Verywell Health on MSN

Causes of pus and how to treat it

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 ...
Generalized pustular psoriasis (GPP) is the rarest form of psoriasis, a chronic autoimmune skin condition. Unlike other forms, GPP can be severe or even life-threatening. The disease causes flares of ...