S.H.
The 3rd and 4th day were the worst for my son. Make sure he drinks his water and takes his meds!!!! Ty refused water/meds from his Dad so when I got home from work he was in pain and his throat hurt and was very dry. He ended up puking up a bunch of blood. It would not have happened had he kept his tonsils/throat moist. Try cold/ice water. It will help with the swelling and the pain. Now is when the odor is the worst too.
It will get better in a day or two!