Swollen Knee: Symptoms & Signs

Medically Reviewed on 9/10/2019

A swollen knee is a common result of trauma or injury to the knee, such as sports-related injuries or automobile accidents. Falls and overuse injuries are another common cause of knee injury.

Early symptoms that accompany the swelling can include

The arthritis conditions are other common causes of knee damage that can lead to a swollen knee. Swelling in the knee area can result due to damage or disease of any of the structures of the knee area and knee joint, including bones, tendons, ligaments, menisci, muscles, skin, bursae, or blood vessels.

Other causes of swollen knee

  • Abscess
  • Collateral Ligament Injuries
  • Injury
  • Joint Dislocation
  • Posterior Cruciate Ligament (PCL) Injury
  • Tendinitis
  • Tendon Tear
  • Torn Ligaments
  • Trauma
  • Tumors


Exercises for Knee Osteoarthritis and Joint Pain See Slideshow

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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.