Hi and welcome to Healthcaremagic. Thank you for your query. I understand your concerns and I will try to help you as much as I can. This is mainly caused by osteoarthritis especially if there was no previous injury.To help alleviate the discomfort, I recommend: • Anti-inflammatory medications. Try aspirin or ibuprofen. Acetaminophen is a good pain reliever but does not reduce inflammation. • RICE therapy. Rest, Ice, Compression and Elevation can help reduce swelling and pain. • Physical therapy. Exercise that strengthens your quads and hamstrings may help relieve the pressure on your knees. • Knee braces. They can take pressure off the arthritic area. • Cortisone injections. An occasional injection of this steroid may lessen the swelling and achy pain. • Lubricant injections. Viscosupplementation, or lubricant injections, can help the knee move more smoothly. “It can help three out of four people if the arthritis isn’t too severe,” If your pain and swelling are getting worse and you can no longer put weight on your knee, see your doctor. A simple X-ray can show if there is osteoarthritis and, if needed, an MRI scan can check for meniscal tears or loose chips of cartilage. I hope I have answered you query. If you have any further questions you can contact us in every time