- I dissent.
We also had a guinea pig a few years ago who would quite suddenly run around his cage and fling himself into things. It was terrifying to watch. He was a biter as well. He wasn't blind, and our vet felt that it was not seizure-related but anxiety. The guinea pig had been mistreated by a family who thought it was fun to allow their large dog to chase him around the house. Our vet put him on a low dose of Valium, and we paired him with one of our calmer boys and were eventually able to taper off the Valium.
Hope you can get it figured out.
Every single one of the rescues that came from a hoarder situation (split between two locations) absolutely hate being approached or picked up. These two hoarders knew each other. One lady was a failed breeder, and the other kept theirs in a drafty garage where they were allowed to hang out with bigger breed of dog.