Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Thumb or Finger Sucking

  • Is thumb-sucking normal? Thumb-sucking is normal in babies and young children. Most babies and toddlers suck their thumbs. They may also suck on their fingers, hands, or items such as pacifiers. Little by little, most children stop on their own at age 3 to 6 years. Why do babies suck their thumbs? Babies have a...

  • Many parents of a thumb-sucking infant question whether they should substitute a pacifier for the thumb. So far, research does not show that one is preferable over the other. Also, although parents can encourage a child to suck a pacifier rather than a thumb, they can't control which the child will prefer. The...

  • Many infants and young children calm themselves by sucking their thumbs. While most children will stop on their own between ages 3 and 6, some continue past the age of 4 or 5. Prolonged thumb-sucking can lead to serious dental and speech problems. By using lots of love, encouragement, and a few simple steps, you can...

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