[Beneficial effect of bromocriptine in a patient with malignant syndrome and hepatic dysfunctions].

A 39 year-old male, diagnosed as meningoencephalitis, was admitted because of the development of malignant syndrome. This syndrome appeared to have resulted from anti-psychotic drugs given to relieve excitement and insomnia. As he had hepatic dysfunctions, we could not administer dantrolene further. Therefore, we gave bromocriptine to ameliorate the symptoms such as muscle rigidity or hemodynamic perturbations. Thereafter, the patient gradually became stable in hemodynamics and in other symptoms. In addition, a further deterioration in hepatic functions did not occur with administration of bromocriptine. The case suggests that in patients with malignant syndrome associated with hepatic dysfunctions, bromocriptine could be a first choice as a pharmacological treatment of the syndrome.