Treatment of resistant lithium-induced nephrogenic diabetes insipidus and schizoaffective psychosis with carbamazepine.

A man with resistant lithium-induced nephrogenic diabetes insipidus and affective psychosis was successfully treated with carbamazepine. Carbamazepine may be appropriate for concurrently treating lithium-induced renal dysfunction and manic-depression in patients whose prognosis may be jeopardized by lithium discontinuation.