Kidney diseases or the use of certain diuretics can increase the excretion of potassium in the urine, leading to low potassium levels.
Conditions like primary aldosteronism can lead to excessive potassium excretion in the urine.
Certain medications, such as diuretics, laxatives, corticosteroids, insulin, and beta-blockers, can cause low potassium levels.
Heavy sweating due to intense exercise or exposure to high temperatures can lead to potassium loss.
Certain chronic conditions, such as nephrotic syndrome or cystic fibrosis, can cause low potassium levels.
Eating disorders such as anorexia nervosa or bulimia can result in insufficient potassium intake.
Certain genetic disorders, such as Bartter syndrome or Gitelman syndrome, can cause low potassium levels.