Joint Warmth: Symptoms & Signs

Medically Reviewed on 9/10/2019

Warmth of a joint occurs in many normal and abnormal settings. Joint warmth can be a result of a warm covering over a joint and be normal. Joint warmth is a normal part of the healing process after surgical replacement of joints (arthroplasty). Injury, including fracture, bruising, and bleeding into a joint, can lead to joint warmth. Joint warmth can also be a result of diseases of, or injury to, the joint that cause inflammation. These diseases and injuries include arthritis, such as rheumatoid arthritis and psoriatic arthritis, as well as infection directly or indirectly involving the joint, such as from bacteria or viruses and septic arthritis, Osgood-Schlatter disease, repetitive motion injuries, cellulitis, slipped capital femoral epiphysis, stress fracture, dislocated knee, sickle cell disease, sporotrichosis, abscess, obesity, osteochondritis desiccans, knee strain, rheumatic fever, torn meniscus, ACL injury, and patellofemoral pain syndrome.

Other causes of joint warmth

  • Bacterial Infection
  • Heating Pad
  • Hemarthrosis
  • Joint Surgery
  • Lightening Injury
  • Overuse Injury
  • Pigmented Villonodular Synovitis
  • Seronegative Arthritis
  • Trauma
  • Viral Infection


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Firestein, Gary S., et al. Kelley's Textbook of Rheumatology, 9th Edition. Philadelphia, PA: Saunders, 2013