I've Had A Really Bad Sunburn Almost A Month And

I've had a really bad sunburn almost a month and a half ago but no blistering. The most painful spot was on my breast which was purple instead or red and the pain was deadly I felt like it reached the bones. The dead skin came off a few days after the sunburn and now it looks normal but the pain is still present and usually constant ! It's almost like having been beaten on that spot! And it's deep inside. And I'm sure it's from the sunburn because it's in the exact same spot. Please help!