: 
{much deleted]
: 
: 
: The fact that this happened while eating two sugar coated cereals made
: by Kellog's makes me think she might be having an allergic reaction to
: something in the coating or the cereals.  Of the four of us in our
: immediate family, Kathryn shows the least signs of the hay fever, running
: nose, itchy eyes, etc. but we have a lot of allergies in our family history
: including some weird food allergies - nuts, mushrooms. 
: 

Many of these cereals are corn-based. After your post I looked in the
literature and located two articles that implicated corn (contains
tryptophan) and seizures. The idea is that corn in the diet might
potentiate an already existing or latent seizure disorder, not cause it.
Check to see if the two Kellog cereals are corn based. I'd be interested.