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Baby Biting Nipples: Causes and Tips on Prevention

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Is your little one nipple biting during breastfeeding? Here are our top tips on how to make it stop.

If you’re breastfeeding your baby, you may well be familiar with the nipple bite - that moment when your baby suddenly bites down as they feed, and you feel a sharp pinch!

From teething and feeling unwell to latching and breastfeeding attachment, we’re exploring some of the causes behind nipple biting and offering our advice for how to prevent it. 

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Why is my baby biting my nipple? What causes nipple biting

There’s no getting away from it; those little bites from tiny gums and teeth can be a real pain. So, let’s take a look at what might be causing your little one to nipple bite. 

Milk flow and supply

If your baby isn’t getting enough milk during a breastfeed, this might cause them to become fidgety and frustrated. Nipple biting is just one way they might try to get more milk. 

Try offering your baby more breastfeeds. This will help maintain and increase your milk supply and help your baby go with the flow - and perhaps go easier on your nipples!1

Teething

Most babies cut their first teeth at around 6 months. However, some start a little earlier, some a little later, and some are even born with their first teeth in place2.  

Teething can be uncomfortable for babies, and to ease those sore little gums, they may chew and bite anything they come into contact with - your nipples included. If you’re breastfeeding when teething is in full swing, you might find yourself dealing with nipple biting.

Can I continue to breastfeed when teething starts?

Yes! The World Health Organization recommends breastfeeding your baby exclusively for the first six months after birth, and for up to two years alongside their weaning diet3.  If your baby starts nipple biting when their teeth come through, it may be because the way they latch onto your breast changes. Nipple biting should stop or reduce once they get used to a new latch1

Learn more about spotting the signs of teething and easing the symptoms.

Breastfeeding position and attachment

When it comes to nipple biting (or any nipple pain in general, for that matter), making sure your baby is properly attached to your breast is important.

During breastfeeding, your baby’s tongue should cover their bottom gum so they can’t bite your nipple1.

If nipple bites are something you’re dealing with, try experimenting with different breastfeeding positions to find the one that works for you, your baby, and your nipples!

A cold or a stuffy nose

Even as adults, breathing through your nose can be pretty tricky if you’ve got a cold and you’re feeling bunged up. The same goes for your baby. If they’re not feeling too well, they may struggle to breathe easily when breastfeeding, and may try to latch on a little harder, biting down as they do4.

How to stop your baby biting your nipple during breastfeeding

Try our top tips to help you say goodbye to the nipple bite and hello to a comfortable breastfeeding journey with your baby1.

  • Keep things calm. While it’s tempting to shout out or jump when your baby bites your nipple, try to stay calm and relaxed. It can also help to create a relaxed environment when feeding so that your baby doesn’t get distracted, and you can spot when they’re about to bite.
  • Make eye contact. Looking at your baby and focusing on them as you feed may help prevent them from biting your nipple for attention.
  • Try different breastfeeding positions. Changing things up can help your baby get a better latch and feed more effectively.
  • Pull your baby closer when they bite, encouraging them to stop and let go.
  • Break the suction. Gently use your finger to break the suction if you get a nipple bite.
  • Offer them something else to chew. If your baby has started nipple biting, offering them something to chew before you breastfeed could help, especially if your little one is teething. If they continue to bite, try taking a break from feeding and giving them something to chew on for a few minutes before trying again.

Caring for your nipples during breastfeeding

Sore and cracked nipples are a common problem for breastfeeding mums. However, there are a few things you can try to keep your nipples free from discomfort5:

FAQs on nipple bites during breastfeeding

If my baby is nipple biting, does it mean they’re ready to wean?

Nipple biting isn’t necessarily an indication that your baby is ready to wean or that you should stop breastfeeding. Your baby will be ready to enjoy their first tastes of solid foods from 6 months, and you can continue to breastfeed alongside weaning for as long as you wish.

Spot the signs that your baby is ready for solid foods

How long does it take for a bitten nipple to heal?

There’s no way to know how long a nipple bite will take to heal, depending on how big or deep the bite is. Some will heal in days, while others could take weeks.

If you’re in pain, dab it with some expressed breast milk or a lanolin-based cream to ease the soreness4. If the pain doesn’t let up and you’re struggling to feed, speak to your GP or other healthcare professional.

Can I breastfeed with a cut nipple?

Yes. However, you may need to try resting your nipple and feeding on one side for a while as the cut heals. You may need to express milk from your other breast to prevent your breast from becoming too full1.  

If you’re struggling, always seek medical advice sooner rather than later so that you can continue breastfeeding and keep up your milk supply5.

Can a good latch still hurt?

Nipple pain and soreness are very common, especially in the early days of breastfeeding. Usually, it’s because your baby isn’t latched onto your breast and feeding effectively, and there are many reasons why this might be the case, including5:

  • Tongue-tie
  • Inverted nipples
  • Blocked milk ducts
  • Engorgement

Aside from your baby’s latch and attachment to your breast, other things can cause your nipples to become sore, like7:

  • Thrush
  • Milk blisters or ‘blebs’
  • Mastitis
  • Vasospasm (poor circulation to the nipple)

  1. NCT. Breastfeeding: why babies may bite and how to stop it [online 2022]. Available at https://www.nct.org.uk/information/baby-toddler/feeding-your-baby-or-toddler/breastfeeding-why-babies-may-bite-and-how-stop-it. [Accessed May 2025]
  2. NHS. Baby teething symptoms [online 2022]. Available at https://www.nhs.uk/baby/babys-development/teething/baby-teething-symptoms/ [Accessed May 2025]
  3. World Health Organization. Breastfeeding [online 2024]. Available at https://www.who.int/news-room/questions-and-answers/item/breastfeeding [Accessed May 2025]
  4. La Leche League GB. Help! My baby bit me! [online] Available at https://laleche.org.uk/help-baby-bit/ [Accessed May 2025]
  5. NHS Best Start in  Life. Sore nipples [online]. Available at https://www.nhs.uk/best-start-in-life/baby/feeding-your-baby/breastfeeding/breastfeeding-challenges/sore-nipples/. [Accessed May 2025]
  6. la leche league international. Breastfeeding [online]. Available at https://llli.org/breastfeeding-info/breastfeeding-sore-nipples/. [Accessed February 2026]
  7. HSE. Breastfeeding - sore nipple [online 2025]. Available at https://www2.hse.ie/babies-children/breastfeeding/common-challenges/sore-nipples/. [Accessed May 2025]

Last reviewed: February 2026
Reviewed by Nutricia’s Medical and Scientific Affairs Team

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