What distinguishes purulent drainage?

Purulent drainage is characterized by its thick consistency and the presence of a cloudy appearance, often accompanied by colors such as green, yellow, or brown. This type of drainage typically indicates an infection process within the body, where white blood cells, dead cellular debris, and bacteria contribute to its formation. The color and thickness are reflective of the substances involved in the inflammatory and immune response, signaling that the body is working to combat an infection.

In contrast, clear and watery drainage suggests a serous fluid that may come from a non-infectious source, while thin and watery drainage is also not indicative of the purulent type. Red blood clots are associated with hemorrhagic drainage and do not contain the elements that define purulent drainage. Therefore, the distinguishing features of purulent drainage are essential for healthcare professionals to identify the nature of the wound or infection effectively and provide appropriate care.