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Ask Dr. Nandi: Why you should never kiss babies on the lips

Posted at 5:13 PM, Mar 19, 2018
and last updated 2018-03-19 17:13:29-04

You may see it as a sign of affection but research suggests you should not kiss a baby on the lips. 

Kissing seems so harmless but research suggests that you could spread oral bacteria called mutans streptococci through saliva if you have active tooth decay. And this could increase your child’s risk for cavities.

The Finnish researchers also warn that you might be able to pass this cavity-causing-bacteria through sharing spoons as well. 

Cold sores are caused by the herpes simplex virus type 1 and is passed through oral contact like kissing. Newborns are typically too young to have developed antibodies to fight this off.  

And herpes viruses can also cause meningitis or encephalitis which is very dangerous as it’s inflammation of the brain.  However, this is very unusual in newborns.

I have several other ways you can lower your child’s exposure to bacteria so my prescriptions: 

  1. Babies love to have their fingers in their mouths, so don’t let them stick their fingers in your mouth or anyone else’s either.  Otherwise you’re increasing the risk of transferring bad bacteria. 
  2. Don’t blow on your child’s food to cool it down. And skip tasting it before feeding your child as well.
  3. Avoid cleaning off a child’s pacifier using your own saliva.  And clean your baby’s gums after they’re done eating with a damp cloth to help keep bacteria from building up.
  4. Brush your child’s teeth as soon as they poke through. And don’t share toothbrushes.

Also, be sure to take care of your own oral health.  Get regular checkups and any cavities taken care of right away so you’re less likely to pass germs along.