If you go the mosquito dunks route… You need to allow the dunks to soak in water at least overnight, and then pour the water over the plant, not the dunks. You need to repeat the process I believe several times before it becomes fully effective.
It’s hard to fight off fungus gnats and chameleon enclosures, because they thrive in moist environments. For house plants you can change the potting medium to ensure that it drains well and allows some air pockets, and that the top 2 inches dry out before you re-water. That’s a good practice...
I’m surprised they didnt lance it if they think its infection. Keep us updated over the next two weeks to see if the size reduces. I agree that a compress will be challenging and probably more stressful than anything.
Keep him really well hydrated while on the antibiotics. Longer mistings...
6 months surprises me for gout to develop… always thought that one took more time to present (but I’m not even close to qualified to make that call).
I will say that bloodwork will help determine gout… uric acid in the blood would he elevated (I believe), which can also be indicative of other...
I couldn't get in to see the vet for some time. Tonight we had our visit and he was given a thorough vent exam - happy to report that aside from a little scar tissue, he’s been given a clean bill of health (fecal, too)! The vet credited his turn around to the home treatment I provided below...