Periostitis Periostitis Periostitis, also known as periostalgia, is a medical condition caused by inflammation of the periosteum, a layer of connective tissue that surrounds bone. The condition is generally chronic, and is marked by tenderness and swelling of the bone and pain. Acute periostitis is due to infection, is characterized by diffuse formation of pus, severe pain, constitutional symptoms, and usually results in necrosis. It can be caused by excessive physical activity as well, as in the case of medial tibial stress syndrome (also referred to as tibial periostalgia, soleus periostalgia, or shin splints). Congenital infection with syphilis can also cause
Operational Stress Injury of injury or illness and the inability to continue with their career. Substance-related disorder, or the abuse of alcohol or drugs, may also be included in the Operational Stress Injury umbrella. The various psychological effects of different substances, particularly the depressive effects of excess alcohol consumption, often serve as a form of 'self medication' for those dealing with other stressors or traumas. Alcohol or drug addictions can often mask or complicate the treatment of symptoms of other disorders, and may need to be addressed before treatment for underlying disorders can be effective. There is a well established link between Operational