Mucomyst

Trade name: Mucomyst

Generic name: Acetylcysteine

Who:  Patients with decreased renal function in preparation for IV contrast. (Patients who have overdosed on acetaminophen).

What: Renal protection against IV contrast. (Antidote to acetaminophen that inactivates intermediate metabolite of acetaminophen to protect the liver)

When: Before IV contrast: twice daily for two days, starting the day before the procedure. (For acetaminophen overdose, after loading dose give Q4hours for 17 doses).

Where: In hospital or home setting one day before procedure, (or acute care medication for emergent treatment of overdose)

Why: Given to prevent Radiocontrast-Induced Renal Dysfunction when IV contrast is needed. (Given to prevent or lessen hepatic injury following overdose of acetaminophen).

How: PO 600 mg twice daily for 2 days beginning the day before the procedue. (For Tylenol overdose: PO loading dose is 140 mg/kg, maintenance dose is 70 mg/kg. IV: Loading 150 mg/kg, maintenance 50-100 mg/kg).

(Jennifer Wise and Maddie Quackenbush. Information obtained from Davis’ Drug Guide)