How long migraines last varies widely from person to person and attack to attack, but the diagnostic standard is well-defined: an untreated migraine attack lasts between 4 and 72 hours according to the International Classification of Headache Disorders[1]. The experience is often longer than the headache phase alone, because migraine has distinct phases that extend before and after the head pain itself.

This guide covers what each phase looks like, how long each typically runs, what counts as abnormally long (and why that matters medically), and how children’s migraine timing differs from adults. The goal is to set realistic expectations and identify the duration patterns that warrant medical attention.

Last updated: June 8, 2026 | By Austin Murphy

This article is for informational purposes only and does not constitute medical advice. Trigger tracking and self-management complement but do not replace medical evaluation and treatment from a qualified healthcare provider.

Key Takeaways

  • An untreated migraine attack lasts 4 to 72 hours under the standard diagnostic definition[1].
  • Migraine has four phases (prodrome, aura, headache, postdrome); the total experience often exceeds the headache phase.
  • A migraine attack lasting longer than 72 hours is called status migrainosus and warrants medical evaluation.
  • See a doctor for any migraine accompanied by sudden severe onset, vision changes lasting beyond an hour, weakness, speech difficulty, or fever.

The Standard Diagnostic Duration

The International Headache Society defines migraine attacks by specific diagnostic criteria. A migraine without aura is defined as a recurrent headache disorder manifesting in attacks lasting 4 to 72 hours when untreated or unsuccessfully treated[1]. The headache must also have at least two characteristics from a list (unilateral location, pulsating quality, moderate-to-severe intensity, aggravation by routine physical activity) and at least one of nausea, vomiting, or sensitivity to light and sound.

Effective acute treatment can shorten an attack considerably. Untreated attacks more commonly run toward the longer end of the range, while attacks treated early in their course may resolve within hours. The 4-to-72-hour band describes the natural duration in the absence of effective intervention.

The Four Phases of a Migraine Attack

Migraine attacks have distinct phases that extend the total experience well beyond the headache itself. Not every person experiences every phase, and the phases vary in length from attack to attack.

Prodrome (preheadache phase)

Most people with migraine will experience prodrome, but not necessarily before every migraine attack[2]. This phase can last several hours or may even occur over several days. Symptoms include mood changes, fatigue, sensitivity to light and sound, food cravings, frequent yawning, neck stiffness, and frequent urination. Recognizing prodrome symptoms gives some people the chance to treat the attack earlier.

Aura

Up to one-third of people with migraine experience aura[2]. Symptoms usually evolve over at least 5 minutes and can last for up to 60 minutes. Most commonly, aura involves visual disturbances (zigzag patterns, flashing lights, blind spots), sometimes accompanied by sensory or speech symptoms. Auras typically precede the headache but can occur during or even without a headache.

Headache

This is the pain phase. Pain may be on one or both sides of the head and typically lasts from several hours to up to three days. Symptoms beyond pain include nausea, vomiting, sensitivity to sound, light, and smell. Routine activities like walking or climbing stairs commonly worsen the pain.

Postdrome (migraine hangover)

Postdrome occurs in approximately 80% of people with migraine, though not after every attack[2]. Common symptoms include fatigue, body aches, difficulty concentrating, dizziness, and continued light sensitivity. Postdrome can last from hours to a full day or longer and is sometimes as debilitating as the headache phase.

Why Phases Matter More Than Headache Time Alone

Counting only the headache phase substantially underestimates the total impact of a migraine attack. A person whose headache lasts most of a day may also experience prodrome before and postdrome after, for a total disability window that easily exceeds the headache alone.

This matters for several practical reasons. Acute treatment timing depends on recognizing early phases. Workplace accommodation requests and disability documentation benefit from accurate phase descriptions rather than headache-only reporting. Family members and partners often misunderstand postdrome because the headache appears resolved.

For an in-depth look at postdrome specifically, our guide on migraine postdrome recovery covers the phase that often gets underestimated.

What Counts as Too Long: Status Migrainosus

A migraine attack lasting more than 72 hours unremittingly is called status migrainosus[3]. The diagnostic criteria require the attack to be both unremitting for more than 72 hours and debilitating, occurring in a person already diagnosed with migraine.

Status migrainosus is recognized as a complication of migraine, not a separate diagnosis, and warrants medical evaluation. Treatment may include intravenous medications, corticosteroids, or hospital observation depending on severity. Self-managing a migraine that has continued unbroken for 72 hours by waiting it out is not the right approach.

For acute migraine relief strategies that may shorten attacks before they reach this duration, our guide on how to stop a migraine fast covers the timing window when intervention is most effective.

Migraine Duration in Children

Migraine attacks in children may be shorter than the adult standard. Pediatric migraine attacks can last as briefly as 1 hour rather than the adult minimum of 4 hours, and often present with a more bilateral location than the typical adult one-sided pattern[4]. The 4-to-72-hour band remains a useful adult reference but doesn’t transfer directly to pediatric attacks.

Pediatric migraine is also more likely to feature gastrointestinal symptoms prominently, sometimes to the point that children present with abdominal pain as the most striking feature (a separate condition called abdominal migraine in younger children).

📑 Recommended Read: Understanding duration is one part of knowing your migraine pattern. Check out our complete breakdown of top migraine triggers for the upstream factors that influence both frequency and duration of attacks.

What Influences Attack Duration

Several factors affect how long any individual attack runs. None are universal, but they appear consistently in clinical observation:

Treatment timing. Acute medications taken early in the headache phase often shorten attacks compared to medications taken hours into pain.

