If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...
Is there a new illness that’s causing lingering coughs? When should you see a doctor for a cough that’s hanging around? We VERIFY answers to these questions.
Mercola, you should seek medical attention: If your symptoms persist for more than 10 days If you experience difficulty breathing, develop a severe cough, notice thick green or yellow mucus ...
When to see a doctor about chest congestion According to Dr. Mercola, you should seek medical attention: If your symptoms persist for more than 10 days If you experience difficulty breathing, develop ...