I only ask because smaller snakes shouldnt be subjected to certain medications. But go with AMIKACIN for the RI. A culture should be done but is a little pricey.
Bloods seem to do best with that drug for RI's.
Loading dose on day 1 IM
Then every 72h IM for 2 weeks. So a total of 6 shots if I did my math right. Its most likely agressive Pseudomonas.
HTH