Signs and symptoms of BOOP vary. Some individuals with BOOP may have no apparent symptoms, while others may have severe respiratory distress as in acute, rapidly-progressive BOOP. The most common signs and symptoms of BOOP include shortness of breath (dyspnea), dry cough, and fever. Some people with BOOP develope a flu-like illness with cough, fever, fatigue, and weight loss. 
What are the symptoms of Bronchiolitis obliterans organizing pneumonia ?