and a cough that produces mucus. There are two types of bronchitis: acute and chronic. Acute bronchitis develops suddenly, usually due to a viral or bacterial respiratory infection, and lasts for a ...
Your genes can also play a role. Its symptoms include shortness of breath, wheezing, a lasting cough, and increased mucus. Like chronic bronchitis, emphysema is a type of COPD. You can have the ...