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Knee pain is a common problem.

Knee pain is a common problem.
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Knee pain

2-minute read

Knee pain is a common problem that can occur suddenly or over a period of time. There are a number of causes of knee pain, and generally treatment is readily available.

Causes of knee pain

Knee pain may be due to a number of causes.

Injury related causes include:

  • damage to knee structures, including bone, cartilage, ligaments, tendons or muscles
  • bursitis, which is inflammation of the fluid filled sacs that cushion the knee (known as bursae).

Arthritis related causes include:

Other causes include:

  • patellofemoral pain syndrome: pain around the kneecap (patella) where it runs over the end of the thigh bone (femur), sometimes due to the kneecap being poorly aligned
  • pain referred from the hip or lower spine.

Risk factors of knee pain

You are more likely than others to develop knee pain if you:

  • are overweight
  • have weak or tight leg muscles
  • do certain sports, for example skiing and basketball
  • have hurt your knee before
  • have uneven legs or other problems.

Knee pain symptoms

If you have knee pain, you may get other symptoms such as:

  • swelling, redness or heat in the knee
  • bruising around the knee
  • your knee 'giving way'
  • locking or clicking
  • inability to straighten your knee.

If you are concerned, visit your doctor or emergency department.

If you have a fever and a red and hot knee, see your doctor urgently or go to the nearest emergency department urgently.

Knee pain diagnosis

Your doctor will talk to you and examine your knee.

Your doctor may order some tests including:

Knee pain treatments

Treatment may include:

  • medicines, such as pain killers and anti-inflammatories
  • strapping or a brace to support the knee
  • foot orthotics to improve the way you walk
  • physiotherapy
  • surgery.

If you have injured your knee, you can start treatment at home. Read more about initial treatment of knee and other limb injuries.

If you are concerned about your knee pain, visit your doctor or emergency department.

Last reviewed: February 2017

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