Table 6:
Commonly Used Medications for Hepatic Encephalopathy
Drug
Dose (Acute)
Dose (Chronic)
Side Effects
Lactulose (oral) 45 mL PO Q1-2 hrs
15-45 mL PO Q6-12 hrs
Diarrhea, flatulence, cramps
Lactulose (enema) 300 mL in 1 L of water Q4-6 hrs
Not used chronically
Diarrhea, flatulence, cramps
Metronidazole 250 mg PO Q8-12 hrs
250 mg PO Q8-12 hrs
Peripheral neuropathy
Neomycin 1,000 mg PO Q4-8 hrs
500-1,000 mg PO Q6-12 hrs
Rare nephro- and ototoxicity
 
Copyright 2005 The Cleveland Clinic Foundation

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