Hi. Thanks for your query. Noted the history about your Mother and understood the concerns. White watery stool is surely a problem of concern. Although she is not willing to go to a Doctor, get the stool tests done to see why and for how get the blood tests particularly the liver function tests. If there are some positive findings like hepatitis, jaundice or so she needs to be taken to the Doctor for further clinical evaluation, examination and investigations to get a proper diagnosis and management not to miss anything serious and not be late. If there is an infection she will need a prescription based antibiotic and metronidazole.