Care Kaolin & Morphine Mixture For Upset Stomachs & Diarrhoea Relief 200ml Expires July 2013 Kaolin & Morphine Mixture BP provides relief from occasional diarrhoea & upset stomachs. The first active ingredient in the mixture, Morphine, increases the frequency of bowel movement & reduces the pain associated with diarrhoea (muscle contractions). The second active ingredient, Kaolin, removes the toxins from the digestive system & increases the bulk of solid waste.