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Symptoms of COPD include, coughing ( phlegm, saliva, bile ), wheezing, tightening in the chest and tiredness.
Risk factors include inhaling ( pollutants, carbon dioxide, nitrogen ), second-hand smoke and ( organic cooking oils, carbohydrates, cholesterol ).
Antibiotics can be used to treat COPD but ( steroids, antigens, vitamins ) and even oxygen masks are also sometimes issued.