A little knot of bone, called a callus, forms over the fracture as a normal part of the healing process. Occasionally, it can be felt beneath the skin. It requires no treatment and will eventually get smaller and disappear. Action to take Place a cold compress over the nose or other painful area to reduce pain and swelling. Call your pediatrician at once for further instructions.
Possible cause is Broken rib.
Action to take Take your child to the nearest hospital emergency department. Action to take Call your pediatrician without delay for an examination, x-rays, and treatment, if necessary. Possible cause is Shin splints or other stress injury. Action to take Call your pediatrician who will examine the child and prescribe appropriate treatment. Rest may be advisable.