Im 39yr old woman.I was in a bad accident that left me with savere back pain.Iv been taking norco for about 4yrs now.Im taking more & more lately & am afraid of an accidental o.d. I take between 12 to 15 a day,usually 4 @ a time.they dont seem to help my pain anymore but im afraid to stop on my own becouse the the severe physical withdrawl i need med hlp