[Some peculiarities of lithium intoxication in the elderly]

This is a report on two 73- and 68-year-old female patients with monophasic mania, who had been treated with lithium compounds for six years (without showing any complications) and who, because of a relapse of mania, were therapeutically treated with lithium compounds on an inpatient basis. The intoxications observed in the two female patients are described. Also discussed are the peculiarities of lithium intoxication in old age.