The review provides an update of drug-induced pulmonary disorders, focusing on newer agents whose effects on the lung have been studied recently. Included among these drugs are cyclosporine. cytosine arabinoside (Ara-C), amiodarone, interleukin-2 (IL-2), OKT3, tricyclic antidepressants. and bromocriptine. A brief review of the most common cytotoxic and noncytotoxic agents causing pulmonary toxicity is also included.