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What causes acute bronchitis?

ANSWER

Most often, the same viruses that give you a cold or the flu also cause bronchitis. Sometimes, though, bacteria are to blame.

In both cases, as your body fights off the germs, your bronchial tubes swell and make more mucus. That means you have smaller openings for air to flow, which can make it harder to breathe.

From: Bronchitis WebMD Medical Reference

SOURCES:

Mayo Clinic: “Bronchitis.”

FamilyDoctor.org: “Acute Bronchitis.”

American Lung Association: “What Is COPD?,” “Acute Bronchitis Symptoms, Causes, and Risk Factors,” “Diagnosing and Treating Acute Bronchitis,” “Managing and Preventing Acute Bronchitis,” “Emphysema.”

Harvard Health Publications, Harvard Medical School: “Acute Bronchitis.”

CDC: “Get Smart: Know When Antibiotics Work.”

NHS: “Bronchitis.”

PubMed: “Bronchitis.”

Centers for Disease Control and Prevention: “Pertussis.”

Reviewed by Neha Pathak on October 23, 2019

SOURCES:

Mayo Clinic: “Bronchitis.”

FamilyDoctor.org: “Acute Bronchitis.”

American Lung Association: “What Is COPD?,” “Acute Bronchitis Symptoms, Causes, and Risk Factors,” “Diagnosing and Treating Acute Bronchitis,” “Managing and Preventing Acute Bronchitis,” “Emphysema.”

Harvard Health Publications, Harvard Medical School: “Acute Bronchitis.”

CDC: “Get Smart: Know When Antibiotics Work.”

NHS: “Bronchitis.”

PubMed: “Bronchitis.”

Centers for Disease Control and Prevention: “Pertussis.”

Reviewed by Neha Pathak on October 23, 2019

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When are you more likely to get acute bronchitis?

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