Urgency and frequency are more typical of pouchitis than pain or bleeding.
VSL has discount a discount program on their web site, and some insurance companies cover it (or can be persuaded to cover it).
It’s best not to invent vague fears about medical interventions. Long-term antibiotics can have side effects, and the side effects sometimes require changing to a different antibiotic or stopping the medication. Neverthetheless, long-term antibiotics (when side effects permit) are much better than urgency and frequency.