Received another '10 rosyboa. This has a swollen mouth and a puss discharge. Ubelieveable luck - all from the same person (mite-infested boa in last post, now this one).

Is there anything I can do before a vet visit? I have the snake in a well-ventilated cages with a nice warm spot near 90 deg and newspaper substrate. I have swabbed the area with peroxide.

Have never seen this with a rosyboa before.
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Mark