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.
MEDICAL CONDITIONS
- 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, like 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.
INJURIES AND OVERUSE
- Bursitis. Inflammation from repeated pressure on the knee, such as kneeling for a long time, overuse, or injury.
- Dislocation of the kneecap.
- Fracture of the kneecap or other bones.
- Iliotibial band syndrome. Injury to the thick band that runs from your hip to the outside of your knee.
- Pain in the front of your knee around the kneecap.
- Torn ligament. An anterior cruciate ligament (ACL) injury, or medial collateral ligament (MCL) injury may cause bleeding into your knee, swelling, or an unstable knee.
- Torn cartilage (a meniscus tear). Pain felt on the inside or outside of the knee joint.
- Strain or sprain. Minor injuries to the ligaments caused by sudden or unnatural twisting.