Tonopaque Suspension
Generic name:barium sulfate
Dosage form: oral or rectal suspension
Drug class:Non-iodinated contrast media
Medically reviewed by Drugs.com. Last updated on Jul 22, 2021.
Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here.
On This Page
The Tonopaque brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.
Tonopaque Suspension Description
Tonopaque is a cherry flavored barium sulfate formulation for use as a contrast medium during x-ray diagnosis of the gastrointestinal tract. An aqueous suspension of the product is to be prepared at the time of administration.
The contrast medium contains 95% barium sulfate, sorbitol, suspending agents, potassium sorbate, simethicone, flavoring and saccharin sodium. Barium sulfate has the empirical formula of BaSO4.
Tonopaque Suspension - Clinical Pharmacology
Barium sulfate is an insoluble material which, because of its density, provides a positive contrast during x-ray examination. Barium sulfate is an inert radiopaque material which is not absorbed or metabolized and is eliminated intact from the body in a manner similar to other non-absorbed inorganic materials. Excretion rate is a function of gastrointestinal transit time.
Indications and Usage for Tonopaque Suspension
Tonopaque is indicated for use as a contrast medium in x-ray diagnosis of the gastrointestinal tract.
Contraindications
Barium sulfate products are contraindicated in patients with known or suspected obstruction of the colon, known or suspected gastrointestinal tract perforation, suspected tracheoesophageal fistula, obstructing lesions of the small intestine, pyloric stenosis, inflammation or neoplastic lesions of the rectum, recent rectal biopsy, or known hypersensitivity to barium sulfate formulations.
Barium sulfate suspensions should not be used for infants with swallowing disorders or for newborns with complete duodenal or jejunal obstruction or when distal small bowel or colon obst...
