Sorry, I don't have any information about the abscessed foot growing faster -- that does sound very odd. However, last week when I was at the feed store, the owner was telling me about this product called White Lightning. It's supposed to be the best thing for thrush, white line disease, and abscesses. It's antfungal, antisporicidal, etc. and is supposedly the same chemical used to rid government buildings of Anthrax years ago. If you do a quick Google search of "White Lightning hoof," the company's website should come up. The feed store owner is always in the know on the latest and greatest stuff and is always reading horse books, magazines, etc., so I really trust him. Luckily, the White Lightning is also relatively cheap. Hope that helps!