A migraine is not a severe headache. It is a neurological disorder characterised by recurrent, disabling attacks of unilateral throbbing head pain often accompanied by nausea, vomiting, and profound sensitivity to light and sound. Between attacks, most patients are entirely well. During one, functioning can be impossible.

For most patients, migraine is managed with outpatient medication. For some, an attack escalates beyond what home treatment can control - prolonged, refractory, or accompanied by neurological features that demand emergency evaluation to exclude serious pathology. This article explains the essential steps involved in emergency care for migraine.

Common Triggers of Migraine

Migraine attacks do not arise from a single cause. The underlying susceptibility is neurobiological involving cortical spreading depression and trigeminovascular activation. Common individual triggers include:

Hormonal fluctuation: Oestrogen withdrawal around menstruation; oral contraceptives can worsen frequency
Sleep disruption: Both inadequate and excessive sleep destabilise cortical excitability
Dehydration and missed meals: Hypoglycaemia and reduced cerebral perfusion both lower the attack threshold
Stress: The post-stress 'let-down' phenomenon is a recognised trigger pattern
Dietary triggers: Aged cheeses, processed meats, alcohol (particularly red wine), caffeine excess or withdrawal, and MSG
Sensory overload: Bright or flickering light, strong perfumes, loud noise
Weather and barometric pressure changes
Medication overuse: Analgesics or triptans used more than 10–15 days per month paradoxically increase attack frequency.

Warning Signs and Symptoms of Migraine

A migraine attack typically progresses through phases:

Prodrome (hours to days before): Mood changes, food cravings, neck stiffness, yawning, or fatigue - experienced by the majority of patients.
Aura (if present): Reversible neurological symptoms developing over 5–20 minutes like visual disturbance (zigzag lines, blind spots, flashing lights), unilateral sensory changes, speech difficulty, or rarely motor weakness. Aura always resolves; persistent aura symptoms are a warning sign.
Headache phase: Unilateral (though occasionally bilateral), throbbing, moderate to severe in intensity, worsened by routine activity. Accompanied by nausea, vomiting, photophobia, and phonophobia. Duration typically 4–72 hours.
Postdrome: Fatigue, cognitive fog and mood changes persisting 24–48 hours after pain resolution called the 'migraine hangover.'

First Aid for Migraine Attack

For a known migraineur whose attack pattern is familiar:

Take acute medication early: Triptans are most effective at the earliest sign of headache, waiting until pain peaks reduces efficacy sharply. NSAIDs are alternatives for those who cannot take triptans.
Retreat to a dark, quiet environment: Sensory stimulation prolongs and intensifies the attack. Close blinds, silence devices, and lie still.
Cold compress: A cold pack to the forehead or neck provides modest analgesia and is safe alongside any medication.
Hydration: Sip cold water or oral rehydration solution steadily. Nausea-driven dehydration worsens attacks.
Antiemetic if available: Antiemetic medicine manages nausea and improves gastric motility that are impaired during migraine.
Sleep: If possible, sleep terminates many attacks. Keep the room dark and quiet.

When to Seek Emergency Care for Migraine Attack

Go to the emergency department immediately if any of the following are present:

Thunderclap headache reaching maximal intensity within seconds
Headache accompanied by fever, neck stiffness, or rash
Neurological deficit that persists beyond the expected aura duration like focal weakness, speech disturbance, or unilateral vision loss
Headache following head trauma
First-ever migraine in a patient over 50
Attack lasting more than 72 hours (status migrainosus)
Vomiting so severe that no oral medication or fluid can be retained
Confusion, altered consciousness, or seizure activity
Visual loss that does not resolve within 60 minutes.

Emergency Treatment at the Hospital for Migraine Attack

Emergency management addresses both pain control and the exclusion of serious alternative diagnoses. The clinical approach follows a structured protocol:

IV analgesia: Parenteral metoclopramide or prochlorperazine (dopamine antagonists with dual antiemetic and antimigraine efficacy) are first-line emergency treatment. IV NSAID is used alongside or as an alternative. Opioids are reserved for refractory cases and used cautiously given dependency risk.
IV fluids: Rapid IV hydration corrects dehydration from vomiting and reduces attack intensity.
Triptans or ergotamines parenterally: Subcutaneous sumatriptan for patients who have not taken oral triptans and have no contraindication.
IV valproate or magnesium sulphate: For refractory or status migrainosus, magnesium sulphate has evidence for migraine with aura and is particularly useful in pregnancy.
Corticosteroids: IV steroid reduces the probability of headache recurrence within 24–72 hours of emergency treatment.
Dark, quiet room: A sensory-reduced environment is part of treatment, not an afterthought.

Do's and Don'ts During a Migraine Attack

Do's:

Take prescribed acute medication at the first sign of attack not after pain peaks
Move to a dark, quiet, and cool environment immediately
Apply a cold compress to the forehead or back of the neck
Sip cold water or rehydration fluids steadily
Sleep if possible
Keep a headache diary that includes triggers, duration, and medications used for future management.

