What could be wrong if you are coughing up a lot of mucus?

Answer:
If you are coughing up mucus, you could have a respiratory system infection or it could be countless other disorders. Your other symptoms, if any, and a physical exam will help your health care professional determine a diagnosis. There are way too many different things that can cause this for us to offer a suggestion for the cause in your case. Contact your health care professional for advice.
First answer by D4est. Last edit by D4est. Contributor trust: 1252 [recommend contributor recommended]. Question popularity: 1 [recommend question].