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Migraine (UK: / ˈ m iː ɡ r eɪ n /, US: / ˈ m aɪ-/) [1] [2] 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.
Other side effects include dizziness (3.3%), nausea (2.7%), low blood pressure (2.5%), and headache 2.2%. Other side effects seen in less than 2% of the population include: edema, congestive heart failure, pulmonary edema, diarrhea, fatigue, elevated liver enzymes, shortness of breath, low heart rate, atrioventricular block, rash and flushing. [4]
There are many types of vascular headaches. Other types of vascular headaches include headaches produced by fever, cluster headaches, and headaches from a rise in blood pressure (OSU Wexner Medical Center, 2012). Headaches that were described as being vascular headaches include: [citation needed] Cluster headache; Migraine [2] Toxic headache
Consuming food at least 1.5 hours before exercise is recommended to prevent low blood sugar, which may trigger migraines. Hydration before, during, and after physical activity is essential, as ...
The foundation cited a 2023 study of more than 15,000 migraine sufferers in Japan that linked an increase in headaches during barometric pressure changes, humidity and rainfall.
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 ...
The aura phase of migraine can occur with or without a headache. Ocular or retinal migraines happen in the eye, so only affect the vision in that eye, while visual migraines occur in the brain, so affect the vision in both eyes together. Visual migraines result from cortical spreading depression and are also commonly termed scintillating scotoma.
The effects on the intracranial pressure itself are more modest. Moreover, the procedure may lead to significant complications, including blindness in 1–2%. [ 5 ] The procedure is therefore recommended mainly in those who have limited headache symptoms but significant papilledema or threatened vision, and those who have undergone unsuccessful ...