How bad is his hemophilia? Its possible that the doctor is trying to spook him off knowing what he was gona do.. Y dont u give a test shot in the ass neway, if it doesnt stop bleeding then u go to the hospital. Big deal, then at least u know. Be ofcourse safe when doing this etc but u cant bleed so much from a pin prick hole that u will die b4 u get to the hospital.. thats what I would do at least