Patient's question:
Why do children get sick often after hitting their head?Doctor's answer:
The human body does not develop a fever for no reason; it is a signal that your immune system is working hard. When viruses that cause colds invade, they require a cooler environment to thrive and reproduce. During an infection, the immune system releases special substances to raise the body's temperature. This slows down the speed and ability of the invaders to reproduce. When you have a mild fever, it is likely that your body is making every effort to eliminate the invaders. If you use fever-reducing medication indiscriminately, it may make it more difficult for the immune system to overcome the invaders.