Ty Pennington is on the mend! The HGTV star is recovering from surgery after a large abscess closed off his airway. "From the red carpet to the ICU… this last week has been interesting! I’m okay now, ...

Medically reviewed by Jennifer Schwartz, MD Key Takeaways Pus forms when the immune system's white blood cells fight an infection.Pus can be different colors and may emit a foul odor if the infection ...