<prompt> A female suffering from psychosis, taking phenothiazines now complains of sudden onset of high grade fever, muscle rigidity and altered sensorium. The diagnosis is -Malignant hypehermiaNeuroleptic malignant syndromeTardive dyskinesiaAkathesia  <response>: Ans. is b i.e., Neuroleptic malignant syndrome o History of intake of antipsychotic drugs and high grade fever, muscle rigidity, altered sensorium suggests Neuroleptic Malignant Syndrome. 