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.
Lightheadedness can be caused by orthostatic hypotension (a drop in blood pressure after you stand); hunger; common illnesses and infections, such as colds; hypoglycemia (low blood sugar); dehydration; heart problems; or feelings of anxiety and panic.