What Is Hypersensitivity Pneumonitis?
Reviewed: Dr. Gromatzky
6. Chronic Hypersensitivity Pneumonitis
Chronic hypersensitivity pneumonitis will also develop very slowly after exposure to low levels of the allergen. It can be a long time before symptoms develop and, when they do, they can include fatigue, coughing, and breathlessness. Some patients will also start to lose weight as the condition develops, and all symptoms will gradually worsen over time.
Perhaps the main problem associated with this type of hypersensitivity pneumonitis is that it can cause permanent damage to the lung’s tissues. The constant inflammation of the lungs can cause damage which can, in turn, cause the tissues to become scarred. This can leave the patient with permanent breathing difficulties.
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