Periodic paralysis is a rare genetic condition that causes episodes of muscle weakness or paralysis. These episodes can last from minutes to hours and often affect the arms and legs. The condition is linked to problems with ion channels in muscle cells, which disrupt the normal flow of sodium and potassium, essential for muscle function. There are different types of periodic paralysis, including hypokalemic periodic paralysis and hyperkalemic periodic paralysis, each characterized by changes in potassium levels in the blood. Triggers for these episodes can include exercise, stress, or certain foods. Treatment often focuses on managing symptoms and preventing attacks.