That is the problem with gallbladder problems the symptoms are all over the place. You can have acid reflux, nausea, shoulder pain, back pain. In my case I always thought it was my intestines, pains travelling waist level left, and low left or right.
NEVER pain at the right waist level where the gallbladder is.
Check the liverflush forum. FAQ and cleanses and try that first. See my symptoms in a message above.