Suggest Treatment For Meningitis In A 4 Year Old Child

my nephew is about 4nd1/2 year old he had hardly eaten anything from last 3-4 days now he is admitted in a hospital some blood test had been taken in which his TLC, DLC was found very much increased a CT scan was also made and Dr. told menzietis (head fever) symptoms has been found. please tell what is this and is it currable