title: [The dangerous headache].
abstract: Some particularities are frequent in headache types due to a potentially dangerous disease, namely sudden onset, rapid increase of pain intensity, very localized headache, increasing frequency and intensity of pain, and the insurgence of neurological or psychopathological signs. The headache types showing one of these characteristics are discussed in detail.
authors.forename: M
authors.initials: M
authors.lastname: Mumenthaler
mesh_terms: D000783:Aneurysm / Q000150:complications; D001488:Basilar Artery; D001922:Brain Abscess / Q000150:complications; D001932:Brain Neoplasms / Q000150:complications; D002543:Cerebral Hemorrhage / Q000150:complications; D003937:Diagnosis, Differential; D004660:Encephalitis / Q000150:complications; D006261:Headache / Q000209:etiology*; D006562:Herpes Zoster / Q000150:complications; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000150:complications; D008581:Meningitis / Q000150:complications
vernacular_title: Das gefährliche Kopfweh.