Abnormal heart rhythms
Constipation
Fatigue
Kidney problems
Muscle cramps or weakness
Muscle twitches
Palpitations
Paralysis
Weakness
Adrenal disorders
Alcoholism
Bartter syndrome
Cushing syndrome
Diabetic ketoacidosis
Diarrhea
Use of Diuretics (water retention relievers)
Excessive sweating
Folic acid deficiency
Gitelman syndrome
High doses of penicillin
Insufficient potassium in the diet
Kidney disease
Liddle syndrome
Conn's Syndrome
Prolonged use of a laxative
Some antibiotic use
Vomiting
General Physician