I have a lumbar strain and I work construction been out for 4weeks now still have lots of pain going to start pt do you think I should go back to work?

Go and see doctor. it is impossible for any body to advise about work you are the best judge of that the amount of pain and discomfort and the physical nature of your job will tell you what to do if you are afraid you are going to aggrevate an injury you need to be checked by a doctor and have some test done to determined the extent and the treatment of your injury good luck thank you for using health tap.
Discuss with treatin. Physician. Going back to work is dependent upon your symptoms, accommodations your job can make for you.