If used appropriately due to vanco treatment faiure, I'm all for it.
It's not becoming more restrictive per se as it's difficult to restrict drugs once it's been used widely. So this needs to be done upfront as drug is added to the formulary. Strict use criteria is how it should be done.
mmmm.. what's getting more costly and toxic? Vanco? Vanco is a very inexpensive treatment option including the monitoring compared to Linezolid and Daptomycin. As far as toxicity, renal toxicity is typically reversed once the treatment ends.