This information is provided by the American Academy of Pediatrics.  For the complete first aid guide, click here.

Apply pressure with gauze over the bleeding area. If still bleeding, add more gauze and apply more pressure. Wrap an elastic bandage firmly over gauze and apply pressure. If bleeding continues, call your pediatrician or seek emergency care.

Important note: The information contained here should not be used as a substitute for the medical care and advice of your pediatrician. There may be variations in treatment that your pediatrician may recommend based on individual facts and circumstances.

Source First Aid (Copyright © 2011 American Academy of Pediatrics)