How To Get Kids To Stop Biting Nails

Nail Biting

Reviewed on February 18, 2019

Here's how to discourage a habit that may be tough-as-nails to break.

Your child is constantly munching on his nails; it's become so ingrained he doesn't even seem to be aware he's doing it.

Why it happens:

Toddlers (like plenty of adults) usually bite their nails when they're stressed or bored. But the more you nag, scold or pull his fingers from his mouth, the more likely he'll persist in chomping away.

What to do about it:

Left alone, your child may gradually outgrow this habit, especially as he finds other ways to relieve stress (and begins to care about what other people think of him). Until then, take these steps to subtly steer your nibbler away from his passion.

Reduce anxiety. Counter stressful events in your toddler's life (a new sibling, a parent going back to work, starting day care) with extra attention and affection. Help him find other ways to blow off steam. Physical activity (playing ball, dancing to fast music) works as do quiet activities, like drawing or listening to a story.
Create a code. Make it secret, so just the two of you will know it; then, use it to gently remind him to stop biting without nagging or embarrassing him. Discreet options include a light touch on the arm, a pinkie wave or a special word.
Offer a substitute. Keep his hands busy with a sugar-free lollipop or frozen ice pop.
Keep his hands otherwise occupied. When he starts grazing on that pinkie finger, distract him with a hands-on activity, like playing with clay or working on a puzzle.
Keep nails short. Shorter fingernails are boring for nail-biters.
Reward his efforts. A sticker for each unchewed nail or a bigger prize for going a week without nibbling can be very motivating. For little girls, the promise of a manicure may work.

From the What to Expect editorial team and Heidi Murkoff, author ofWhat to Expect When You're Expecting. What to Expect follows strict reporting guidelines and uses only credible sources, such as peer-reviewed studies, academic research institutions and highly respected health organizations. Learn how we keep our content accurate and up-to-date by reading our medical review and editorial policy.

What to Expect The Second Year, Heidi Murkoff and Sharon Mazel.

WhatToExpect.com, Toddler Makeup and Manicures for Kids, February 2019.

American Academy of Pediatrics, Common Childhood Habits, November 2015.

American Academy of Pediatrics, Nails, Nails, Everywhere!, November 2009.

KidsHealth.org, Trimming Your Baby's Nails, May 2017.

American Academy of Dermatology, Tips for Healthy Nails.

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