Know Minor bleeds Minor bleeds are caused by everyday injuries that happen to babies or young children as they explore their surroundings. These bleeds almost never require factor. Mouth bleeds Falling, chewing on toys, and teething can cause mouth bleeds. Blood mixed with saliva may make the bleeding appear worse than it is, so don't be alarmed if you see blood on your baby's crib sheets or on his clothes.
Some mouth bleeds stop quickly, but many continue to ooze.
If a mouth bleed continues for over two hours, call your doctor or Hemophilia Treatment Center . For dental care in babies, see the next section. A new tooth breaking through the gum can cause a mouth bleed. A blood blister may appear over an emerging tooth. Due to the moistness in the mouth, blood clots cannot form as easily and may fall out before a cut is healed.