Question: what to do when your gums get swollen?
Answer: Soothe your gums by brushing and flossing gently, so you don't irritate them. ... 
Rinse your mouth with a saltwater solution to rid your mouth of bacteria.
Drink lots of water. ... 
Avoid irritants, including strong mouthwashes, alcohol, and tobacco.
Place a warm compress over your face to lessen gum pain.