Anxiety…or a Migraine Starting? Sometimes the “panic” feeling isn't panic at all
Your brain and your body speak the same language of “alarm.” Before the pain even hits, your nervous system might be signaling a migraine through a sudden wave of panic. Here's what's actually happening — and how to tell the difference.
It's more common than you might think: someone arrives at a psychiatric appointment describing panic attacks, only to discover that what they've been experiencing is migraine prodrome — the neurological warning phase that precedes head pain. The two conditions overlap in ways that can confuse patients and clinicians alike.
The prodrome phase looks a lot like anxiety
Up to 77% of people with migraines experience a prodrome — a warning phase that can begin hours or even a day before the headache arrives. During this phase, the brain releases waves of neurological activity that can trigger sudden irritability, a sense of impending dread, difficulty concentrating, and restlessness. From the inside, it is nearly indistinguishable from a classic anxiety episode.
Your brainstem is the common thread
Both anxiety and migraines involve the same underlying circuitry — the brainstem, the trigeminal nerve, and the limbic system. When migraine activity begins, it can activate the same “alarm” pathways that anxiety does. That’s why some people describe their migraines as starting with a feeling of doom or a racing heart rather than head pain.
Light and sound sensitivity is the tell
Anxiety rarely causes photophobia or phonophobia on its own. If a sudden wave of panic is accompanied by sensitivity to light, sound, or smell — or if you feel the need to retreat to a dark, quiet room — migraine prodrome is the more likely explanation. Tracking this pattern across episodes is one of the most reliable ways to distinguish the two.
Cortical spreading depression is not a metaphor
The neurological cascade that triggers a migraine — cortical spreading depression — involves a wave of electrical activity moving across the brain. This wave disrupts normal neurotransmitter balance, temporarily altering mood, perception, and even personality. The anxiety you feel in that window is a symptom of the migraine itself, not a separate psychiatric event.
Treating anxiety alone can make migraines worse
Some anxiolytics and stimulant-based treatments can lower the migraine threshold, making attacks more frequent or more severe. If you’ve been prescribed anxiety medication but your “panic episodes” keep returning on a predictable cycle, it’s worth asking whether the underlying diagnosis is correct. A migraine specialist or a psychiatrist who understands the overlap can help untangle this.
The two conditions are genuinely comorbid — and that’s okay
People with migraines are two to three times more likely to also have an anxiety disorder — and the relationship runs both ways. Anxiety can lower the migraine threshold, and chronic migraines can fuel anxiety about when the next attack will strike. Addressing both together, rather than treating them as unrelated problems, tends to produce better outcomes for both.
If you've been managing what feels like anxiety but something doesn't quite fit — the pattern is too regular, the relief too sudden, the episodes tied to specific triggers — it's worth a fresh look. A careful history and the right questions can make all the difference.
Not sure what you're dealing with?
A thorough psychiatric evaluation looks at the full picture — your symptoms, your history, and the patterns that don't quite add up. Most new patients are seen within 5–10 business days.