Sodium Sulfate / Magnesium Sulfate / Potassium Chloride: brand names and study card

Sodium Sulfate / Magnesium Sulfate / Potassium Chloride — Osmotic laxative (sulfate tablet bowel prep). Study the mechanism, listed uses and warnings from the US label on one sourced card.

Generic name
Sodium Sulfate / Magnesium Sulfate / Potassium Chloride
Brands
Sutab
Class
Osmotic laxative (sulfate tablet bowel prep)
Mechanism
Sodium and magnesium sulfate act osmotically, retaining water in the colon lumen and producing loose stools.
Used for
Colon cleansing before colonoscopy (adults)
Common side effects
Nausea; Abdominal distension; Vomiting; Upper abdominal pain
Warnings
Fluid and electrolyte abnormalities; Cardiac arrhythmias, seizures; Contraindicated in GI obstruction or perforation
Interactions
Drugs raising fluid/electrolyte risk; Tetracyclines, fluoroquinolones, iron, digoxin; Stimulant laxatives
Read the source label ↗

Label date: 20260131 · For learning, not clinical decisions. US label and brand information; always consult the current source.

Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.

Pronunciation

Sodium Sulfate: SOE-dee-um SUL-fate · Magnesium Sulfate: mag-NEE-zee-um SUL-fate · Potassium Chloride: poe-TAS-ee-um KLOR-ide

Pronunciation is shown for the US English generic name.

Body system

GI · 22 Drug cards

Compare with related cards

Mesalamine

Same body system: GI

Mechanism: 5-ASA has an incompletely understood mechanism that appears to involve local anti-inflammatory effects on colonic epithelium; inhibition of prostanoid and leukotriene production is a possible mechanism.

On both cards: Common side effects — Nausea; Upper abdominal pain

Only on the Mesalamine card: Used for — Maintenance of ulcerative-colitis remission in adults, for the cited extended-release capsules · Common side effects — Headache; Diarrhea; Nasopharyngitis · Warnings — Renal impairment; Acute intolerance syndrome; Salicylate hypersensitivity (contraindicated) · Interactions — Nephrotoxic agents incl. NSAIDs; Azathioprine / 6-mercaptopurine; Antacids

An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.