Swallow repeatedly
Yawn
Chew gum
Suck on hard candy
Try the Valsalva maneuver gently
Try the Toynbee maneuver
Use a warm compress over the ear
Take a hot shower
Use a saline nasal spray
Try a decongestant if appropriate
Use an antihistamine if allergies are the cause
Stay hydrated
Avoid sleeping flat if congested
Avoid flying or scuba diving until it improves
Avoid inserting anything into the ear
See a doctor if it lasts more than a few days
See a doctor if you have severe pain, fever, drainage, or hearing loss