That is an autoimmune problem which can have an effect on Virtually any joint in The body, including your knees. You can find over-the-counter anti-inflammatory medicines for instance paracetamol and ibuprofen to assist minimize knee pain. Lots of OTC pain relief creams include methanol to cool the pores and skin https://www.theorthopaedicandpainpractice.com/knee-pain-in-older-patients-ages-55/