1Take the tablet on an empty stomach and lie down afterward to improve absorption.
2Take the tablet with a meal and a full glass of water, and swallow it whole without crushing or chewing.✓ Correct answer
3Crush the tablet into applesauce so the potassium is released before reaching the stomach.
4Take two tablets together after a missed dose unless the next scheduled dose is within 1 hour.
Explanation
Potassium chloride extended-release tablets should be taken with meals and a glass of water or other liquid to reduce gastrointestinal irritation. The tablet should be swallowed whole without crushing, chewing, or sucking unless the specific product labeling provides an approved alternative method. It should not be taken on an empty stomach, and missed doses are not doubled without prescriber direction.
Clinical reasoning Concentrated potassium contacting the gastrointestinal mucosa can cause irritation, ulceration, or bleeding. Food, adequate fluid, and preservation of the extended-release formulation reduce localized exposure.
Decision rule Give extended-release KCl with food and water, keep the dosage form intact, and verify product-specific instructions if swallowing is difficult.
Scenario A client with hypokalemia is prescribed a potassium chloride extended-release tablet. The client asks how to take it safely.
Potassium chloride extended release — An oral potassium replacement formulated to release potassium gradually and reduce concentrated gastrointestinal exposure.
Gastrointestinal irritation — Mucosal injury risk that increases when concentrated potassium is taken without food or the dosage form is altered.
Salt substitute — Contains KCl; can cause hyperkalemia with K-sparing drugs.