Hammer toes Hammer toes (or claw, mallet, retracted toes) permanently bends your toes and is often linked to poorly fitting shoes. Learn the causes, symptoms and treatment. Hand and wrist pain Hand and wrist pain is very common and usually doesn’t have a serious cause. Learn about treatments, exercises and other ways to manage hand and wrist pain. Henoch–Schönlein purpura Henoch-Schönlein purpura is a type of vasculitis (inflammation in blood vessels) causing skin rash and joint pain. Learn the causes, symptoms and treatments. Hip pain Hip pain is very common and not usually a sign of arthritis or medical condition. Learn about the causes, exercises and treatments and how the hip joint works.