Is Purulent Drainage Pus

Pus is a thick, white substance that’s typically a sign of infection. The medical term for pus is purulent exudate. It is also sometimes called purulent drainage. The fluid is sometimes referred to as liquor puris.

What are purulent infections?

Purulent infections are characterized by purulent inflammation of tissues that arise in the implementation of pyogenic bacteria, most commonly Streptococcus, Staphylococcus, more rarely Pseudomonas or E. coli.

Is purulent drainage normal?

Purulent drainage is not a characteristic of normal healthy wound healing. Exudate that becomes a thick, milky liquid or a thick liquid that turns yellow, tan, gray, green, or brown is almost always a sign that infection is present.