For diarrhoea there's the BRAT diet
B - bananas
R - rice
A - apples (stewed)
T - toast (it's supposed to be tea, but los can't have it!)
Oh and the chicken soup is good if you add rice - something about the mixture of the protein and starch helps the body absorb water better. Carrot soup is also supposed to be soothing for the gut, and the beta-carotene helps too.
Also - don't use baby-wipes if you can help it - the skin on her botty might get sore with all this ick coming out, and the wipes may make it worse - just use damp cotton wool until she's better.
HTH,
to poorly lo