Sternal osteitis may exhibit the following symptoms: 1. If this inflammation is a sterile inflammation, then its symptomatic manifestations are mainly confined to the area around the sternum. For example, the patient may feel significant pain in the chest area and experience a significant increase in pain when breathing deeply, coughing, or using upper extremity weight-bearing force. In addition, the patient may have a significant restriction of movement, such as reluctance to use the upper extremities to hold weight or perform chest expansion exercises. In addition, the patient will also have significant activity limitation due to pain when getting up and lying down.2. If this inflammation is caused by local infectious lesions, such as septic osteomyelitis of the sternum, on top of the local symptoms of the sternum, it will also show serious systemic symptoms, such as high fever, chills, or redness of the skin around the sternum on top of the systemic symptoms. The symptoms of osteomyelitis may include high fever, chills, or on top of systemic symptoms, redness of the skin around the sternum, swelling, fever, or even ulceration and pus.