Suggest Treatment For Severe Pain In Knees Due To Arthritis

my sister is arthritis patient for last 20 years and arth started when she was 15 years and her disaese took pause 15 years after 5 years of marriage it started again and her knees are in full pain and toes are swelled and when she stand knees takes too power her right hand has band and her left hand is bending lefora, for joints and felden as a pain killer she is taking and (delta) steroid she has taken a lot and which has affected on her eyes can u help me or dr. may be due to the lack of hemeoglobin she is feeling so pain her tissue muscles are weak and cant hold the wait of her body