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A 33-year-old male asked:

Coughing up yellow phlegm for nearly 3 months. had xray antibiotics and blood test. nothing. when i start breathing heavily during exercise it comesup?

1 doctor answer1 doctor weighed in
Dr. Frank Mayo
Pulmonary Critical Care 48 years experience
Inflammation: Likely inflammatory tracheo-bronchitis possibly environmentally induced. Development during exercise may indicate exercise induced wheezing. The yellow color reflects slow transit out of the lung not infection. Possible evaluation includes pfts and if negative a possible methacholine test for exercise related wheezing. If all studies negative a bronchoscopy may be in order as well as a chest ct.

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Last updated Oct 4, 2016

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