“A wounderfull experience for the headacke. Set a dish or platter of tynne vpon the bare head filled with water, putte an vnce and an halfe, or two vnces of molten leade therein, whyle he hath it vpon the head. Or els make a garlande of Veruayne, and wear it Daye and night, that helpeth wounderfully.”
Hieronymus Brunschwig, A Most Excellent and Perfecte Homish Apothecarye
The problem with most headache remedies is that they aren’t enough like performance art. Melting metal on your head while festooned with herbs: now that is a wounderfull experience.
How to Cure a Headache, ninth century, here.