Boxed warning: can cause hepatotoxicity, including severe or fatal hepatic VOD (also known as sinusoidal obstruction syndrome). Closely monitor patients for signs and symptoms of VOD including elevations in liver tests, hepatomegaly (which may be painful), rapid weight gain, and ascites. Monitor liver tests, including ALT, AST, and total bilirubin, prior to each dose of DECNUPAZ. Delay DECNUPAZ dosage for liver test elevation. 5. WARNINGS AND PRECAUTIONS I nfusion -related reactions (IRR): DECNUPAZ can cause serious, life-threatening IRR. Premedicate with a corticosteroid the day before infusion, and premedicate with a corticosteroid, antihistamine, and an antipyretic prior to DECNUPAZ infusion. Monitor patients for IRR. Interrupt, reduce the rate of infusion, or permanently discontinue DECNUPAZ based on the severity. Edema: Monitor for the development of edema and fluid retention.