Common causes of knee pain
Knee pain can be a symptom of many different conditions. A doctor will suggest treatment based on the condition causing your pain. They might:
- refer you to hospital for a scan or specialist treatment, for example surgery
- prescribe medication or physiotherapy
Use these links to get an idea of what can be done about knee pain. But don't self-diagnose – see a GP if you're worried.
Knee pain after an injury
Knee symptoms |
Possible cause |
Pain after overstretching, overusing or twisting, often during exercise |
sprains and strains |
Pain between your kneecap and shin, often caused by repetitive running or jumping |
tendonitis |
Unstable, gives way when you try to stand, unable to straighten, may hear a popping sound during injury |
torn ligament, tendon or meniscus, cartilage damage |
Teenagers and young adults with pain and swelling below kneecap |
Osgood-Schlatter's disease |
Kneecap changes shape after a collision or sudden change in direction |
dislocated kneecap |
Knee pain with no obvious injury
Knee symptoms |
Possible cause |
Pain and stiffness in both knees, mild swelling, more common in older people |
osteoarthritis |
Warm and red, kneeling or bending makes pain and swelling worse |
bursitis |
Swelling, warmth, bruising, more likely while taking anticoagulants |
bleeding in the joint |
Hot and red, sudden attacks of very bad pain |
gout or septic arthritis |