“…Consequently, it has been used to manage hepatic encephalopathy associated with liver failure, although its efficacy for this purpose is controversial. 62 Lactulose is generally well-tolerated, with flatulence, cramping, abdominal discomfort, nausea, and vomiting reported at typical dosages. Large dosages can cause diarrhea, fluid loss, hypokalemia, and hypernatremia.…”