I'm glad that you got her to the vet and that's she's on meds.

I don't think that hairballs would very much ahve anything to do with it---but I can't be sure. Isn't it characteristic of akitas to be very clean?

I hope that it was just the pigs ears, so then it would probably only be a temporary thing. But would the affects of them last that long? Since you gave them last weekend, wouldn't symptoms have shown up earlier?