Hi Dear !! Thanks for your query to HCM. I reviewed facts of your query in context to your health issues and feel concerned about them. My Primary Opinion- In My opinion, in the given situation your mother in las seem to suffer from- Debility with drug induced diarrhoea-post bypass,from almost all the drugs you mother in law is taking. Besides these medicines, other causes of chronic diarrhoea needs to be ruled out. Dementia could be from-mineral deficiencies and fluid losses from chronic diarrhoea. Other causes need to be ruled out,after getting more details from you. Do s Suggested- Give Rice/ Banana/ butter milk -liquid diet x 3-6 weeks. Antibiotics with Immodium x 2 weeks to control diarrhoea Plenty of fluids and fruit juices Yoghurt/buttermilk feeds x 2 times a day, would recoup the Chronic diarrhoea and its effects of chronic dehydration with chronic mineral deficiencies Next Appointment- Asap-to resolve your problem Dear, Please update more information and details, on the lines asked above,to give further suggestions in this confusing complaint query. If you update more information/ details upon these suggestions, I would give further suggestions on medicines to correct your health issues. If need be, update any health issue 24 x 7 by a direct question to ME, at following HCM link-http://doctor.healthcaremagic.com/Funnel?page=askDoctorDirectly&docId=70229 Dear, if you don t have any further query in this regard, Do close this query with YOUR pleasing and excellent feedback comments to rate this reply and service, to boost the morale of incoming Emergency patients like YOU, at HCM services. If you want to update more details and ask more update queries , You are most Welcome herewith !! Good Day!! Wishing Good Healthy Life in time to come!! Dr.Savaskar M.N. Senior Surgical Specialist M.S.Genl-CVTS