Hypokalemia may lead to an irregular heartbeat, also known as arrhythmia. Some arrhythmias can be life threatening without treatment, but restoring potassium levels may help reverse symptoms alongside ...

DEAR DR. GOTT: My doctor, who isn't very bright, put me on high blood pressure medicine. He failed to warn me that the drug could cause potassium deficiency. Now my mouth is dry and my lips are ...