Antibiotics only treat bacterial infections, but your mucus color alone cannot tell whether an infection is bacterial or ...

“Everybody thinks that if they have green mucus, they need an antibiotic but that’s not necessarily the case. A lot of the time, you can start the day with yellow-green mucus when you have a virus but ...

Producing mucus will help clear your sinuses ... A lot of people think yellow or green snot means you need an antibiotic. That is not true. Laura Martin, MD, MPH If it's a viral infection causing ...

What I usually tell patients to look for in a flare-up is: Is their mucus getting worse? Is there more of it? Is it changing color? Is it going from its usual pale white to a yellow or green sputum?

Concerning this, Dr. Feldmann notes that in most cases a bacterial superinfection is involved, recognizable by the presence of yellow-green sputum. However, this is not supported by ...