Inhibitory agent for body cavity fluid accumulation

摘要

The purpose of the present invention is to provide a body cavity effusion suppressant that is effective against body cavity effusions for which the administration of a diuretic fails to yield a therapeutic effect, and that can exercise a therapeutic effect even when systemically administered. The present invention provides a body cavity effusion suppressant containing a covalent conjugate of an interferon and a polyalkylene glycol as an active ingredient.