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Trigeminal Autonomic Cephalalgias (Tacs) and Its Types

Cha Feng

Trigeminal Autonomic Cephalalgias (TACs) are a group of primary headache disorders that are characterized by the distribution of pain that occurs in contact with ipsilateral cranical autonomic symptoms. These include headaches like cluster headache, paroxysmal hemicrania and short-lasting unilateral neuralgiform headache attacks. These are quite painful and are considered to be the deadliest pain that occurs to the mankind. These occur short duration of headaches around the eye with characteristics like nasal congestion, swelling of the eyelids and facial swelling