Cephalalgia.

This is a common trouble for all people in the world. It is also known as cephalalgia which consists of number variable conditions of the head. This is formed by the disturbance of the pain sensitive structures in the head. But that alone is not a reason for the pain because it lacks sensory receptor which is called nociceptors that reacts to potentially damaging stimuli by sending nerve signals to the spinal cord and brain. There are 2 types of pain sensitive structures. They are inside the cranium and outside the cranium. There are also different classification systems for this trouble cephalalgia. The treatment of a headache depends on the underlying etiology, but they are normally involves analgesics which is also known as a painkiller. The common response to a head ache is to apply pressure to the forehead with the affected person’s hand is shown in the figure. Thus these are about the headache.