This week, in the American Journal of Pathology, two San Francisco doctors offer an unexpected reply: the clot forms as the result of a reaction between arterial blood and material from a diseased ...

A skin abscess or boil is a bump on or below the skin’s surface. It may look like a pimple but larger and deeper under the skin. Abscesses usually contain pus or clear fluid and can appear anywhere on ...

An anal abscess is a collection of infected fluid, or pus, around the rectum or anus. Symptoms include pain, inflammation, constipation, and a discharge of pus. Share on Pinterest PER Images/Stocksy ...

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Cellulitis and skin abscesses are both due to bacterial infections. They may develop separately or together, and they need different treatments. Your skin is home to about 1,000 different species of ...

A subareolar abscess is a lump that forms on the breast. This lump can be painful and include swelling. The bump is a collection of pus. Subareolar abscesses can be painful. They can make your breast ...

A brain abscess is a localized collection of pus in the brain, often resulting from infections in nearby areas like the sinuses or ears. The classic triad of symptoms—fever, headache, and focal ...