4 doctors weighed in:
What causes chronic bronchitis?
4 doctors weighed in

Dr. Sue Ferranti
Internal Medicine
3 doctors agree
In brief: Smoking...
Chronic bronchitis is a form of COPD usually caused by smoking.
Smoking cessation is an important part of disease prevention as well as treatment.

In brief: Smoking...
Chronic bronchitis is a form of COPD usually caused by smoking.
Smoking cessation is an important part of disease prevention as well as treatment.
Dr. Sue Ferranti
Dr. Sue Ferranti
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Dr. Aaron Milstone
Board Certified, Internal Medicine - Pulmonology
23 years in practice
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