Skin bumps: Bumps or lumps on the skin. See detailed information below for a list of 179 causes of Skin bumps, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Skin bumps: Causes | Symptom Checker Â». The following medical conditions are some of the possible causes of Skin bumps.
Causes. Most cases of osteomyelitis are caused by staphylococcus bacteria, types of germs commonly found on the skin or in the nose of even healthy individuals. Germs can enter a bone in a variety of ways, including: 1  The bloodstream.
Back to Top Causes. Bone infection is most often caused by bacteria. But it can also be caused by fungi or other germs. When a person has osteomyelitis: 1  Bacteria or other germs may spread to a bone from infected skin, muscles, or tendons next to the bone. 2  This may occur under a skin sore. 3  The infection can start in another part of the body and spread to the bone through the blood. 4  The infection can also start after bone surgery.