Infant feeding
Breastfeeding Pain: Causes, Latch Checks and When to Get Help
Quick answer: some nipple sensitivity is common in the first few days, but pain at every feed, cracked or bleeding nipples, or pain that is not improving needs early help. Poor positioning and attachment are common causes. A hot painful area with fever or flu-like symptoms can be mastitis; contact your GP or NHS 111 if you feel worse or are not better within 12 to 24 hours.
“Breastfeeding is natural” is not the same as “everybody instantly knows how to do it while recovering from birth on three hours of sleep”. Pain is information, not an endurance test. The fastest useful step is usually an experienced person watching a whole feed.
This guide supports feeding, not guilt. If you want to continue breastfeeding, skilled help can make a big difference. If you need to express, combine feeds or change your plan, you still deserve clear, non-judgemental support for you and your baby.
What discomfort can be normal?
Nipples may feel sensitive in the first few days. A brief pulling sensation as a baby starts to feed can settle once milk is flowing. It should not feel like pinching, biting or toe-curling pain throughout the feed, and damage should not be getting worse day after day.
Ask for help as soon as one or both nipples hurt at every feed, become cracked or bleed, or if you dread the next feed because of pain. Early support is easier than trying to fix attachment after your body has learned to brace at the sight of a muslin.
The first thing to check: position and attachment
A midwife, health visitor or breastfeeding supporter can observe a feed and adjust the details. Useful signs include:
- your baby’s head and body are in one line, held close and well supported;
- their nose begins level with the nipple and they tilt the head slightly back;
- the mouth opens wide before coming to the breast;
- the chin touches the breast and the nose remains clear;
- cheeks stay rounded and you can hear or see swallowing; and
- the nipple looks much the same after the feed, not flattened, wedged, creased or white.
If it hurts beyond the first moments, slide a clean finger gently into the corner of the baby’s mouth to break the seal, then try again. Repeatedly tolerating a shallow latch usually creates more damage, not a tougher nipple.
Different holds can help after a caesarean, with twins, larger breasts or a sleepy baby. Our guide to holding a baby securely covers the supporting basics, but an observed feed is more useful than copying one perfect online pose.
Common causes of breastfeeding pain
Sore, cracked or bleeding nipples
The most common cause is poor attachment. Fixing the latch matters more than buying a cupboard of creams. Change damp breast pads, avoid soap on the nipple, wear a well-fitting non-wired bra and let skin dry after a feed. Do not shorten feeds to “rest” the nipple; that may not ease pain and can reduce milk supply. If direct feeding is too painful, hand expressing or pumping can help maintain supply while you get support.
Engorgement
When milk comes in, breasts can feel hard, tight and painfully full. Feed little and often, check attachment and hand express only enough to soften the breast and help the baby latch. Expressing far more than your baby needs can tell the body to make still more.
Inflammation and mastitis
Mastitis can cause a hot, tender or swollen area, breast redness that may be harder to see on darker skin, aches, tiredness and a high temperature. Continue breastfeeding if you can, rest, use a cold compress between feeds and express only what your baby would usually need if the breast remains too full or feeding is too painful. Brief warmth before a feed may help flow, but a lot of heat can increase inflammation.
Avoid deep, painful massage and trying to “empty” the breast with endless pumping. Contact your GP or NHS 111 if you feel worse at any point or are no better within 12 to 24 hours. Antibiotics may be needed, and most can be prescribed with breastfeeding in mind.
Infection or thrush
Burning or itchy nipple pain, shiny or flaky skin, white patches, or pain that continues after feeds can have several causes. Thrush is one possibility, especially if a baby has creamy mouth patches that do not wipe away, but latch problems can look similar. A GP may examine or swab both of you; if thrush is diagnosed, parent and baby may need treatment at the same time.
Tongue-tie or mouth differences
A tongue-tie can affect attachment for some babies, but seeing a strip of tissue is not a diagnosis that it causes the pain. Feeding assessment comes first. If a tooth is already present and rubbing, read our natal-teeth feeding guide and ask a feeding professional and dentist or paediatric team to check it.
What can I do today?
- Ask your midwife, health visitor or breastfeeding supporter to watch a full feed.
- Write down where the pain is, when it starts and what the nipple looks like afterwards.
- Keep feeding responsively if you can; express enough for your baby’s needs if direct feeding is too painful.
- Use cold between feeds for swelling and rest as much as real life allows.
- Ask a pharmacist whether paracetamol or ibuprofen is suitable for you, considering allergies, stomach, kidney and asthma history and any other medicines.
- Call the National Breastfeeding Helpline on 0300 100 0212; current NHS guidance lists it as available 24 hours a day.
When do I need urgent medical help?
Contact your GP or NHS 111 for worsening mastitis symptoms, no improvement within 12 to 24 hours, persistent breast or nipple pain, pus or unusual discharge, or a lump that is not settling. A painful swollen lump with fever can be a breast abscess and needs assessment.
Call 999 for severe breathing difficulty, blue or grey skin or lips, collapse, confusion, or another life-threatening symptom. After birth, also get urgent maternity advice for heavy bleeding, severe headache, chest pain, shortness of breath or a painful swollen leg; do not assume every symptom is caused by feeding.
When feeding pain is affecting how you feel
Pain, sleep loss and pressure can make every feed feel like a verdict. Tell someone if you are crying frequently, panicky, unable to rest even when the baby sleeps, feeling detached or having frightening thoughts. Our guide to postnatal depression signs and support explains where to turn, and the first-six-weeks recovery guide covers the wider physical picture.
If you might harm yourself or your baby, call 999 or go to A&E now. You will not be wasting anyone’s time.
Quick parent questions
Do I need a nipple shield?
Not as the automatic first step. Shields can affect attachment and milk transfer. Use one only with skilled help and a plan to check that the baby is feeding effectively.
Should I stop breastfeeding with mastitis?
Stopping suddenly can worsen fullness and symptoms. NHS guidance advises continuing if you can, or expressing enough for your baby’s normal needs if feeding is too painful.
Can a good latch still hurt?
Yes, because infection, inflammation, skin conditions and other causes exist. If an observed latch looks effective but pain continues, ask for clinical assessment rather than repeating the same positioning advice forever.
The bottom line
Breastfeeding pain deserves a pair of experienced eyes early. Correct attachment, protect damaged skin, avoid over-pumping and act quickly on fever or flu-like symptoms. Your success is not measured by how much pain you can tolerate.
Sources reviewed
Editorial check: KidsCo Editorial Team, 6 August 2026. This is general UK information, not a feeding assessment or diagnosis.
- NHS sore nipples and breastfeeding (original KidsCo reference retained; the NHS redirects it to current guidance)
- NHS mastitis advice (original KidsCo reference retained)
- Current NHS: sore or cracked nipples
- NHS: positioning and attachment
- NHS: breast pain, engorgement and mastitis
- NHS Best Start in Life: breastfeeding and thrush
- NHS: breastfeeding help and support
