Quadriceps Exercises- Lie straight, make a towel role and put it under the knee, press the keen against the role, hold it for 20 secs. Repeat 20 times twice a day. This will help relieve some pain. Core Strengthening Exercise- Straight Leg Raised With Toes Turned Outward, repeat 10 times, twice a day. Hams Stretching- lie straight, take the leg up, pull the feet towards yourself, with a elastic tube or normal belt. repeat 10 times, twice a day.

This is not a big issue. Knee pain can be relieved easily with the combined treatment of acupuncture and physiotherapy.      Try to know about the person who is good in acupuncture in your locality and also visit a physiotherapists.

10 days increase in severity of pain is not an indication for urgent Knee replacement. Take some anti inflammatory, pain killers and rest. Once the pain is better decision regarding surgery should be taken

10.yr history with increasing pain is a indication for knee replacement surgery Need to see the doctor  understand the procedure and go ahead with it 1000 of knee replacements r done daily in the world It os a successful surgery

Start with knee pain relieving exercises.  Copy the android link and do the exercises https://play.google.com/store/apps/details?id=com.technoherpes.kneepain

Reason behind Sudden increase in pain can be cold weather Do hot formentation