medical

Brainburn

(Also referred to as toxic agonotraxis.) A traumatic disorder suffered by wizards who have become involved in too powerful a wizardry without appropriate safeguards, or in cases where the spell's power output overflows safeguards already in place.

Aspirin

The generic name (though once a brand name) for acetylsalicylic acid. Kit is allergic to it.

One of the spells worked in SYWTBAW calls for aspirin as one of its vital ingredients.