In people with bleeding disorders, however, the clotting factors or platelets donât work the way they should or are in short supply. When the blood doesnât clot, excessive or prolonged bleeding can occur. It can also lead to spontaneous or sudden bleeding in your muscles, joints, or other parts of your body.
Your kidneys are located relatively high in your body, under your lower ribs. It's not unusual to attribute back pain or side (flank) pain to your kidneys. But more often than not, your kidneys probably aren't the cause of your back or flank pain.
Normal kidneys and kidney function. 1  The kidneys are a pair of bean-shaped organs that lie on either side of the spine in the lower middle of the back.  Each kidney weighs about 5 ounces and contains approximately one million filtering units called nephrons.