Which condition is typically associated with inflammation and may contain pus?

The condition commonly associated with inflammation and the presence of pus is a pustule. Pustules are small, raised lesions on the skin that are filled with pus, which is a thick fluid comprised of dead white blood cells, bacteria, and tissue debris. They typically indicate some form of infection or inflammatory response in the body, often seen in conditions like acne or folliculitis.

In contrast, papules, while they are also raised lesions, do not contain pus and are usually solid and firm. Cysts, on the other hand, are closed sacs that can be filled with fluid or semi-solid material, but they do not inherently indicate inflammation or the presence of pus. Nodules are larger, firm lumps that can be quite deep in the skin but do not necessarily contain pus either. Thus, pustules stand out as the condition linked directly to inflammation and pus accumulation.