
If you do a Google search for coloidal silver, you can come up with loads of info. It was used before the advent of antibiotics and antivirals and can still succeed in certain cases. It has certainly seemed to help in my son's dog who has similar symptoms.
You can try this site
http://www.cyberpet.com/cyberdog/articles/health/coloid.htm
As with any treatment, its always wisest to refer to your vet - at least tell him what you're thinking of trying. It's also worth reading the articles from people who don't believe in alternative medicines, to be aware of any potential pitfalls.
Jo and the Casblaidd Flatcoats