directly related to an injury or overuse may occur in or around the
(degenerative joint disease) may cause knee pain that is worse in the morning
and improves during the day. It often develops at the site of a previous
injury. Other types of arthritis, such as
lupus, also can cause knee pain, swelling, and
Osgood-Schlatter disease causes pain,
swelling, and tenderness in the front of the knee below the kneecap. It is
especially common in boys ages 11 to 15.
popliteal (or Baker's) cyst causes swelling in the
back of the knee.
- Infection in the skin (cellulitis),
joint (infectious arthritis), bone (osteomyelitis),
bursa (septic bursitis) can cause pain and
decreased knee movement.
- A problem elsewhere in the body, such as a
pinched nerve or a problem in the hip, can sometimes cause knee
Osteochondritis dissecans causes pain and decreased
movement when a piece of bone or cartilage or both inside the knee joint loses
blood supply and dies.
Treatment for a knee problem or injury may
include first aid measures, rest, bracing, physical therapy, medicine, and, in
some cases, surgery. Treatment depends on the location, type, and severity of
the injury as well as your age, health condition, and activity level (such as
work, sports, or hobbies).
Check your symptoms to decide if and when
you should see a doctor.