Here's what causes bronchitis, how the illness usually spreads and how you can treat symptoms if it affects you or a loved one.

This could be a virus, bacteria, or something you may be allergic to, like dust. Chronic (long-term) bronchitis is when you have symptoms for 3 months or longer. If symptoms are not severe ...

“Whereas chronic bronchitis is more common in people over the age of 35 and is usually caused by long-term lung damage, the main risk factors being smoking or exposure to air pollution.” ...

Feeling tired or exhausted is common, as your body fights inflammation and struggles to breathe properly due to restricted airways.

It can be acute (short-term) and develop in response to an illness like a respiratory infection. Bronchitis can also be chronic, or long lasting. Chronic bronchitis typically results from damage ...

Experts posit that longer-term illness is here to ... makes treatment difficult." Sometimes long illnesses can produce a secondary illness, like bronchitis or pneumonia. Russo explained, "The ...