The symptoms can include coughing up thick yellow, green, or brown phlegm. Seek medical attention if you think you have ...

However, one clue you might need antibiotics is persistent thick, green discharge lasting for more than 10 days, according to Mayo Clinic. Mucus often changes colors when dead cells, germs and ...

Early treatment of phlegm and mucus build-up is important, mainly to achieve symptomatic relief and prevent complications, says Dr Chung, as sometimes, thick, hard-to-clear mucus can make it ...