Hyperthyroid psychosis.

Disorders of the thyroid gland commonly produce mental changes, albeit these are usually minor disturbances. The neurotic symptoms of thyrotoxicosis like anxiety and irritability are prosaic and may antedate physical complaints. There is a plethora of literature on the psychosis associated with myxoedema but a paucity of information on hyperthyroidism. Reviews by Greer and Parsons I and Whybrow et al. ~show the protean presentation and enormous variation in thyrotoxic psychosis.