(HealthDay News) -- Bronchitis is typically caused by a respiratory virus, and much less frequently, by a bacterial infection, the American Lung Association says.
Risk factors include having close contact with someone who has bronchitis, failure to get age-appropriate vaccinations, and exposure to tobacco smoke, fumes, dust and air pollution.
The American Lung Association says symptoms of bronchitis typically include:
Coming Soon: A Tiny Robot You Swallow to Help You Stay Healthy
Secondhand Pot Smoke Can Harm an Asthmatic Child
Pets Can Double as Asthma Antidote
Many Infants With Milk Allergy Seem to Outgrow It
Don't Let Holiday Season Stress Worsen Your Allergies, Asthma
