back to top
Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.
A cough is a common reflex action that clears the throat of mucus or foreign irritants. Coughing to clear the throat is typically an infrequent action, although a number of conditions can cause more frequent bouts of coughing.
Wheezing is a high-pitched whistling sound made while you breathe. It's heard most clearly when you exhale, but in severe cases it can be heard when you inhale. It's caused by narrowed airways or inflammation.