Farmer's lung classification

Farmer’s lung disease is classified into 3 types based on the frequency and intensity of the exposure to the offending agent.

It is classified into acute, sub acute and chronic.

Farmer’s Lung Disease may be classified according to frequency and intensity of exposure into 3 types:

• Acute-symptoms appear 3-4 hours after exposure.
• Sub acute-temporal relation is lost.
• Chronic-temporal relation is lost, slowly progressive dyspnea.^[1]