Morning Joint Stiffness & Pain in Knees or Fingers: Arthritis Signs & Causes

### Why can joints feel stiff in the morning? Morning stiffness can occur when joints are affected by inflammation, degeneration, or other musculoskeletal conditions. ### Which joints can be affected? The knees, fingers, wrists, and other joints may be involved depending on the underlying condition. ### When is it concerning? Persistent morning stiffness, joint swelling, multiple painful joints, or symptoms that progressively worsen should be assessed by a doctor. ### What happens during evaluation? A clinician may assess the pattern of symptoms and perform an examination. Blood tests or imaging may be recommended when an inflammatory or structural condition is suspected.