Lactulose keeps farting. Is that normal?

Lactulose is an osmotic laxative and is often used to treat constipation and hepatic encephalopathy. Lactulose can promote intestinal peristalsis caused by intestinal flatulence, intestinal peristalsis increases the gas from the anus, so the phenomenon of increased exhaust.
Lactulose can increase intestinal content to promote intestinal peristalsis, often used as a laxative to treat constipation; it can also reduce intestinal pH value to treat hepatic encephalopathy. Increased intestinal peristalsis leads to gastrointestinal flatulence, the gas is discharged from the anus, there is an increase in farting, which is a normal phenomenon, do not worry.
It should be contraindicated for those who are allergic to lactulose and any of the excipients, gastrointestinal obstruction, acute abdominal pain, risk of gastrointestinal perforation, galactose intolerance, lactase deficiency.