dear sir,my wife ,45..now,hav pain in knee ..left leg,consulted dr. and got xrays done,shown gap in knee,following medicines prescribed..1.tab G L X-P 8MG. 2.TAB rabipace 20mg 3.TAB ostovit dm. 4.CAO UNION .. CORAL CALCIUM. and quadriceps exercise, sir please reply. as there is no relief. what should b done to avoid this types of pain