Generic and chemical names of drugs and the possible adverse effects of these drugs on the human liver were tabulated. All drugs compiled in these tables have been approved by the Federal Drug Administration. They are currently available in the United States, and they are listed in the 1979Physicians' Desk Reference. The tables include: (1) names of drugs that have caused a characteristic morphologic change, such as cholestatic lobular hepatitis; (2) morphologic diagnoses that have been documented after administration of each drug; and (3) references that can be matched to each drug and to its effects on the liver.