HELLO, CONSULT AN ORTHOPEDICIAN. X RAY BOTH KNEE JOINT AP/LAT VIEW. IT'S DUE TO AGE, N JOB IS DRIVING SO KNEE S ARE FOLDED AL THE TIME AT AN  POSITION. OSTEOARTHRITIS. TILL THAN, TABLET HIFENAC MR TWO-TIMES A DAY AFTER LUNCH AND DINNER FOR FIFTEEN DAYS. TABLET CAVIT PM ONE AT NIGHT FOR LONG-TERM BASIS. TABLET VITAMIN D3 60,000 IU, ONEPER WEEK FOR EIGHT WEEKS THAN ONE PER MONTH FOR SIX MONTHS.IN A. YEAR.AFTER ONE YEAR AGAIN REPEAT AS DEMONSTRATED. AVOID SPICY FRIED FOOD. PLENTY OF LIQUIDS. CURD N BUTTER MILK INSTEAD OF MILK AS IT CONTAINS CACIUM N LACTOBACCILUS WHICH IS BENEFICIAL. LOCALLY APPLY VOLINI GEL OR SPRAY THREE, FOUR TIMES. YOU KNOW IT CONTROLS BUT NO CURE. PERMANENT SOLUTION KNEE JOINT REPLACEMENT IS VERY COSTLY. O.K BYE.