Don'ts:

Do not wait to take medication until pain is severe as efficacy drops sharply
Do not use screen devices during an attack as light and flicker worsen photophobia
Do not take analgesics more than 10–15 days per month
Do not drive during an active attack or while taking sedating medications
Do not dismiss new or different headache features as 'just a migraine' without medical review.

Diagnostic Tests for Migraine Attack

Migraine is a clinical diagnosis there is no laboratory test or imaging finding that confirms it. Investigation is directed at excluding secondary causes:

CT head: First-line imaging in emergency for suspected subarachnoid haemorrhage, mass lesion, or intracranial hypertension.
Lumbar puncture: Performed when CT is normal but thunderclap headache or meningism is present.
MRI brain with contrast: Superior to CT for posterior fossa lesions, cerebral venous thrombosis, and white matter changes; not always required acutely
MR venography: For suspected cerebral venous sinus thrombosis, particularly in women on OCP presenting with progressive headache
Blood tests: Full blood count, ESR, CRP for inflammatory and infective causes; coagulation for thrombosis workup
Blood pressure measurement: A hypertensive emergency can present with a severe headache mimicking migraine.

Complications of an Untreated Migraine Attack

If left untreated migraines can cause:

Status migrainosus: A migraine attack lasting more than 72 hours, causing severe dehydration, exhaustion, and requiring IV treatment
Migrainous infarction: Aura symptoms persisting beyond one hour due to ischaemic infarction in the territory of the involved cortex
Persistent aura without infarction: Prolonged aura symptoms without imaging evidence of stroke, causing significant functional disruption
Medication overuse headache (MOH): The most common complication of inadequate management; analgesic or triptan use more than 10–15 days per month transforms episodic migraine into chronic daily headache.
Elevated rates of depression and anxiety.

Why Choose CARE Hospitals for Emergency Migraine Attack Care

A migraine presenting to the emergency is a diagnostic challenge, not just a pain management problem and serious neurological pathology must be excluded before any headache can be attributed to primary migraine. CARE Hospitals provides 24-hour CT and MRI access, with neurologists available when headache pattern or imaging findings deviate from expected migraine. IV treatment protocols use evidence-based antiemetic and antimigraine combinations rather than default opioid prescribing. For patients with frequent or refractory migraine, structured neurology follow-up including preventive therapy, headache diary review and trigger management, addresses the cycle that brings patients back to emergency departments when episodic migraine becomes chronic.

Conclusion

A migraine attack is disabling. Most resolve with early, correctly chosen acute medication and sensory rest. What demands emergency care is not the severity of the pain alone - it is the presence of features that distinguish primary migraine from a secondary headache that can be life-threatening. Know those features. If a headache arrives like thunder, if it comes with fever or neck stiffness, if a neurological symptom does not resolve, or if an attack runs past 72 hours, attend the emergency department immediately.

FAQs

1. What should I do during a migraine attack?

Take prescribed acute medication at the first sign. Retreat to a dark, quiet room, apply a cold compress, sip cold water steadily and sleep if possible.

2. When is a migraine an emergency?

When headache onset is sudden and explosive (thunderclap), when fever or neck stiffness accompanies it, when neurological symptoms persist beyond expected aura duration, when the attack exceeds 72 hours, or when vomiting prevents any oral intake or medication retention.

3. Can migraine cause vomiting?

Yes nausea and vomiting are core migraine features in many patients, caused by impaired gastric motility during the attack. Severe vomiting that prevents medication retention is one of the primary indications for emergency IV treatment.

4. How long does a migraine attack last?

By diagnostic criteria, 4-72 hours without treatment. Attacks lasting beyond 72 hours meet the definition of status migrainosus, a complication requiring emergency IV management rather than continued home treatment.

5. Should I go to the hospital for migraine?

If the attack pattern is familiar, home treatment with prescribed medication is appropriate. Go to the hospital if:

The headache is unusually severe
The headache is different from prior attacks
Neurological symptoms develop
The attack exceeds 72 hours
Vomiting prevents medication retention.

6. Can dehydration trigger migraines?

Yes dehydration is a well-established trigger, lowering the attack threshold and worsening severity. During an attack, vomiting accelerates dehydration further, creating a cycle that IV hydration in the emergency department breaks effectively.

7. Can sleep help reduce migraines?

Yes sleep is one of the most reliable natural abortive measures. For many migraineurs, a short period of sleep in a dark, quiet room terminates or substantially reduces an attack, particularly if taken before pain reaches peak severity.

8. What foods trigger migraines?

Aged cheeses, processed meats containing nitrites, alcohol (particularly red wine and beer), MSG, and high caffeine intake or abrupt caffeine withdrawal are the most commonly implicated dietary triggers.