Sudden pain in one of the knees isusually the result of overusing the knee orinjuring it. In many cases, youdon't need to see your GP.

The knee joint is particularly vulnerable to damage and pain because it takes the full weight of your body and any extra force when you run or jump.

You're more likely to experience knee pain as you get older, and people who are overweight or do lots of sports have a higher risk of damaging their knees.Some sports that involve a lot of turning, such as football, netball and skiing, carry a particularly high risk of knee injuries.

This pagesummarises some of the most common causes of pain in one or bothknees, and offers advice on knee-pain .

Content supplied by the NHS Website

Medically Reviewed by a doctor on 4 Jan 2017