what are the causes of low potassium?
['Medicines, such as diuretics (water pills), certain antibiotics.', 'Diarrhea or vomiting.', 'Eating disorders (such as bulimia)', 'Hyperaldosteronism.', 'Laxative overuse, which can cause diarrhea.', 'Chronic kidney disease.', 'Low magnesium level.', 'Sweating.']