Asthma is a condition in which a person's airways become narrow, inflamed, swelling and produce extra mucus, which makes it difficult to breathe. Asthma is a inflammatory disease of the airways of the lungs. It is characterized by variable and recurring symptoms, reversible airflow obstruction, and bronchospasm. Common asthma symptoms include episodes of coughing, chest tightness, wheezing and shortness of breath. These episodes may occur a few times a day or a few times per week. Depending on the person, they may become worse at night in lying position.
Bronchitis: A cold or the flu runs its course in a couple weeks, if you’re lucky. After that, you’re back to normal. But sometimes you may get bronchitis, too. That’s when your bronchial tubes, which carry air to your lungs, get infected and swollen. You end up with a nagging cough and a lot more mucus. You can get bronchitis in other ways, too.
There are actually two types of it:Acute bronchitis: This is the more common one. Symptoms last for a few weeks, but it doesn’t usually cause any problems past that.