Which of the following laxatives lowers blood ammonia level in hepatic encephalopathy?
(Ref: KDT 6/e p655) Lactulose is degraded to lactic acid that conves NH3 to NH4+. As ionic molecules cannot cross biological membranes, it is not absorbed and is thus excreted.
Bisacodyl
Liquid paraffin
Lactulose
Magnesium sulfate
Other topics and Adverse effects