Freelax Liquid is a type of sugar used to treat constipation. It is known as a laxative and makes your stool easier to pass by drawing water into your bowel. Hepatic encephalopathy is a severe liver disease that can cause changes in brain function leading to confusion, tremors (shaking), sleep problems, and loss of consciousness. Freelax Liquid is thought to work by lowering the level of a substance called ammonia in the blood which has harmful effects on the brain. If taken as prescribed, it can improve your brain function and reduce symptoms associated with hepatic encephalopathy.