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Other Kinds of Pneumonia

Various other pneumonias are caused by the inhalation of: 

  • food 
  • liquid 
  • gases 
  • dust 
  • a foreign body 

Pneumonia can be caused by a bronchial obstruction such as a tumor. 

It can also be caused by other diseases such as Rocky Mountain spotted fever, Q fever, typhus, and psittacosis. Tuberculous pneumonia is extremely dangerous unless treated early.