the problem is psychological and not physical. she has a phobia of blood and other medical procedures from the sounds of it. the only "cure" is going to be to get professional counseling to help her overcome her phobia. the good news is that that sort of phobia seems to be fairly common and there isn't anything "wrong" with her.
why does my daughter faint during medical proceedures or at the sight of blood? . my daughter faints at the sight of blood or during medical procedures. she can faint if she is thinking about or talking about a medical procedure. she is hoping to become pregnant soon and is concerned that she will have continued problems. is there a cure for fainting and getting light headed?