My mom keeps passing gas with some bowel movement. it's not diarrhea but get gas is uncomfortable. what could it be? is it cause for concern?

Be seen: Presuming that your mother is over 50, any change in bowel habits should prompt her to be seen for it.

Maldigestion.: We all pass gas sometimes. Excessive gas without diarrhea often indicates incomplete digestion of food in the small intestine. Most common cause for excess gas is lactose intolerance also called lactase deficiency. If your mom eats dairy ask her to try avoiding all milk & dairy products for a week. She can also try lactaid milk. Another common cause are drugs that lower cholesterol.