Sleep during the attack. Many people find that sleeping through part of an attack accelerates resolution. The mechanism isn’t fully understood, but the observation is consistent.

Trigger avoidance during the attack. Continued exposure to light, sound, smells, or motion that aggravates symptoms can prolong the attack.

Hydration and food. Dehydration and skipped meals during an attack can contribute to prolongation. Whether they extend attacks or simply worsen them isn’t always clear.

Medication overuse. Frequent use of acute medications (more than 10 days per month for triptans or 15 days per month for simple analgesics) can transform episodic migraine into chronic migraine and is associated with longer individual attacks over time.

Tracking Duration in a Migraine Diary

Recording attacks systematically helps both individual self-management and conversations with healthcare providers. Useful fields to track:

Record start and end times of each phase you experience (prodrome onset, headache onset, headache end, postdrome end). Pain intensity throughout (a 1-to-10 scale is sufficient). Symptoms beyond pain (nausea, light sensitivity, etc.). Treatment used and timing relative to phase onset. Suspected triggers from the day or two preceding the attack.

Patterns often become visible across a couple of months of tracking that aren’t visible attack-by-attack. Some people discover their attacks consistently follow a certain trigger, run a predictable duration, or respond differently to treatment depending on the phase when treatment is taken.

When to See a Doctor

Several patterns warrant medical evaluation rather than ongoing self-management:

  • Any migraine attack lasting longer than 72 hours unremittingly (status migrainosus)
  • Sudden severe headache reaching peak intensity within seconds to minutes (“thunderclap” pattern)
  • Headache accompanied by fever, stiff neck, confusion, or rash
  • Headache with weakness, speech difficulty, or numbness
  • Vision changes lasting beyond 60 minutes or not resolving after the headache
  • First-ever severe headache, especially after age 50
  • Pattern change in established migraine (significantly more frequent, longer, or different in character)
  • Headache that worsens with cough, exertion, or position changes
  • Pregnancy-related new headache
  • Migraine attacks are not responding to previously effective treatment
  • Increasing reliance on acute medications (approaching or exceeding 10 days per month)
  • Need for emergency-room care for migraine more than once

A primary care doctor is a reasonable first stop; a neurologist or headache specialist may follow depending on findings.

Common Misconceptions About Duration

“All migraines last about the same time.” Variation between people is large; variation between attacks in the same person is also significant. Pattern-tracking shows personal variability that average statistics obscure.

“If I sleep, the migraine ends.” Sleep helps many people, but some attacks continue through sleep, and others resolve without sleep. Sleep is supportive, not a guaranteed termination.

“Short attacks aren’t real migraines.” The 4-hour minimum is the diagnostic floor for migraine without aura, but pediatric migraines can be shorter, treated migraines often resolve faster, and migraine-spectrum conditions exist that don’t meet full criteria but share the underlying biology.

“Long attacks mean my migraine is getting worse.” Sometimes, but not always. Many people have stable attack durations over years; others have variable patterns without progression. A meaningful pattern change is worth discussing with a doctor.

“The headache is the whole migraine.” Prodrome, aura, and postdrome can each be longer than the headache itself in some attacks. Total migraine impact substantially exceeds the headache duration.

Frequently Asked Questions

How long does the typical migraine last? Untreated migraine attacks are defined as lasting 4 to 72 hours per the International Classification of Headache Disorders[1]. With effective acute treatment, attacks often resolve faster.

Can a migraine last just a few minutes? Migraine-spectrum experiences (visual aura without headache, very brief vestibular episodes) can be short, but the headache phase of a typical migraine attack does not resolve in minutes. Brief severe head pain that resolves in minutes is more often associated with other headache types.

What is the longest a migraine can last? Status migrainosus is defined as a migraine attack lasting more than 72 hours unremittingly[3]. Beyond that duration, medical evaluation is appropriate and often necessary.

Why does my migraine hangover last so long? Postdrome can run from hours to over a day. Approximately 80% of people with migraine experience some postdrome[2], and its duration appears unrelated to the headache duration in many cases.

Are women’s migraines longer than men’s? On average, migraine attacks tend to be longer in women than in men, with hormonal influences playing a role for menstrual-related attacks specifically. Individual variation is large.

Why does a migraine sometimes feel like it lasts days? Because it often does. The combined prodrome, headache, and postdrome window can exceed two days even when the headache phase itself runs less than a day.

How long should I wait before going to the ER? A migraine resembling your typical attacks can usually be treated through normal channels. Sudden severe onset, neurological changes, fever, stiff neck, or attacks at or beyond the 72-hour threshold warrant prompt medical evaluation, including ER if no other path is available.

Are migraines longer as you get older? The pattern varies. Many people see attacks soften and shorten after their 50s, but not all do. Late-onset migraine (first attack after age 50) is rare and warrants medical evaluation.

This article is for general education and does not replace medical advice from a qualified healthcare provider familiar with your specific health history. Persistent, severe, or pattern-changed migraines warrant professional evaluation.

Sources

  1. Headache Classification Committee of the International Headache Society (IHS). 1.1 Migraine without aura. International Classification of Headache Disorders, 3rd edition. View source
  2. American Migraine Foundation. The Timeline of a Migraine Attack. View source
  3. Headache Classification Committee of the International Headache Society (IHS). 1.4.1 Status migrainosus. International Classification of Headache Disorders, 3rd edition. View source
  4. Oskoui M, Pringsheim T, Holler-Managan Y, et al. Practice guideline update summary: Acute treatment of migraine in children and adolescents. Neurology. 2019;93(11):487-499. View source