Four quick taps. Anonymous, no account.
1 = mild, 10 = worst imaginable
Zigzags, flashes or blind spots in your vision, or tingling.
Optional and approximate. It lets us compare age groups and women and men. Your choice is remembered only in this browser.
NearColumbus, United StatesChange
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This is not a medical diagnosis. If you have a sudden “worst-ever” headache, fever with a stiff neck, weakness, confusion or trouble speaking - call emergency services.