Low Potassium Symptoms

Usually symptoms of low potassium are mild. At times they can be vague. You may have more than one symptom involving the gastrointestinal (GI) tract, kidneys, muscles, heart, and nerves.

• Weakness, tiredness, or cramping in arm or leg muscles, sometimes severe enough to cause inability to move arms or legs due to weakness (much like a paralysis)

• Tingling or numbness

• Nausea or vomiting

• Abdominal cramping, bloating

• Constipation

• Palpitations (feeling your heart beat irregularly)

• Passing large amounts of urine or feeling very thirsty most of the time

• Fainting due to low blood pressure

• Abnormal psychological behavior: depression, psychosis, delirium, confusion, or hallucinations.