hello and welcome to Health care magic,
I am Dr Sriram Nathan and I shall try to help you out with your problem
The bump around tonsils since is of a short duration can be due to many causes most of which are begnign and harmless so you do not have anything to worry about.
You may start a course of antibiotic like amox-clav along with an anti reflux medication
. Your doctor will know about these.
Take only non spicy, non oily and warm food and fluids
Take a course of multivitamin
in consultation with your doctor
If you do not get better in a week or so then you must consult an ENT doctor who may advice further course of action which may include biopsy
take care and do not worry
Dr Sriram Nathan