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K-Tab is a prescription extended-release potassium chloride tablet used for treatment and prevention of hypokalemia with or without metabolic alkalosis when dietary potassium or reduction of a potassium-lowering medicine is insufficient. Current labeling includes 8 mEq, 10 mEq, and 20 mEq tablet strengths.
read more about ktab ...Potassium chloride supplies potassium and chloride ions. Potassium is required for normal cellular function, nerve conduction, skeletal and smooth muscle contraction, and cardiac activity. Replacement restores depleted potassium stores.
K-Tab is used for treatment or prevention of hypokalemia when oral extended-release potassium is appropriate. If serum potassium is below 2.5 mEq per L, current labeling directs intravenous potassium instead of oral supplementation. Concomitant use with triamterene or amiloride is contraindicated.
Treatment of hypokalemia typically uses 40 mEq to 100 mEq daily in divided doses, with no more than 20 mEq in one dose. Prevention typically uses 20 mEq daily. K-Tab is taken with meals and a glass of water or other liquid and is swallowed whole without crushing, chewing, or sucking.
Excess potassium can cause severe or fatal hyperkalemia, especially when kidney function is impaired or medicines that retain potassium are used. Solid potassium chloride tablets can cause gastrointestinal irritation, ulceration, narrowing, bleeding, obstruction, or perforation. Severe vomiting, abdominal pain, distention, or gastrointestinal bleeding requires prompt evaluation.
K-Tab treats or prevents hypokalemia with or without metabolic alkalosis under current labeling.
The typical prevention dose is 20 mEq daily.
The typical treatment range is 40 mEq to 100 mEq daily in divided doses.
No. Current labeling directs patients to swallow K-Tab whole.
K-TAB (Potassium Chloride) Prescribing Information. https://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=d87dff5c-4e55-480d-b8ee-ab19d2280f92. Date Accessed October 7, 2026.
Potassium: MedlinePlus Drug Information. https://medlineplus.gov/druginfo/meds/a601099.html. Date Accessed October 7, 2026.
Potassium. https://www.ncbi.nlm.nih.gov/books/NBK539791/. Date Accessed October 7, 2026.
Potassium Chloride. https://www.ncbi.nlm.nih.gov/books/NBK557785/. Date Accessed October 7, 2026.
Potassium Chloride Extended-Release Tablets Prescribing Information. https://www.dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=0224e5b3-3c49-4e6e-aa78-1abcc6969246. Date Accessed October 7, 2026.