Talk to Rheumatologist on Rheumatoid Arthritis

My mother is suffering from rheumatoid arthritis.Dr Tania had done exceptional treatment when we visited Advance Hospital which helped my mother to recover and lessen the swelling of her hands and joints since 1 year,thankyou soon muh for that. Now, From a few months, She feels difficulty in walking and her left leg gets cold ,even when she tries to move it she feels alot pain ,its difficult to straighten her leg ,and also there is some swelling on her left leg joint.please help my mother to reach Dr Tania.