Runners Knee pain
Knee pain is a common symptom in people of all ages. It may start suddenly, often after an injury or exercise. Knee pain also may begin as a mild discomfort, then slowly get worse.
Knee pain can have different causes. Being overweight puts you at greater risk for knee problems. Overusing your knee can trigger knee problems that cause pain. If you have a history of arthritis, it could also cause knee pain.
- Arthritis — Including rheumatoid arthritis, osteoarthritis, lupus, and gout
- Baker cyst — A fluid-filled swelling behind the knee that may occur with swelling (inflammation) from other causes, such as arthritis.
- Cancers that either spread to your bones or begin in the bones
- Osgood-Schlatter disease
- Infection in the bones of the knee
- Infection in the knee joint