Hello, I am an 18 year old male and I got an open appendectomy exactly 4 weeks ago. My appendix did not burst and was removed during early stages of the infection. Recovery was painful but after about a week I was able to resume normal activity. Everything seemed to be going fine but last week after a long walk I started feeling a burning/pricking sensation in my lower right back and occasionally right under my rib cage. I was wondering if this is normal and if I should go back to my surgeon?