Get some tobacco, QUICK!
Maybe some benadryl, too.
May want to call your doctor, he'll give you shot of benadryl.
(I forgot, covid, are we still in a pandemic? scratch that, no doctors...)
I hope you ain't allergic! Or, developed an allergy to them!!!
Chew tobacco, or even a cigarette, wet it a little with water (we used to just spit on it,
but don't, be/stay clean, use water).
Plaster it over the bite, band-aid it on, duct tape, whatever tape.
Something about tobacco, pulls the poison out (what we were always told).
It'll only hurt for few hours vs. days....
Works for regular wasps and bees...

Guess we'll see.... good luck with that one, OUCH!