zarontin is available in the form of a capsule or syrup. All of the generic Zarontin drugs that are currently available have an "AB" rating, which means that they are equivalent to the brand-name medicine. However, the generic versions may have different inactive ingredients that may cause problems in some people.

Generic Zarontin: An Overview

Zarontin® (ethosuximide) is a prescription epilepsy medication. In particular, Zarontin is approved to treat a certain type of epileptic seizure called absence seizures (also known as petit mal seizures).
 
Currently, Zarontin is manufactured by Pfizer. However, the patents for Zarontin have expired and Zarontin is available in generic versions.
 

Strengths of Generic Zarontin

Generic Zarontin capsules are available in one strength -- Ethosuximide 250 mg capsules. Generic Zarontin syrup is also available in one strength -- Ethosuximide syrup 250 mg per 5 mL (equivalent to 250 mg per teaspoonful).
 

Who Makes Generic Zarontin?

Generic Zarontin is made by the following manufacturers:
 
  • Beach Products
  • Pliva
  • Teva Pharmaceuticals
  • VersaPharm Incorporated.
     

Is Generic Ethosuximide as Good as Zarontin?

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 each generic a rating. An "AB" rating means that the FDA has determined that a generic medication is equivalent to a brand-name medication. All of the generic ethosuximide versions currently available have an "AB" rating, meaning they should be equivalent to Zarontin.
 
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.
 
It should also be noted that many healthcare providers believe that special care should be taken when switching a patient from a brand-name seizure medication to a generic one. For this reason, you may want to check with your healthcare provider before switching to a generic version of Zarontin (or even before switching between different generic versions of Zarontin).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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