Is it bad to swallow phlegm?

Related questions

1. Can you poop out phlegm?
2. Is milk good for pneumonia?
3. What does GREY phlegm mean?
4. What happens if you let a sinus infection go untreated?
5. Do I need to go to hospital for pneumonia?
6. How long does pneumonia last untreated?
7. What is the difference between a chest infection and pneumonia?
8. Do you need antibiotics if you have yellow mucus?
9. Can you drink milk with pneumonia?
10. What is the main cause of pneumonia?

Tags

1. #infection
2. #feeling
3. #swallow
4. #harmful
5. #swallowing
6. #queasy
7. #bacteria
8. #debris
9. #report
10. #during
11. #produced
12. #neutralise
13. #people
14. #works
15. #luckily
16. #recycle
17. #cellular
18. #asked
19. #stomach
20. #occasionally
21. #infections
22. #mucus
23. #respiratory
24. #whether
25. #other