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Primary Headaches:
Primary headaches aremigraine , cluster andtensionheadache . Primary head ache are benign , chronic and not life threatening . Headache is considered basal when a disease or other medical condition does not cause the vexation . Most primary concern diminish into three principal types : tension - type , sick headache , and cluster headaches . tenseness headache is the most common master vexation and accounts for 90 % of allheadaches . After tenseness concern , the second most frequently occurring master cephalalgia are Migraine . Migraine is referred to as aneurovascular headachebecause it is most belike due to an interaction between blood line vessel and cheek abnormalities . Cluster vexation is a less common type of basal headache . Cluster cephalalgia sometimes touch to as a neurovascular headache , grounds now suggests that its cause may lie in thehypothalamus , a region deep in the psyche that regulates , among other single-valued function , the biological rhythm of the body.[1 ]
Secondary Headaches:
Secondary headaches are sometimes life jeopardize , may be secondary to metastasis ormalignant cancerand cerebral hemorrhage . Early diagnosis of secondary headache is essential to avoid life - threatening complication . lower-ranking headache may be result from life imperil disease such as brain tumor , genius hemorrhage orhead injury . lowly headaches are classified based on aetiology , not on symptom profile . Recent origin headache in a patient with history of disease known to cause intracerebral complications must be further inquire . Patients with pre - existent principal headaches sometimes receive exacerbations , which may survey further expensive investigation to rule out life threatening secondary headaches . In this circumstance , the known cause of headache may have worsened the pre - existing master headache . instead , it may have cause a new type of subaltern headache . lower-ranking headaches are because of other medical conditions , such assinus infection , neck opening injury , and strokes . About 2 % of headache are secondary to abnormality or infection in the nasal bone or sinus passages , and they are usually referred to assinus headaches .
Traumatic harm to head and neck may cause headache which is classified as subaltern headache . Head injury may induce subdural orepidural hematomaif ignore can conduce to cerebral herniation and critical outcome of complications . neck opening trauma followingwork accidentorauto accidentcauses occipital neuralgia and occipital headache . Intracranial arterial aneurysm or intellectual arterial puffiness can make severe throbbing headache . Infectionsuch as meningitis or cephalitis can cause pain mostly in frontal and occipital domain of head . In few case of inflammatory disease of eye , ear , nozzle and sinuses pain simulating headache concern to secular , frontal or occipital region . herpes zoster or put up herpetic neuralgic pain of trigeminal heart or facial nerve can also stimulate severeheadache in frontalor temporal dermatome.[2 ]
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