303K views · 63K reactions | What does syphilis do to your bones? In its tertiary stage, syphilis can leave behind unmistakable marks—especially on the skull and femur. From caries sicca (pitting and scarring of the skull) to periosteal irritation, this bacterial infection doesn’t just attack soft tissue—it reshapes bone. Let’s break down the bony aftermath. #syphilis #bone #infection | The Bone Museum | Facebook