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.
Lotkowski said dizziness is also compared to feeling faint or lightheaded, and may be accompanied by nausea and skin clamminess. A drop in blood pressure which can occur after sitting up or standing too quickly could cause this, as well as inadequate output of blood from the heart.
If you sit up or stand up too quickly, your blood pressure may drop and you may feel faint. Another common cause of lightheadedness is when the blood flow from the heart is not sufficient. There are certain conditions of the heart that may be responsible for this.