| http://www.w3.org/ns/prov#value | - cations - medications, prescribed by your doctor, that act on specific receptors in both the brain and the blood vessels in the head, stopping a headache once it is in progress.Rescue medications - medications purchased over the counter, such as analgesics (pain relievers), to diminish or stop the headache.Preventive medications - medications prescribed by your doctor that are taken daily to reduc
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