Buttock pain can come from arthritis, nerve compression, or overuse. Sciatica is pain caused by compression of the sciatic nerve in the lower back. Osteoarthritis can cause a dull, aching pain in the ...

A 45-year-old Black woman presents with a 1-year history of recurrent painful bumps on her buttocks. She reports that the lesions often drain pus and have left behind areas of scarring. The nodules ...