bjj and back question

anyone here get a pain in the back particularly with me on the one side it feels like its a muscle near my kidney(but not hte kidney or id know it) it just makes me when and when i get tossed or rolled onto the side all my energy goes away for a sec and i ussually get mounted...figured first id try a chiropractor if not id see a doctor...been doing bjj for 2 yrs now and this is a new thing my instructors are dumbfounded and recommended a chiropractor as i lift weights and roll almost 5 days a week

See a doc.