sharol, I had an EE hen that got bumblefoot & I did surgery on her & soaked & wrapped her foot to keep it clean & it healed & so far she has not had any recurring problems, that was over a year ago. We also have a gravel driveway, but my feeling was that she got it jumping down from the roost without enough shavings underneath at the time to soften the blow. Now I make sure I have enough shavings underneath there for them to land safely. Good luck with treating them & let us know how they do. I never did get any of the tricide-neo, it's pretty pricey stuff.