does boric acid work and does it cure the infection? can u have sexual intercourse while useing boric acid? does the boric powder work just as good, i bought boric acid today and i am not quite sure how to use it or how much to use... can anyone help me with this...i am hoping this will keep me from going to dr so much...and also i heard that douching with hydrogen perixide works too...is that true? thanks hope for replys...i need the help....