Thank you for your query.
Most likely she has a viral gastroenteritis
.Give her lots of fluids,a probiotic
syrup some yogurt and rest.Him her some antispasmodics for tummy ache.Avoid milk,fruits and wheat products for a while.Give her paracetamol
if she has fever
.Hope this answers your query.Wishing your child a speedy recovery.Have a nice day.