Thanks for asking the query,
Swelling in the gums indicates inflammation of gums known as gingivitis
, it shows symptoms such as bleeding gums
Bacterial and viral infections leads to formation of fever
Get clinical examination done by a Pedodontist,
Take tab flemiklox 250 mg thrice daily for three days.
Take symptomatic treatment, go for complete mouth scaling and polishing.
Brush her teeth twice daily with a soft bristle toothbrush, brush slowly in back forth and up and down motion and rinse her mouth after every meal.
Use antiseptic mouthwash gargles twice daily.
Hope this helps out.