Swelling & pain in knee , forehand.

My mother is suffering from swelling in whole body , sometimes clothes become shorter bcz of swelling , generally swelling happens around knee, forehand joint , ankle..she can walk but sometimes it hurts so much .. Cbc Report says that she has low haemoglobin which is 9.8, hct 30.2,mcv 72.8,rdw 14.4 Hematology report suggest ESR 40mm, R.A. factor negative, sugar 82.15, calcium 8.32, uric acid 3.26 Microscopic exam Pus cell 1-2 Epith cell 1-2 Sonography report suggest that liver size is normal 129 mm,no solid or cystic sol/calcification Gall bladder is well distance,no calculus is seen Pancreas is normal Both kidneys are normal in size,minimal fullness of pc system is noted on right side Bowels -visualized small large bowels appear unremarkable No ascites /pleural effusion Uterus is postmenopausal Doctor prescribed her chlordiazepoxide,clidinium bromide,rabeprazole Slight improvement is noticed .. But she stopped taking it so it appears again Sometimes she feels fullness in stomach