thanks for your query at HCM
i can feel your concerns ,
its seems to be acute tonsillitis
causing these symptoms.
you should give her antibiotics after consulting your doctor.
Avoid soft drinks and ice creams.
Start with honey and green tea to drink.
Get the ear examined by an ENT doctor. if any query
i will be available for your help
wishing you a speedy recovery
Dr. Imran Hussain