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Agonist A chemical that mimics or copies the actions of another chemical. IMITREX is believed to mimic some of the actions of serotonin. Analgesics General pain relievers that are made for general kinds of pain like backaches or sore muscles. Aura A warning signal of migraine experienced by about only 20% of sufferers. Aura may be a visual (eg, seeing flashing lights or zig-zag lines), auditory, or other sensory or physical disturbance. Aura precedes the actual headache, which usually occurs within 60 minutes after the aura ends. Dilation A condition in which a body cavity, tube, artery, pupil of the eye, or opening is enlarged or stretched as a result of a normal physiological process or because of disease or a medical procedure. Onset The first noticeable symptoms leading to a migraine. For most, headache pain is the first sign. Prodromes Warning signals of migraine that can occur well in advance (hours or days) of the onset of symptoms. Serotonin A substance that occurs naturally in the body. It has been found that the serotonin level in a migraine sufferer's brain first rises then falls dramatically at the onset of an attack, provoking a theory that serotonin plays an important role in migraine. Trigger A specific event or substance that directly leads to a migraine in some patients. Common triggers include, but are not limited to, food, activity, light, sounds, smells, caffeine, nicotine, certain medications, and changes in diet. |
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