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 ...

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.

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 ...

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 ...

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?