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Prescription medicine

Barium sulfate Brand names: Varibar, Readi-Cat, E-Z-Paque, E-Z-Disk, Entero; first approved as E-Z-Cat Dry

Barium sulfate (Readi-Cat) is a prescription medicine with an FDA approval on record since 2016. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: the barium sulfate FDA label on DailyMed (effective April 15, 2026, E-Z-EM Canada Inc); the NDA 208036 record on Drugs@FDA; every barium sulfate label on DailyMed.

Highlights of the record

FDA label of April 15, 2026; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

READI-CAT 2 and READI-CAT 2 SMOOTHIES are indicated for use in computed tomography (CT) of the abdomen to delineate the gastrointestinal (GI) tract in adult and pediatric patients.

Forms and strengths

  • 700 mg
  • 0.6 g/ml
  • 0.81 g/g
  • 20 mg/ml
  • 240 mg/ml
  • 400 mg/ml
  • 960 mg/g
  • 980 mg/g

Suspension; powder for suspension; tablet; paste.

On the market

Earliest approval on file
January 11, 2016 E-Z-Cat Dry, Bracco; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
2 of which 0 under generic applications, 2 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
3 since 2013 0 Class I among all firms' recalls; latest April 13, 2022; 1 more by firms not listed as its makers
FAERS reports
434 through July 30, 2026

What is barium sulfate used for?

From the label: indications and usage

READI-CAT 2 and READI-CAT 2 SMOOTHIES are indicated for use in computed tomography (CT) of the abdomen to delineate the gastrointestinal (GI) tract in adult and pediatric patients. READI-CAT 2 and READI-CAT 2 SMOOTHIE are radiographic contrast agents, indicated for use in computed tomography (CT) of the abdomen to delineate the gastrointestinal (GI) tract in adult and pediatric patients

FDA pharmacologic class: Radiographic Contrast Agent.

Source: FDA drug label (Readi-Cat 2 Berry Smoothie), NDA208143 (Bracco), as published by E-Z-EM Canada Inc, effective April 15, 2026 (SPL set d2d293d5-dcc9-0d3f-58ed-686ef0132d7c), via openFDA; the full label on DailyMed

Is there a generic for barium sulfate (Readi-Cat)?

No generic barium sulfate is approved (Drugs@FDA, October 8, 2026).

  • 2016 earliest approval on file
  • red ticks recalls

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

Has barium sulfate been recalled?

The FDA's Enforcement Report lists 4 recalls naming barium sulfate since 2013: 0 Class I (the most serious), 2 Class II, 2 Class III; 0 still ongoing. 1 of them is by a firm that FDA's NDC Directory does not list as a maker of barium sulfate and that holds no application for it in Drugs@FDA, such as compounding pharmacies or bulk-ingredient suppliers; the recall notice names the product recalled. A recall names products and lots, not every product of the medicine.

StartedClassCompanyReason
April 13, 2022Class IIMckesson Medical-Surgical Inc. Corporate OfficecGMP deviations: Temperature abuse
March 8, 2018Class IIBracco Diagnostics Inc. not a listed makerFailed stability specifications: Out-of-specification (OOS) result for a preservative assay - methylparaben - during stability testing of one lot.
July 2, 2014Class IIIBracco Diagnostic IncSubpotent Drug: Low out of specification results for both pH and assay obtained during routine stability testing after 36 months.
July 19, 2013Class IIIBracco Diagnostics IncFailed Stability Specifications: Tagitol V Barium Sulfate Lot #65846 sampled at 10 months exhibited results above the upper specification for viscosity.

Source: FDA Enforcement Report (drug recalls) via openFDA, through October 8, 2026

What do FAERS reports show for barium sulfate?

The FDA Adverse Event Reporting System holds 434 reports that list barium sulfate among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 31 are coded as a death and 125 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

The most reported reactions

  • Aspiration (named in the label)69
  • No Adverse Event (a use or a product term, not a reaction)35
  • Urticaria (named in the label)28
  • Diarrhoea (named in the label)27
  • Pruritus19
  • Acute Kidney Injury18
  • Dyspnoea18
  • Renal Failure18

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Other radiographic contrast agents
the pharmacologic class, with prices and generics
Barium sulfate side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other