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Abstract
Thyrotoxic hypokalaemic periodic paralysis (TPP) is characterized by acute and reversible episodes of muscle weakness during thyrotoxicosis and associated with low potassium levels. Increased sodium-potassium ATPase activity in TPP leads to sudden influx of potassium into muscle cells and results in hypokalaemia. It is seen most commonly in Southeast Asian men. TPP is a rare condition in our country. Although only three patients were reported from Turkey in the English literature, there are Turkish cases reported in the national literature. Here we report a case of TPP due to toxic nodular goiter and review the literature.