Hi, Liz! If you search on the FML archives, you'll find that MANY subscribers use it on their ferrets. I do so myself (with the blessing of my vet), and it helped my little Paddington Bear get better after conventional antibiotics had failed. I'm so glad I used it; he probably wouldn't be here today if I hadn't. Use of colloidal silver has been a big, contentious issue when discussed on the list in the past, and BIG has had to call a halt to further discussions of it for that reason. If you search the FML archives, though, or start asking around to various shelters, you should be able to get the info. you need and personal anecdotes on colloidal silver usage. It's also a part of one of Timmy's treatments (not the Timmy's Tonic, but the complete treatment), which many subscribers have used. - Ela Ela Heyn Harborside Mail Stop 3024 201-860-3336 [log in to unmask] [Posted in FML issue 2884]