Potassium Chloride Extended-Release

**Semantic type:** Pharmacologic Substance

**Definition:** An extended-release (ER) formulation of potassium chloride, the metal halide salt composed of potassium and chloride, that is used for the treatment and prophylaxis of hypokalemia. Upon oral administration, potassium chloride provides potassium. Potassium maintains normal fluid and electrolyte balance, regulates the proper functioning of heart and muscle contractions, supports healthy bone density and blood pressure. It also plays an important role in the transmission of nerve impulses and energy production.

**Synonyms:** - KCl ER