A subcutaneous abscess is a collection of pus that forms in the layers of skin and subcutaneous tissue. It is typically caused by a bacterial infection and can occur anywhere on the body. Common sites of subcutaneous abscesses include the armpit, groin, neck, and buttocks.

Symptoms of a subcutaneous abscess may include:

A painful, swollen lump or bump beneath the skin Redness and warmth in the affected area Tenderness or pain when the area is touched or pressed Draining of pus or other fluids from the abscess Fever or other signs of infection Treatment for a subcutaneous abscess typically involves draining the pus and treating the underlying infection. Depending on the size and location of the abscess, this may be done through a small incision in the skin or with a needle. The area may be numbed with local anesthesia before the procedure. Antibiotics may also be prescribed to help clear the infection.