Summary
Definition
History and exam
Key diagnostic factors
- presence of risk factors
- prolonged headache
- nausea
- decreased ability to function
- headache worse with activity
- sensitivity to light
- sensitivity to noise
- aura
Other diagnostic factors
- vomiting
- unilateral
- throbbing sensation
Risk factors
- family history of migraine
- female sex
- obesity
- stressful life events
- medication overuse
- sleep disorders
- low socio-economic status
- allergies or asthma
- hypothyroidism
Diagnostic investigations
1st investigations to order
- clinical diagnosis
Investigations to consider
- erythrocyte sedimentation rate (ESR)
- lumbar puncture (LP)
- cerebrospinal fluid (CSF) culture
- MRI brain
- CT head
- angiography
Treatment algorithm
patient presenting to the emergency department with persistent migraine
mild to moderate symptoms: non-pregnant
severe symptoms: non-pregnant
pregnant
frequent recurring severe/disabling symptoms: non-pregnant
frequent recurring severe/disabling symptoms: pregnant
Contributors
Authors
Timothy A. Collins, MD
Associate Professor of Neurology
Chief
Headache Division
Department of Neurology
Duke University Medical Center
Durham
NC
Disclosures
TAC provides expert testimony for legal cases regarding headache disorders and treatment (approximately one or two cases per year). TAC is an author of several references cited in this topic.
Acknowledgements
Dr Timothy Collins would like to gratefully acknowledge Dr Ann Donnelly, the previous contributor to this topic.
Disclosures
AD declares that she has no competing interests.
Peer reviewers
Anne Walling, MD
Professor
Family and Community Medicine
University of Kansas School of Medicine
Wichita
KS
Disclosures
AW declares that she has no competing interests.
Marc S. Husid, MD
Director
Walton Headache Center
Augusta
GA
Disclosures
MSH declares that he has no competing interests.
Differentials
- Headache, tension
- Headache, cluster
- Medication overuse headache
More DifferentialsGuidelines
- Pharmacological management of migraine
- Headaches in pregnancy and postpartum: ACOG clinical practice guideline no. 3
More GuidelinesPatient information
Migraine
Migraines: questions to ask your doctor
More Patient informationVideos
Diagnostic lumbar puncture in adults: animated demonstration
Peripheral venous cannulation animated demonstration
More videos- Log in or subscribe to access all of BMJ Best Practice
Use of this content is subject to our disclaimer