Learn what causes hip arthritis, the main risk factors, and the symptoms that signal it may be time to see a doctor.   🔎 What Causes Hip Arthritis?   Hip arthritis occurs when the cartilage that cushions the hip joint wears down, leading to pain, stiffness, and reduced mobility. Several factors contribute to its development:   Osteoarthritis (wear-and-tear arthritis)   The most common type.   Happens as cartilage naturally breaks down with age. Rheumatoid arthritis (autoimmune)   The body’s immune system attacks the joint lining, causing inflammation and cartilage damage.   Injuries or Trauma   Past hip fractures or dislocations…