Hi. Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concern...
As per your symptoms you are suffering
tonsillitis &
sore throat. Pain during yawning or swallowing may be there
Following treatment may be done.
1.Salt Water Gargle- Mix 1 tsp of salt with warm water in a glass. Gargle for roughly 15-20 seconds and spit out. You can repeat this as needed for 2-3 days. Remember to spit the water rather swallowing it.
2.Take anti-inflammatory drugs like Ibuprofen/
acetaminophen it will reduce pain & swelling.
3. You could take antibiotic like augmentin/ azithromycin
4.Drink plenty of water & Take rest.
You will start improving in 3 to 4 days..
Visit a Ear Nose Throat specialist, if problem persist
Hope this information helps.