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| of migraines, is caused by a disturbance in the nervous system that precedes the headache. Typical disturbances would involve bright flashing lights, black spots, a partial loss of vision or a feeling of pins and needles moving over one limb or one side of the body. These disturbances are usually short-lived, less than one hour for most sufferers, and almost invariably disappear leaving no long-lasting effects. |
| Other Vascular Headaches 3 |
| Toxic Headache |
| After migraine, the most common type of vascular headache is the so-called ''toxic" headache experienced during a fever. Pneumonia, flu, measles, mumps and tonsillitis are examples of the diseases that can cause severe toxic vascular headaches. |
| Chemical Headache |
| Repeated exposure to nitrite compounds can result in a dull, pounding headache that may be accompanied by a flushed face. Nitrite, which dilates blood vessels, is found in such diverse products as heart medicine and dynamite. Hot dogs and other meats containing sodium nitrite can also cause headaches. Headache can also result from exposure to other poisons, even common household products like insecticides, carbon tetrachloride and lead. Children who eat flakes of lead paint may develop headaches. So may anyone who has contact with lead batteries or lead-glazed pottery. Painters, printmakers and other artists may experience headaches after exposure to art materials that contain chemicals called solvents. Solvents, like benzene, are found in turpentine, spray adhesives, rubber cement and inks. |
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