Open App
Newborn Care··Updated: March 4, 2026

Baby biting while teething: breastfeeding tips and help

Discover why babies bite during teething, how to prevent biting while breastfeeding, and when to seek medical advice for your baby's comfort and safety.

Practical steps🕒 5–8 min readEasy to follow
teethingbreastfeedingbaby bitingnipple pain
Contentsjump

Baby Biting During Breastfeeding While Teething – Causes, Prevention, and Support

Teething is a stage when many parents notice their baby biting the breast during breastfeeding. While this behavior can be startling, it's usually a normal part of development. The main reason for biting is the discomfort and pressure in the gums caused by teething, which babies instinctively try to relieve.

It's important to remember that biting is not your fault, and it doesn't mean you need to stop breastfeeding. Most babies outgrow this phase with gentle, consistent responses.

Why Do Babies Bite the Breast When Teething? 🦷

During teething, a baby's gums become sensitive, swollen, itchy, or sore. The nipple in their mouth during nursing can provide pressure that eases these sensations, which is why sudden biting may occur.

Biting can also be a sign of curiosity, playfulness, or a way to get your attention. Babies explore the world with their mouths, so biting is a common behavior at this age.

How Does Teething Lead to Biting?

As baby teeth push through the gums, inflammation, swelling, and pain are common. Babies instinctively seek relief, and biting is one way to soothe their gums.

The nipple is easily accessible during breastfeeding, so biting can happen reflexively. It's not meant to hurt you—it's simply a natural part of teething.

What Might You Notice?

  • Your baby may suddenly bite the breast during nursing, then let go.
  • Sometimes, they might giggle or look surprised after biting.
  • Some babies only bite when their first teeth come in; others may do it more often.
  • Bites can be mild or more forceful, and sometimes painful.

What Can You Do If Your Baby Bites? 🤱

1. Watch for Signs

You can often prevent biting by noticing when your baby gets distracted or bored. If they're no longer actively nursing, gently remove them from the breast.

2. Offer a Teething Toy

Give your baby a chilled teething toy before or after breastfeeding to help soothe their gums.

3. Change Breastfeeding Positions

Try different nursing positions so your baby's mouth closes differently on the nipple, which may reduce biting.

4. Respond Calmly and Firmly

If your baby bites, briefly pause the feeding and say a simple, calm "no." Avoid yelling or startling them, but make it clear that biting isn't okay.

5. Check Your Nipples

If you notice injury, bleeding, or sores, take a break and use a healing ointment if needed.

Possible Risks and Complications

Biting rarely causes serious problems, but it can lead to:

  • Nipple injury or sores
  • Pain or swelling
  • Occasionally, infection if a wound doesn't heal

If you experience bleeding, slow healing, or signs of infection, reach out to your healthcare provider.

When Should You See a Doctor? 🩺

Contact your doctor if:

  • Your nipple is bleeding, sore, or not healing
  • You have severe pain, swelling, or redness
  • You notice signs of infection (pus, fever, feeling unwell)
  • Your baby is unusually irritable, refuses to eat, or won't nurse

A doctor can help with treatment and offer advice on continuing breastfeeding.

How Can You Prevent Biting?

  • Watch your baby's nursing rhythm and remove them from the breast when they're no longer actively feeding.
  • Offer a teething toy or chilled spoon during teething.
  • Keep nipples clean and use healing ointment if needed.
  • Try different breastfeeding positions.

Emotional Support for Parents 💚

Teething and biting require patience. You're not alone—most parents face this challenge. Your baby isn't trying to hurt you; they're just seeking relief from gum discomfort.

If you're unsure or worried about breastfeeding, reach out to a lactation consultant, nurse, or pediatrician. Our app offers more tips and guides to help you feel confident during this stage.

Teething and biting are temporary, and most babies quickly outgrow this habit. With patience, attention, and care, you'll get through it. For more practical advice, check out our app for additional helpful information.

Frequently Asked Questions

Why does my baby bite during breastfeeding when teething?+

Teething causes gum discomfort, pain, and curiosity, which often leads babies to bite while nursing.

What can I do if my baby bites?+

Try to soothe your baby, offer a teething toy, and pay attention to breastfeeding positions. If biting happens repeatedly, briefly pause the feeding.

When should I see a doctor about nipple biting?+

If you notice bleeding, sores, severe pain, or signs of infection, it's best to seek medical advice.

Sources

Share
🎁

For more tips and guidance, download our free app!

In the Momminess app, you receive personalized, week-by-week guidance for your pregnancy, including expert-verified tips, examination reminders, and practical advice.

Free Under 1 minute

💡 Tip: most people find what they need right after clicking the button.

Related Articles