Hi,
you might want to take a look at this:
http://www.tortoisetrust.org/article...ml#Respiratory
It came from The Tortoise Trust. Just scroll down the page to "Respiratory disease" under the "Introduction".
Make sure that you keep him very clean, very warm, and very dry. I wish the best for you and your tort.
David Gaithe
www.razorbackexotics.com