Short answer · Medically reviewed summary · Last updated: 2026-05-08
Migraine is a complex neurological disorder primarily referred to as migraine or migraine headache in medical literature. While it is classified under various subtypes in the International Classification of Headache Disorders (ICHD), the term migraine remains the universally accepted clinical and diagnostic label used by healthcare professionals worldwide. What are the common synonyms and historical names for migraine? While migraine is the standard terminology, you may encounter older or descriptive terms in historical medical texts.
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Migraine is a complex neurological disorder primarily referred to as migraine or migraine headache in medical literature. While it is classified under various subtypes in the International Classification of Headache Disorders (ICHD), the term migraine remains the universally accepted clinical and diagnostic label used by healthcare professionals worldwide.
While migraine is the standard terminology, you may encounter older or descriptive terms in historical medical texts. Historically, the condition was sometimes referred to as "hemicrania" (derived from the Greek for "half of the head"), which eventually evolved into the word migraine. Other outdated terms include "sick headache" or "bilious headache," reflecting older, now-debunked theories regarding the cause of the pain. In rare clinical contexts, you might see the abbreviation "Mig" in medical charts, though this is not a formal diagnostic name.
Official medical classification systems use specific nomenclature to ensure consistency. The International Headache Society (IHS) utilizes the ICHD-3 criteria, which categorizes migraine into two main types: migraine without aura and migraine with aura. Within the ICD-11 (International Classification of Diseases), it is coded under diseases of the nervous system. The OMIM database tracks the genetic components of migraine, often referencing specific familial subtypes like Familial Hemiplegic Migraine (FHM).
The variety of names associated with migraine reflects its clinical diversity. Because the condition manifests differently in every patient, clinicians often use descriptive modifiers to clarify the diagnosis:
Medical professionals and researchers overwhelmingly prefer the term migraine. Using this specific term ensures that your medical records align with current clinical guidelines and insurance coding requirements. At DiseaseMaps.org, 223 community members have shared their experiences, confirming that consistent use of the term migraine helps patients find the most relevant peer support and evidence-based treatments.
Medical disclaimer: This content is for informational purposes only and does not constitute professional medical advice, diagnosis, or treatment.