Thanks for your query.
Your daughter is having urinary infection and it takes 24 to 48 hours for antibiotic to act.
Do not worry,continue with medication as advised,for fever
6 hourly till fever is above100F.
Give plenty of fluids,fruit juices,glucose
water,coconut water and simple bland diet to maintain proper hydration and nutrition.
If symptoms persist,get her re evaluated by your pediatrician
for further management.
Wishing your child good health.