I've been close to death often enough. [ he smiles, a subtle baring of the teeth. his hands are shaking ever-so-slightly. ] But I am quite familiar with poison. [ ah, yes, that was suitably vague. ]
This variety, whatever it may be-- I've no doubt that it can be flushed out somehow.
[ actually, there's a fair amount of doubt going on here. definitely fair. that hand moves absently lower to settle on his roiling stomach, shaking all the while. ]