Potassium citrate granules are used to replenish potassium, that is, to replenish the level of potassium ions in the body. For some special patients, such as patients with heart failure taking diuretics for a long time, or patients with renal tubular acidosis, hypokalemia, that is, the lack of potassium in the body, may occur, at this time you need to replenish potassium, and Potassium Citrate Granules is an oral potassium replenishment drug. Another kind of oral potassium supplement drug is potassium chloride, but potassium chloride is more irritating to the gastrointestinal tract and tastes bad, so patients are more rejected when taking it. Potassium citrate granules are different, it is fruit-flavored potassium, that is, the taste is much better, the stimulation to the gastrointestinal tract is smaller, the patient will have a better experience when drinking, and the compliance will be higher. So for this type of patients, doctors often give him potassium citrate granules for potassium supplementation. But potassium citrate granules should be careful not to overdose, otherwise hyperkalemia may occur.