Oligoarthritis
Oligoarthritis is the most common type of juvenile idiopathic arthritis (JIA). Two-thirds of young people with arthritis have it. Learn about the symptoms.
Conditions
Osteoarthritis (OA)
Osteoarthritis (OA) is the most common form of arthritis. It can cause joint pain and stiffness. Learn about the causes, symptoms and treatments.
Osteoarthritis (OA) of the elbow and shoulder
The shoulders and elbows are some of the joints most commonly affected by osteoarthritis. Learn about the causes, symptoms and treatment.
Osteoarthritis (OA) of the foot and ankle
The foot and ankle are some of the joints most commonly affected by osteoarthritis. Learn more about the causes, treatments and symptoms.
Osteoarthritis (OA) of the hand and wrist
The hands and wrists are commonly affected by osteoarthritis. Learn more about what causes it, the symptoms and how it's treated.
Osteoarthritis (OA) of the hip
The hip is one of the joints most commonly affected by osteoarthritis. Learn about the causes, symptoms and treatment.
Osteoarthritis (OA) of the knee
The knee is one of the joints most commonly affected by osteoarthritis. Learn about the causes, symptoms and treatment.
Osteoarthritis (OA) of the spine
The spine is one of the joints most commonly affected by osteoarthritis. Learn about the causes, symptoms and treatment.
Osteomalacia
Osteomalacia can cause bone pain and muscle weakness. It's often caused by lack of vitamin D. Learn about the causes, symptoms and treatments.
Osteoporosis
Osteoporosis is a condition that causes the bones to become fragile, so that they break more easily. Learn about the causes, symptoms and treatment.