Potassium Chloride Granules is an electrolyte supplement that can be used to treat hypokalemia. Patients with hypokalemia should strictly follow the doctor’s instruction to take the medicine, and the blood potassium level should be monitored during the medication. The main ingredient of potassium chloride granules is potassium chloride, which can be used for the treatment of hypokalemia caused by vomiting, insufficient food, severe diarrhea, etc. It can also be used for the prevention of hypokalemia, and also has a therapeutic effect on the polygenic, frequent premature beats and tachyarrhythmia caused by digitalis intoxication. Hyperkalemia and hypersensitivity to the pharmaceutical composition of potassium chloride granules are contraindicated. It should be taken with caution in patients with acute dehydration, renal insufficiency, prerenal oliguria, conduction block arrhythmias. During drug administration, strict monitoring of blood potassium, electrocardiogram, ion levels (blood magnesium, sodium, calcium), urine output and renal function is required. Patients may experience adverse reactions such as nausea, vomiting, and bleeding after taking the drug. Hypokalemia patients can take potassium chloride granules under the guidance of professional doctors, and strictly monitor the blood potassium and other related indicators during the use of the drug, so as to avoid the occurrence of danger and delayed condition.