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.
Damage to the nerves to your heart may cause you to feel light-headed, or faint, when you stand up. Angina is the warning chest pain for heart disease and heart attack. Nerve damage may hide this warning sign. You should learn other warning signs of a heart attack.