Low Potassium (Hypokalemia): Signs, Symptoms, and Causes

Hypokalemia, or low blood potassium, can cause serious systemic issues. Discover how medications like Furosemide affect your levels and learn to recognize the early symptoms of a potassium imbalance.

senior doctor checking patient's test result

Signs & Symptoms of Low Potassium Levels in the Blood

Published Aug,14 2017 | By Chidambaram Sunder Valliappan

Blood potassium levels are closely regulated since both high and low levels can have life-threatening consequences. A normal potassium blood level is typically 3.5 to 5 milliequivalents per liter, or mEq/L. The normal range may vary slightly among testing laboratories, however.