Multisystem atrophy made worse by lithium treatment in a hospice patient: a case report.

Multisystem atrophy is a neurologic condition defined as an adult-onset, progressive, neurodegenerative disease of unknown etiology. It carries a multisystem clinical course, including autonomic, urogenital, cerebellar, and parkinsonian features. Lithium toxicity, classically manifesting as increased thirst, polyuria, gastric distress, weight gain, tremor, fatigue, and mild cognitive impairment, can present in a similar manner.