What Causes It?
Overactive immune system response to unknown triggers
Genetic predisposition
Environmental exposures (dust, mold, chemicals)
Bacterial or viral infections acting as immune triggers
Autoimmune-related inflammation
Occupational hazards (firefighters, agricultural workers)
Signs & Symptoms
Persistent dry cough
Shortness of breath or wheezing
Fatigue and weakness
Skin rashes or reddish bumps (erythema nodosum)
Swollen lymph nodes
Eye irritation, redness, or blurred vision
Joint pain or stiffness
Fever and night sweats