Jet lag is the phrase used to encompass the discomforts experienced as a result of traveling through several time zones. One study of long-distance travelers found that when the number of time zones crossed was equal, those traveling from West to East were less likely to suffer severe jet lag.
Usually jet lag symptoms tend to be simply annoying and disruptive. They may detract from the pleasure of vacations, and they may interfere with performance on business trips.
In a recent major study of long-distance travel these symptoms of jet lag were reported:
If upper respiratory infection symptoms are present before travel, be sure to use a decongestant. In addition, Neosynphrine Nasal Spray (1/4 or ½ %) may be used before flight or according to the directions on the label. Do not use for longer than 3 days consecutively. Other methods of keeping ears open and pain free during flight include chewing gum, swallowing frequently, blowing the nose, and yawning.