According to Dr. Joydeep Ghosh, Consultant, Internal Medicine at Fortis Hospital, Kolkata, “Yellow or a little greenish phlegm is a warning sign of bacterial infection. Dr. Ghosh advises ...

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

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 ...

Yellow mucus doesn’t mean that you need antibiotics ... things don’t improve after 10 to 14 days. Your mucus can turn green from the even larger build-up of dead white blood cells.

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?