3 days ago after eating out and having a bacon and tomato sandwich plus a couple of mugs of beer my side became painful and swollen between between my right rib and hip bone. During the day it became less tender to the touch. Again that next night I awoke in pain, less swelling and still tender to the touch. Today I felt well enough to eat and had mashed potatoes and salmon with a small roll. I also drank an iced tea. Now it is painful and tender to the touch again though not as severe as the first night. I m not certain whether or not to go to ER, wait until I can get an appointment at the senior clinic or tough it out. Any suggestions?