Suggest Remedy For Continuous Pain In Back,right Leg And Swelling In Right Knee

hello Dr, My mom is a patient of herniated disc for so long.Last year she had a minor accident (she fall from two wheeler), so she got a gap in her L4 -L5 disc and having continous pain in back and in her right leg too. And now she discovered some swelling in her right knee.Can u plz suggest me something.Thanks Ruchi