Thank you for the query.
Well, as you have noticed she should be examined first. Prescribed medicine is not a good idea. Blood in stool
and temperature indicates bacterial infection and this should be checked with stool tests. In rare cases Henoch-Schönlein purpura
can also give such symptoms.
That is why I suggest you to take your daughter to the doctor and have stool tests done. Abdominal ultrasound
seems also advisable.
Hope this will help.