Brits are being urged to check the colour of their snot as the new H3N2 subclade K flu spreads, with experts revealing said ...

When a person catches a common cold, symptoms start to appear gradually. This includes a sore throat, a runny nose, fever, and the buildup of mucus in the nose and throat. Many of us may have ...

Medically reviewed by Susan Russell, MD Key Takeaways Coughing up white mucus can be a sign of an upper respiratory infection ...

Lynn Nazareth does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...