My mother aged 70 years suffering with knee pain from last 4 yrs. Her x-ray shows degenerative osteo-arthritis change in both knee joint. Presently she is taking tab. Diclogetic, panspeed-40, hemitrol kit, mavistin-250mg, joincerin & inj. Dm in both knee from last six months but pain & stuff in joint knee still persist. Her medical report as follows: hb-12.4, tc: 11, 800, esr-20, t3-1.32, t4-8.6, tsh-1.46, sub-5.27 I shall be thankful if you suggest some medicines for her treatment. Please provide suitable hospital with estimated cost for knee replacement, if it is required.