Migraine headaches are more frequent in people who suffer from allergic rhinitis and who have more than 10 positive skin allergy tests.  This finding by Dr. Martin and his colleagues presented at the International Headache Congress last week is not surprising since many of my patients report that their migraines worsen during periods when their allergies flare up.  It is also not surprising because almost any medical condition affecting the head, whether it is an ear infection, a dental problem, or conjunctivitis, can trigger a migraine attack.