title: Recurrent headaches: what every allergist should know.
abstract: OBJECTIVE
  To provide the allergist information regarding the recognition, diagnosis, classification, and management of headaches.
  
  
  METHODS
  Literature and relevant articles pertaining to various types of headache are reviewed and the clinical experience of the authors is presented.
  
  
  CONCLUSIONS
  After reading this article, the allergist should know the various causes of headache, recognize the warning signs of serious neurologic disease, and determine whether allergy or adverse food reactions are playing a role.
authors.affiliation: Division of Pediatric Allergy, Immunology and Pulmonology, Pennsylvania State University, Hershey Medical Center 17033, USA.
authors.forename: D E
authors.initials: DE
authors.lastname: Schuller
authors.forename: T E
authors.initials: TE
authors.lastname: Cadman
authors.forename: W H
authors.initials: WH
authors.lastname: Jeffreys
mesh_terms: D003389:Cranial Nerve Diseases / Q000150:complications; D006261:Headache / Q000209:etiology*; D006801:Humans; D008881:Migraine Disorders / Q000209:etiology; D012008:Recurrence