This is what I've used: https://www.walmartpetrx.com/p-100-p...UaAkSxEALw_wcB\
I won't be offended if you run all this by this vet or another...I just hope you can help your snake recover before there's too much damage done. Snakes can be challenging to diagnose- they don't give many hints, but we have to pay attention for whatever they show us.