Better yet, try the Valsalva Maneuver... simply stated, the Eustachian tubes from the middle ear to back of the throat are blocked. This is common in most pilots, of which I've been most of my adult life. This is due to air pressure changes while climbing or descending the aircraft.
Most of those that suffer from the effect have been told to do exactly the wrong thing... they hold their nose and blow. Problem is, the tubes are very small diameter... about the size of piece of spaghetti. Doing it this way forces the mucus up the tube where there is no drainage. Better to hold the nose and swallow... this along with what Mrs. C calls my frog maneuver of thrusting the lower jaw forward producing a pop you can actually hear as the tube clears. Give it a try... can't hurt and may well help you. Best of luck!!