What can cause chronic bronchitis with normal lung function test and no relation to allergy or infectious disease?
Smoking. oe exposure to second hand smoke.
What can cause chronic bronchitis with normal lung function test, no relation to allergy, infectious disease, tobacco and other chemical irritants?
Oxy moron. that does not make any sense something causing the irritation that caused the chronic bronchitis now the normal lung function is easy explain whatever damage the irritation or the bronchitis caused the lung minimal or no damage that affect the function of the lung now you eliminated 90%of the causes in your list, the second smoking and expose to paint or asbestos or other pollution in air can. Read more...