Pot paresis: marijuana and a case of hypokalemic periodic paralysis.

A Polynesian (Maori) man presented with muscle pain and weakness 36 h after smoking marijuana and then going on an eating binge, consuming a large amount of salt and carbohydrates. The electrocardiogram showed hypokalemic changes. Serum potassium was 2.0 mmoles/L. His symptoms and the hypokalemia resolved within 12 h of presentation without any treatment.