What is the first sign of low potassium?

Low potassium: The most common first sign of low potassium is leg cramping. If not treated , it can affect the heart as well. If any in doubt , see your doctor , get a blood test for potassium level and an office electrocardiogram can easily pick up sign of low potassium. Then finding out the causes of the potassium is important to prevent it recurrence. Common cuauses are medications, kidney or digestive loss.

Signs of low K.: 42 F. signs can develop very slowly. Here is my experience over 50 years in dealing with diseases that cause this: fatigue, muscle cramps, brain fog, peeing a lot at night, later during day as well, metallic taste in mouth. Some with this prob have been incorrectly diagnosed with MS, chronic fatigue, being "menopausal" chronic pain syndrome to mention a few. Can hep quickly with 2nd opinion here.