A 55-year-old woman presenting with vertigo and bilateral profound hearing loss of sudden onset following URI-like symptoms. She was first diagnosed as having idiopathic sudden deafness and received steroids. One week after steroid treatment, neurologic complication developed and Indian ink stain of cerebrospinal fluid revealed Cryptococcus neoformans. Treatment with Amphotericin-B and 5-fluorocytosine saved her life but failed to restore her hearing. It is important to excluded occult pathologic factor with sudden deafness prior to embarking on a course of steroid therapy.