Management of periodic catatonia by risperidone

Catatonia is a syndrome having symptoms such as catalepsy, waxy flexibility, stupor, posturing, negativism, mutism and echolalia.1There are numerous causes of catatonia but patients with affective illness and schizophrenia, accounts for 25% of the catatonia population.2 An untreated and prolonged course of catatonic features may lead to life-threatening complications such as the development of pulmonary embolism or aspiration pneumonia, and significantly increased mortality and morbidity.3