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 has many causes, including: 1  Allergies. 2  Illnesses such as the flu or colds. 3  Vomiting, diarrhea, fevers, and other illnesses that cause dehydration.  Very deep or rapid breathing 1  (hyperventilation). Anxiety and stress.  The use of tobacco, alcohol, or illegal drugs.