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In a basilar migraine, a migraine with neurological symptoms related to the brain stem or with neurological symptoms on both sides of the body, [51] common effects include a sense of the world spinning, light-headedness, and confusion. [33]
Scintillating scotomas are most commonly caused by cortical spreading depression, a pattern of changes in the behavior of nerves in the brain during a migraine. Migraines, in turn, may be caused by genetic influences and hormones. People with migraines often self-report triggers for migraines involving stress or foods, [9] or bright lights. [10]
Migraines have a direct negative impact on the control of vessels in the brain, causing cerebral vasoconstriction which ultimately narrows blood vessels in the brain leading to cerebral hypoxia and tissue ischaemia. [25] Vasoconstriction of blood vessels and arteries during migraine is thought to be caused by vasospasm. [26]
A man was hospitalized with worsening migraines only to find out they were caused by parasitic tapeworm larvae in his brain — and researchers believe he was infected by eating undercooked bacon ...
Previously, migraines were thought to be caused by a primary problem with the blood vessels in the brain. [31] This vascular theory, which was developed in the 20th century by Wolff, suggested that the aura in migraines is caused by constriction of intracranial vessels (vessels inside the brain), and the headache itself is caused by rebound ...
Olfactory-induced migraines (migraines stimulated by strong smells) have been explained as an attempt to interrupt the entry of toxins into the brain via the olfactory nerve. [ unreliable medical source? ] [ 12 ] Similarly, the low threshold for nausea and vomiting may be a mechanism to enhance the elimination of ingested toxins in food.
Valproate and riboflavin were shown to have no effect on the triggering of cortical spreading depression though they are effective in migraine without aura. [16] Taken together, these results are compatible with a causal role of cortical spreading depression in migraine with aura, but not in migraine without aura. [citation needed]
Rescue treatment involves acute symptomatic control with medication. [4] Recommendations for rescue therapy of migraine include: (1) migraine-specific agents such as triptans, CGRP antagonists, or ditans for patients with severe headaches or for headaches that respond poorly to analgesics, (2) non-oral (typically nasal or injection) route of administration for patients with vomiting, (3) avoid ...
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