Suggest Treatment For Polyp In Gallbladder

Hi, i have an over sized polyp in my gall bladder, i scheduled an appointment with my doctor,
wondering if i should go to ER
nights sweats 3 nights
cant sleep
urine cloudy
pain under neck in the back
pain under rib cage left side
nauseous always
feel bloated always
I eat very little and feel sick crakers and pita bread 3 or 4 days now