Technically, bronchitis doesnt kill you. Its the inflammation of the main air passage that leads to the lungs.

Because bronchitis is cause by a virus antibiotics will not cure it (Antibiotics kill bacteria), and if it remains untreated, it can develop into pneumonia, and THAT can kill you.

Along with leaving it untreated, it is more likely to become pneumonia in smokers, the elderly, or people with chronic heart or lung disease.

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