Low Potassium (Hypokalemia) can be Deadly by Doc Willie Ong You may need Potassium tablet Causes of Low Potassium -Genetic -Diarrhea, vomiting and excessive sweat. -Deficiency on Nutritious and Healthy foods like fruits and vegetables. Solution: -Take potassium tablet (prescribe by doctor) like Kalium or K-Lyte tablets. -Consult your doctor -Eat banana, potato, orange, avocado, beans and so on. Watch the Video: