yeah any medication or anythng i am given is removed from my body within 15mins, i had anti-d injections for my O-neg blood when i was pregnant with my son within 24hours it was out of my system its meant to last 6weeks, i'm terrible i need like 5-10times the amount of anithetics and such than a normal person, saying this you would think i was at least a biggish person, i am 4ft 11in and about 52kg lol... i'm tiny lol... its not fun, my immune system is fucked, my body is messed up nothing works right at all... whats normal for me would be deadly to others my b/p is always low my temp is at leat 2oC below any normal human lol... doctors hate me, since i was little i picked up everything going and they have no idea whats wrong with me, my blood is O-neg so transfusions not always so easy, i can give to anyone but almost noone can give to me. my body attacks everything and that included my son and other pregnancies we believe... sadly.