Acute osteomyelitis refers to an infection which develops and peaks over a relatively short period of time. In children, acute osteomyelitis usually presents itself as pain in the affected bone, tenderness to pressure over the infected area, fever and chills.
Dizziness caused by psychiatric conditions. 1  Depression, anxiety, or panic disorder. 2  Hyperventilation is from breathing too fast or too deeply, usually from anxiety or metabolic disorders. 3  Somatization is the conversion of a mental illness, such as anxiety or depression, into physical symptoms.
High Blood Pressure. Hypertension, also known as high blood pressure, can cause lightheadedness. Other symptoms of high blood pressure include confusion, chest pain, irregular heartbeat and nosebleeds. Feeling lightheaded may be an indication of a serious complication.