Natual remedies may not be useful for your mom due to her age. By then, things tend to wear out. Ask for a prescription for Questran powder if Lomotil doesn't work. It is not a heavy duty medication. It merely binds up the bile acids. It has been a miracle cure for many people with chronic diarrhea. If she is not in Depends at her age, she has escaped much. I ended up in them at 51!