may struggle to maintain normal energy and muscle function. Fatigue is one of the symptoms listed by both Mayo Clinic and MedlinePlus for low potassium.
2. Muscle Weakness
Muscle weakness is one of the classic warning signs. It may feel like your legs are heavy, your arms tire quickly, or simple tasks require more effort than usual.
In more serious cases, weakness can become severe. Merck Manual explains that a larger decrease in potassium can cause muscle weakness, cramping, twitches, and even paralysis.
If weakness is sudden, severe, or affects
