Nope he didn't think it necessary, he was pretty confident this stuff would work, apparently it's the stuff they use during intestinal surgery so is mild on tissue but very effective and longer acting than some. I will definitely use for scrapes if it doesn't clear up.Fingers crossed the cream works, I know lower legs don't respond as well as other places to oral antibiotics but they can help. Did he take any samples? If he didn't then I'd ask him to if the miracle cream doesn't work, sometimes persistent infections have developed a resistance & different antibiotics are needed.