Safety Statements: A human poison by intravenous route; moderately toxic to humans by intramuscular route. Poison experimentally by intravenous and intraperitoneal routes. Human systemic effects by ingestion and intramuscular routes: dyspnea and fibrosing alveolitis (lung). Experimental reproductive effects. An eye irritant. Human mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See other bleomycin entries.