Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Bronchiolitis obliterans ?
    ### Response:
    What are the signs and symptoms of bronchiolitis obliterans? Bronchiolitis obliterans is characterized by a dry cough and shortness of breath which develop 2 to 8 weeks after toxic fume exposure or a respiratory illness. Fatigue and wheezing in the absence of a cold or asthma may also be noted.
    