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What is acute hypersensitivity pneumonitis?

7 doctors weighed in
Dr. Michael DePietro
Internal Medicine - Pulmonary Critical Care
6 doctors agree

In brief: Inflammation in lung

Hypersensitivity pneumonitis is a lung disease in which an inhaled substance capable of triggering an immune response called and "antigen" is inhaled and causes an illness that is like pneumonia, with fever , shortness of breath etc.
. Symptoms resolve when exposure to the antigen is stopped, but repetitive exposure can result in chronic scar formation in the lung. Steroid medicine can also help.

In brief: Inflammation in lung

Hypersensitivity pneumonitis is a lung disease in which an inhaled substance capable of triggering an immune response called and "antigen" is inhaled and causes an illness that is like pneumonia, with fever , shortness of breath etc.
. Symptoms resolve when exposure to the antigen is stopped, but repetitive exposure can result in chronic scar formation in the lung. Steroid medicine can also help.
Dr. Michael DePietro
Dr. Michael DePietro
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