Having allergies could make headache symptoms worse for people who experience migraines, according to a new study. The research, published in the journal Cephalalgia, showed that people with both migraines and rhinitis experience more frequent headaches compared with people who have migraines but not rhinitis. "We are not sure whether the rhinitis causes the increased frequency of headaches or whether the migraine attacks themselves produce symptoms of rhinitis in these patients," study researcher Vincent Martin, M.D., a professor of medicine at the University of Cincinnati, said in a statement.
