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  • An abscess is a collection of pus that has built up within the tissue of the body. Signs and symptoms for those close to the skin include: redness, pain, warmth, and swelling that when pressed feels like it is fluid filled. The area of redness often extends beyond the swelling. Carbuncles and furuncles are types of abscess that often involves hair follicles with carbuncles being larger. They are usually caused by a bacterial infection. Often many different types of bacteria are involved in a single infection. In the United States and many other areas of the world the most common bacteria present is methicillin-resistant Staphylococcus aureus. Rarely parasites can cause abscesses and this is more common in the developing world. Diagnosis is usually made based on what it looks like and is confirmed by cutting it open. Ultrasound imaging may be useful in cases in which the diagnosis is not clear. In abscesses around the anus, computer tomography may be important to look for deeper infection. Standard treatment for most skin or soft tissue abscesses is cutting it open and drainage. Wikipedia

Freebase Commons Medicine /medicine

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