Osteoarthritis in the hands is the most common form of the condition. In fact, symptoms occur in nearly all women over the age of 70. It develops when the cartilage in the fingers and hand joints begins to break down, causing pain, inflammation and stiffness in the joints, particularly in the thumb. Aching hands can be severely detrimental to quality of life, costing some jobs or hobbies. Here are nine options to help treat arthritis in your hands.