Looks like your mother pain is from degenerative osteoarthritis of the knee. This typically has flare ups with with varying intensity and duration of pain. Plain Xray/Radiographs of the knee in standing position in both planes can easily show the severity / stage of osteoarthritis.
Next Steps
Please consult an orthopaedic doctor nearby for further assessment and management.
Answered2016-09-02 16:28:32
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