Potassium deficiency may be associated with high blood pressure, congestive heart failure, cardiac arrhythmias, palpitations, Muscle Spasms, muscle weakness, hyperthyroid, mental apathy, blood sugar disorders, depression, erectile dysfunctions, fatigue, and general weakness, while severe potassium loss can cause death. Temporary loss of potassium can result from profuse sweating, or diarrhea and vomiting, which can also be a concern in infants... Full Text