Joints are the parts of your body where your bones meet. Joints allow the bones of your skeleton to move. Joints include:
shoulders
hips
elbows
knees
Joint pain refers to discomfort, aches, and soreness in any of the body’s joints. Joint pain is a common complaint. It doesn’t typically require a hospital visit.
Sometimes, joint pain is the result of an illness or injury. Arthritis is also a common cause of joint pain. However, it can also be due to other conditions or factors.
Symptoms
In some cases, your joint pain will require you to see a doctor. You should make an appointment if you don’t know the cause of your joint pain and are experiencing other unexplained symptoms.
You should also see a doctor if:
the area around the joint is swollen, red, tender, or warm to the touch
the pain persists for three days or more
you have a fever but no other signs of the flu
Go to the emergency room if any of the following occurs:
You’ve experienced a serious injury.
The joint appears deformed.
Swelling of the joint occurs suddenly.
The joint is completely immobile.
You have severe joint pain.
Causes
Joint pain can be caused by:
bursitis, or inflammation of the cushioning pads around joints
lupus
gout
certain infectious diseases, such as mumps, influenza, and hepatitis
chondromalacia of the patella, or a breakdown of the cartilage in the kneecap