Upper Respiratory Disorders

The upper respiratory tract includes the:

• nose
• nasal cavity
• sinuses
  • ethmoid
  • frontal
  • maxillary
  • sphenoid
• larynx
• trachea

The functions of the upper respiratory tract are to move air to and from the lungs, and to filter, moisten, and warm the air.

There are many different upper respiratory disorders that require clinical care by a physician or other healthcare professional. Listed in the directory below are some of the conditions, for which we have provided a brief overview.

If you cannot find the condition in which you are interested, please visit the Respiratory Disorders Online Resources page in this Web site for an Internet/World Wide Web address that may contain additional information on that topic.