Trivial I know but my rheumatolgist told me there's something up with my collagen, its spaced to far apart or something. I don't know what conditions its connected to She did Tell me But I forgot lol. She said in the past when I have been injected with local anesthetic at the. DEntist that's Why it hasn't worked. Strangely I have had this problem with tattoos! Iv tried over and over again to get it to stay in my leg but it just won't. I just wondered if anyone else had the Same problem?