What to eat, drink, and avoid to increase joint fluid for dry knee joints? ACC English How to relieve knee pain? A knee gel injection helps improve lubrication and cushioning inside the joint when natural joint fluid becomes less effective over time This is commonly used for patients Castor Oil for Knee Pain How to Use Castor Oil for Knee Pain Osteoarthritis Diagnosis & treatment Mayo Clinic How Do I Prevent Knee Pain From Returning After Rest Days? Total Ortho Sports Medicine