• Reviewed on 6/12
    By Dr. Rose

    • Dr. Cecile Rose

      Cecile Rose, MD, MPH
      Director, Occupational & Environmental Medicine Clinic

      View full profile

Hypersensitivity Pneumonitis: Symptoms


Symptoms of brief or severe (acute) hypersensitivity pneumonitis often occur 6-8 hours after exposure to the foreign substance. Symptoms may include:

  • chills,
  • fever,
  • cough, and
  • shortness of breath.

Symptoms of long-lasting (chronic) HP include:

  • gradual onset of shortness of breath (especially with activity),
  • cough,
  • unusual fatigue,
  • loss of appetite, and
  • unintentional weight loss. 
More Symptoms Information
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