Well, one way to avoid adding a new discussion on diseases/treatments would be to simply change the name of the currently available "Newt and Salamander Help" discussion to "Newt and Salamander Health". "General Discussion and News" seems sufficient to cover requests for help not relating to animal health, like equipment problems, etc., and most requests for help relate to health anyway. Also, there's already a new discussion thread here on plants where people could post their requests for help about plants. One way or another, I'd like to see more discussion here about health issues.
Finally, I'd prefer to see separate sub-topics for Cynops and Paramesotriton under the Fire-bellied Newts discussion, especially considering there are over 700 posts and almost 100 threads in there now, with archives...