Suggest Medication For An Excruciating Pain In The Breast

Well, my question is my daugher had an cheerleader accident. They was doing a chearleading routine, and by her being the smallest one they threw her up in the air, and she came down she broke her arm. That's been years ago, but she's having these excruciating pain in her breast and down her arm right now. She's constantly in pain what could be causing this?