Generic Chlorthalidone

Generic chlorthalidone, while available, is not equivalent to brand-name Thalitone. Thalitone has a different formulation and is more potent. Generic chlorthalidone comes in three different strengths, ranging from 25 to 100 mg, and is manufactured by several different companies. As a diuretic, it is commonly used to treat water retention and high blood pressure.

 

An Overview of Generic Chlorthalidone

Chlorthalidone (Thalitone®) is a prescription medication that has been licensed to treat high blood pressure (hypertension) and water retention (edema). It is part of a group of medications known as diuretics.
 
Brand-name Thalitone is made by Monarch Pharmaceuticals. Although generic chlorthalidone is available, the current versions are not equivalent to brand-name Thalitone. Thalitone is formulated differently and is more potent than generic chlorthalidone.
 

When Will Generic Thalitone Be Available?

The patent for Thalitone expired in June 2007. However, currently there are no approved generic versions of Thalitone. This may be because generic manufacturers have not yet chosen to make a generic version of Thalitone, or it could be because the United States Food and Drug Administration (FDA) has not approved any generic versions (or may in the process of reviewing such products). At this time, it is impossible to know when a generic version of Thalitone may become available.
 
Once generic versions become available, it will be important to understand that the versions of generic chlorthalidone currently available will not be equivalent to generic Thalitone. Generic Thalitone will be more potent and will be available in a lower strength (15 mg tablets).
 

Strengths of Generic Chlorthalidone

Generic chlorthalidone tablets are available in the following strengths:
 
  • Chlorthalidone 25 mg tablets
  • Chlorthalidone 50 mg tablets
  • Chlorthalidone 100 mg tablets.
     
(Generic Chlorthalidone Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;