Looks like amoebiasis
Thanks for writing to to health care magic.
Your daughters stool tests look like amoebiasis which is caused by a parasite.
This is usually treated with metronidazole
for atleast 7 days. I see good improvement after antibiotic therapy in most of my patients. Your treating doctor will know about this medicine.
Also give her probiotics like bifilac
twice daily which I usually give in my clinic.
Ensure she takes oral electrolyte solutions frequently like electral.