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Cluster headache is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye (s). [ 1] There is often accompanying eye watering, nasal congestion, or swelling around the eye on the affected side. [ 1] These symptoms typically last 15 minutes to 3 hours. [ 2]
Migraine ( UK: / ˈmiːɡreɪn /, US: / ˈmaɪ -/) [ 11][ 12] is a genetically influenced complex neurological disorder characterized by episodes of moderate-to-severe headache, most often unilateral and generally associated with nausea and light and sound sensitivity. [ 1] Other characterizing symptoms may include vomiting, cognitive ...
Headache, also known as cephalalgia, is the symptom of pain in the face, head, or neck. It can occur as a migraine, tension-type headache, or cluster headache. [ 1][ 2] There is an increased risk of depression in those with severe headaches. [ 3] Headaches can occur as a result of many conditions. There are a number of different classification ...
50 described cases (as of 2015) [ 1] Short-lasting unilateral neuralgiform headache with conjunctival injection and tearing ( SUNCT syndrome) is a rare headache disorder that belongs to the group of headaches called trigeminal autonomic cephalalgia (TACs). [ 1] Symptoms include excruciating burning, stabbing, or electrical headaches mainly near ...
Reversible cerebral vasoconstriction syndrome ( RCVS, sometimes called Call-Fleming syndrome) is a disease characterized by a weeks-long course of thunderclap headaches, sometimes focal neurologic signs, and occasionally seizures. [ 1] Symptoms are thought to arise from transient abnormalities in the blood vessels of the brain. [ 1]
A thunderclap headache is a headache that is severe and has a sudden onset. It is defined as a severe headache that takes seconds to minutes to reach maximum intensity. [1] [2] Although approximately 75% are attributed to "primary" headaches—headache disorder, non-specific headache, idiopathic thunderclap headache, or uncertain headache disorder—the remainder are secondary to other causes ...
Trigeminal neuralgia ( TN or TGN ), also called Fothergill disease, tic douloureux, trifacial neuralgia, or suicide disease, is a long-term pain disorder that affects the trigeminal nerve, [ 7][ 1] the nerve responsible for sensation in the face and motor functions such as biting and chewing. It is a form of neuropathic pain. [ 8]
Cerebral hemisphere. Human brain seen from front. The vertebrate cerebrum ( brain) is formed by two cerebral hemispheres that are separated by a groove, the longitudinal fissure. The brain can thus be described as being divided into left and right cerebral hemispheres. Each of these hemispheres has an outer layer of grey matter, the cerebral ...