I've pack against your cheek may help
Try Oil rinsing for 5-20 minutes(look into it). Works wonders and contact a dentist
See a dentist. You could have an infection/abscess.
Try swishing with warm salty water. Sometimes that helps!
Rub ground cloves on it to soothe the pain. Also make a dentist appointment as soon as you can, or your problems will get way worse down the road.
Like I my gum or something or over my tooth
Put a listerine strip in ur mouth on the side that aches. Works wonders!