Transient hematopoietic aberrations are often found in association with viral hepatitis but are usually considered to be clinically insignificant. However, these changes are occasionally severe and sometimes fatal. Of the various hematologic manifestations which have been reported, agranulocytosis is very rare. Only two case reports are previously described in the literature (1, 2). We have described here two cases of viral hepatitis with agranulocytosis. The bone marrow examination in both these patients showed hypercellularity. CASE REPORTS Case One An 18-year-old whke male (C.R., WCGH 472170) was admitted to Wayne County General Hospital on October 27, 1971, because of jaundice of 2 weeks' duration. He was well until 2 weeks before the onset of jaundice, when he experienced anorexia, nausea, and progressively increasing weakness. With the onset of jaundice he also noticed pruritus. Bdth gradually increased in severity. On the night before admission, fever, profuse perspiration, sore throat, and dry cough were noticed. He admitted to heavy wine drinking which he stopped after the onset of the present illness. He denied oral or parenteral drug abuse, although he was closely associated with heroin addicts. Two of his friends were hospitalized because of hepatitis. He denied exposure to hepatotoxic drugs. Trimeprazine, 2.5 mg tablets, was prescribed by his family physician for nausea 4 weeks before hospitalization. He took only 2 or 3 tablets and discontinued the medication as he had no relief of symptoms. Physical examination disclosed a well-developed white