Skip to Content

Generic OsmoPrep Availability

OsmoPrep is a brand name of sodium biphosphate/sodium phosphate, approved by the FDA in the following formulation(s):

OSMOPREP (sodium phosphate, dibasic, anhydrous; sodium phosphate, monobasic, monohydrate - tablet;oral)

  • Manufacturer: SALIX PHARMS
    Approval date: March 16, 2006
    Strength(s): 0.398GM;1.102GM [RLD]

Has a generic version of OsmoPrep been approved?

No. There is currently no therapeutically equivalent version of OsmoPrep available in the United States.

Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of OsmoPrep. These medications may be counterfeit and potentially unsafe. If you purchase medications online, be sure you are buying from a reputable and valid online pharmacy. Ask your health care provider for advice if you are unsure about the online purchase of any medication.

See also: Generic Drug FAQs.

Related Patents

Patents are granted by the U.S. Patent and Trademark Office at any time during a drug's development and may include a wide range of claims.

  • Colonic purgative composition with soluble binding agent
    Patent 7,687,075
    Issued: March 30, 2010
    Inventor(s): Skiendzielewski; Stephen & Rose; Martin & Do; Ngoc
    Assignee(s): Salix Pharmaceuticals, Ltd.

    This invention relates to novel colonic purgative compositions in a solid dosage form, comprising at least one purgative and at least one soluble, or soluble, nonfermentable binder, such as polyethylene glycol. Further, this invention relates to methods of using the colonic purgative compositions. The present compositions and methods are designed to improve patient tolerance and compliance, while at the same time improving the quality of bowel cleansing. The formulations and methods of this invention are particularly useful to cleanse the bowel prior to diagnostic and surgical procedures and can also be employed in lower dosages as a laxative to promote elimination and/or to relieve constipation.

    Patent expiration dates:

    • June 22, 2028
      Drug substance
      Drug product

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.


Term Definition
Drug Patent A drug patent is assigned by the U.S. Patent and Trademark Office and assigns exclusive legal right to the patent holder to protect the proprietary chemical formulation. The patent assigns exclusive legal right to the inventor or patent holder, and may include entities such as the drug brand name, trademark, product dosage form, ingredient formulation, or manufacturing process A patent usually expires 20 years from the date of filing, but can be variable based on many factors, including development of new formulations of the original chemical, and patent infringement litigation.
Drug Exclusivity Exclusivity is the sole marketing rights granted by the FDA to a manufacturer upon the approval of a drug and may run simultaneously with a patent. Exclusivity periods can run from 180 days to seven years depending upon the circumstance of the exclusivity grant.
RLD A Reference Listed Drug (RLD) is an approved drug product to which new generic versions are compared to show that they are bioequivalent. A drug company seeking approval to market a generic equivalent must refer to the Reference Listed Drug in its Abbreviated New Drug Application (ANDA). By designating a single reference listed drug as the standard to which all generic versions must be shown to be bioequivalent, FDA hopes to avoid possible significant variations among generic drugs and their brand name counterpart.