I Had An MRI Done On My Right Knee It
You can try for intra articulate steroid injection.
As per your description it seems like you have severe degenerative joint disease.
If common pain killers are not effective, you can try for direct steroid injection to the joint for long term pain relief.
Consult an orthopaedic and he will direct you accordingly
Detailed details is required
You can have try newer modalities of treatment like ultrasound therapy. Arthroscopic procedures may be required in selected cases.
Detailed evaluation is required to find out exact cause of your symptoms.
Consult an orthopaedic and he will direct you accordingly.