What Causes Drooling While Sleeping?

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Definition

Drooling is saliva flowing outside the mouth.


Alternative Names

Salivation


Considerations

Drooling is generally caused by:

  • Problems keeping saliva in the mouth
  • Problems with swallowing
  • Too much saliva production

Some people with drooling problems are at increased risk of breathing saliva, food, or fluids into the lungs. This may cause harm if there is a problem with the body's normal reflexes (such as gagging and coughing).

Drooling caused by nervous system (neurologic) problems can often be...

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