Red, Swollen Bump on Buttocks: What Could It Be and Which Specialist to See? - Dermatology

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When encountering a red, swollen bump on the buttocks, it can be concerning, especially if it is growing larger and becoming increasingly painful. There are several potential causes for such a bump, and understanding these can help guide you to the appropriate specialist for evaluation and treatment.

One common cause of a red, swollen bump in this area is a sebaceous cyst. These cysts occur when a hair follicle becomes blocked, leading to the accumulation of sebum (an oily substance produced by sebaceous glands). They can become inflamed or infected, resulting in redness, swelling, and pain. Another possibility is a boil (furuncle), which is a painful, pus-filled bump that forms due to a bacterial infection in a hair follicle. Boils can also grow larger and become quite painful, often requiring medical intervention.

Another potential cause could be folliculitis, which is the inflammation of hair follicles, often due to infection. This condition can present as red, itchy bumps that may resemble acne. If the bump is particularly painful and has a hard texture, it could also be a lipoma, which is a benign tumor made of fatty tissue. While lipomas are generally painless, they can sometimes cause discomfort if they press on surrounding tissues.

If you suspect that the bump might be related to an injury (like a nail puncture), it is essential to consider the possibility of an abscess, which is a collection of pus that can form due to infection. Abscesses can be very painful and may require drainage by a healthcare professional.

Given the symptoms you described—growing size and increasing pain—it is advisable to see a dermatologist. Dermatologists specialize in skin conditions and can provide a thorough examination to determine the exact nature of the bump. They may perform a physical examination and, if necessary, order imaging studies or a biopsy to rule out more serious conditions.

In some cases, if the bump is suspected to be related to an infection or if it is particularly large and painful, you might also consider visiting a general practitioner or an urgent care clinic. They can provide initial evaluation and treatment, and if needed, refer you to a specialist.

In summary, while there are several potential causes for a red, swollen bump on the buttocks, including sebaceous cysts, boils, folliculitis, lipomas, or abscesses, the best course of action is to consult a dermatologist. They will be able to assess your condition accurately and recommend the appropriate treatment. If the bump is accompanied by fever, spreading redness, or other systemic symptoms, seek medical attention promptly, as these could indicate a more serious infection requiring immediate care.