Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Pus

Medically reviewed by Min Clinic Staff | Updated: January 2026

Pus: A thick, whitish-yellow fluid that results from the accumulation of white blood cells, liquefied tissue, and cellular debris. Pus is commonly a sign of infection or foreign material in the body.