Farmer's Lung

Get the personalize care you need

We’re here to support you with clear answers and personalized care. If you’re noticing symptoms or work around moldy crops regularly, scheduling an appointment is a good next step. 

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Call: 1-866-250-2510; Monday-Friday 8 a.m. - 5 p.m.

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What is farmer’s lung?

Farmer’s lung is a hypersensitivity (allergic) reaction caused by breathing in spores from moldy hay or other crops. Over time, repeated exposure can lead to inflammation and long-term lung damage if it’s not addressed.

This condition can feel frustrating—especially when symptoms come and go. We’re here to help you understand what’s happening and guide you toward the care you need. 

Who is at risk?

Anyone who works around moldy crops in enclosed spaces may develop farmer’s lung, including: 

• Farmers and agricultural workers 
• Poultry or stable workers 
• Pet‑store workers handling mold‑exposed materials 

Barns, silos and other closed environments trap spores that can trigger symptoms. 

 Symptoms

Symptoms can vary depending on how often—and how intensely—you’re exposed. 

• Mild symptoms: 
  
  • Cold‑like symptoms 
• Acute exposure: 
  
  • Fever and chills 
  • Rapid heart rate or fast breathing 
  • Dry cough 
  • Difficulty breathing 
  • Symptoms lasting days to weeks 
• Chronic exposure: 
  
  • Persistent fatigue 
  • Weight loss 
  • Progressive shortness of breath 
  • Ongoing chronic cough 

If symptoms return after working around moldy dust, or you notice they get worse with repeated exposure, it’s important to reach out for care. 

Diagnosis

Your provider will look at your exposure history and may order: 

• Breathing tests 
• Imaging to evaluate inflammation or lung damage 

These steps help us confirm the condition and understand how it’s affecting your lungs. 

Treatment

Treatment focuses on reducing inflammation, avoiding further exposure, and helping your lungs heal. 

You may benefit from: 

• Medications to ease symptoms 
• Rest 
• Oxygen therapy, if breathing becomes difficult 
• Supportive care to help prevent long-term damage 

To reduce future flareups, you can: 

• Improve ventilation where you work 
• Wear professional-grade respirators 
• Handle spoiled crops outside when possible 
• Wet down dusty hay before cleanup 

These steps make a meaningful difference in protecting your lungs.