Laparoscopic gallbladder surgery on 5/2/16.Still experiencing pain in R. side, R.back under shoulder blade, lower R.abdomen too. What would cause this?

Be checked soon... What you have experienced in pain would have no easy way out, but a systemic approach would help as described in http://formefirst.com/eNewsletter06.html. Besides, peruse and understand other related articles in What to Do at Feeling Sick? and those in Basics of Self-Care; that will help.