Potassium chloride extended-release tablets are sugar-coated tablets that appear white when the coating is removed. A typical tablet is 0.5 grams, and a box of 24 tablets is priced at about $10 for this size. Potassium chloride extended-release tablets are mainly used for the treatment of hypokalemia or digitalis intoxication caused by multiple or frequent premature beats or tachyarrhythmia, etc.. It is recommended to take it after meals, which can effectively relieve the discomfort symptoms produced by this drug on the gastrointestinal tract. If the gastrointestinal reaction is strong people can switch to oral solution. This medicine should be taken under the supervision of a doctor. Do not use the medicine privately. It is contraindicated in patients with hyperkalemia, low urine output and urinary inactivity. Common adverse reactions to taking this drug include vomiting and nausea due to gastrointestinal irritation, abdominal pain and diarrhea, peptic ulcer and bleeding. If adverse reactions occur, seek medical attention immediately to avoid delay.