I think it's possible that it can be caused by an allergy, but it could also be something a little deeper in the cat's system.
How is Teddy's potassium? Apparently, low or high potassium levels can cause twitching. I've read that high blood pressure could also cause twitching, as well as other imbalances (phosphorus and calcium).
Didn't you say Teddy has early onset of hyperthyroidism? I believe that can cause twitching, too.
How is Teddy's potassium? Apparently, low or high potassium levels can cause twitching. I've read that high blood pressure could also cause twitching, as well as other imbalances (phosphorus and calcium).
Didn't you say Teddy has early onset of hyperthyroidism? I believe that can cause twitching, too.