I have severe burning pain between both shoulder blades and it looks swollen. how can i treat this at home?

Ibuprofen : Heat or ice, no heavy lifting, pushing or pulling. Watch your postur and if using computer a lot itigjt take awhile. You may need physical therapy . Did you injure yourself ?

Heat and rest: Most likely it could be muscle spasm use heat pad and take couple of aleve (naproxen) twice a day not better see a physician it might help to see a chiropractor.

Easy: First of all you need rest and apply cold pack.Also you can take Ibuprofen 200 mg 2 iotab every 6 hours.