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“Silent migraine” describes a migraine attack without a headache. Other names for a silent migraine include acephalgic migraine, amigranous migraine, migraine aura without headache, and migraine equivalent.
A “silent migraine” is technically not a type of migraine, but a phase of a migraine attack. Migraines typically occur in 4 stages:
- Prodrome - symptoms that occur before the attack
- Aura - about 25% of migraine patients experience aura
- Headache – a silent migraine skips this phase
- Postdrome -“hung over” feeling
Symptoms of silent migraines are sometimes similar to symptoms of stroke or a transient ischemic attack (TIA). If you experience symptoms of a silent migraine, see a doctor immediately.
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Migraine.com. Silent Migraine. 2 January 2019