Sore & Cracked Nipples From Breastfeeding: Causes, Treatment & When to Get Help

Written & Medically Reviewed by Dr. G
Board-Certified Pediatrician · About Dr. G

Quick Answer

Some nipple tenderness can occur when breastfeeding begins, but breastfeeding should not remain sharply or persistently painful once your baby is well latched.

A shallow or ineffective latch is one of the most common causes of sore or cracked nipples. The first step is therefore not simply applying something to the nipple—it is correcting whatever is repeatedly compressing or rubbing the skin.

If your nipple is cracked, bleeding, blistered, badly misshapen after feeds, or the pain continues despite improving the latch, contact your healthcare professional or lactation professional.

Key Takeaways

  • Some early nipple sensitivity can occur, but ongoing significant pain should not simply be endured.
  • A shallow latch is one of the most common causes of sore and cracked nipples.
  • Correcting the cause is more important than treating the nipple alone.
  • Break suction and relatch if breastfeeding remains sharply painful.
  • A poorly fitting pump flange or excessive suction can also injure nipples.
  • Avoid harsh soaps and products that dry or irritate nipple skin.
  • Purified lanolin or hydrogel dressings may provide comfort for some mothers with nipple trauma.
  • Cracking, bleeding, persistent burning, worsening pain, or unusual skin changes deserve evaluation.
  • Fever with increasing breast redness, swelling, warmth, or flu-like symptoms may indicate mastitis.

Sore nipples can turn breastfeeding into something a mother begins to dread.

You see the next feeding approaching and instead of thinking, “It's time to feed my baby,” you are thinking: “I don't know if I can tolerate that pain again.”

That deserves more than reassurance that breastfeeding sometimes hurts.

The important question is: Why is the nipple being injured?

Are Sore Nipples Normal When Breastfeeding?

Some nipple tenderness or sensitivity can occur during the first days of breastfeeding.

However, CDC states that breastfeeding should not remain painful once your baby is well latched.

Pain that persists through the feeding, becomes worse over time, or leads to cracking or bleeding deserves attention.

What Causes Sore or Cracked Nipples From Breastfeeding?

There are several possible causes.

1. A Shallow Breastfeeding Latch

This is one of the most common causes.

When your baby takes mainly the nipple instead of a deeper mouthful of breast tissue, the nipple can be repeatedly compressed and rubbed.

That can cause tenderness, cracking, bleeding, blistering, or a flattened nipple after feeding.

2. Poor Positioning

Even a baby who starts with a reasonable latch can slide toward the nipple when the body is not well supported.

Keep your baby's body close and aligned rather than allowing the head to twist toward the breast.

3. Pulling the Baby Off Without Breaking Suction

Pulling a strongly latched baby directly away can traumatize already sensitive skin.

Instead, insert a clean finger gently into the corner of your baby's mouth to release suction before removing the baby.

4. Moisture, Friction, or Skin Irritation

Wet nursing pads, tight clothing, friction, fragrances, soaps, or skin-care products can irritate damaged nipple skin.

HealthyChildren recommends avoiding soap on sore nipples because it can dry and irritate the skin.

5. Pumping Problems

Breast pumps can also cause nipple trauma.

Excessive suction, a poorly fitting flange, nipple rubbing against the tunnel, or unnecessarily prolonged pumping can cause swelling, soreness, and skin injury.

More suction does not necessarily mean more milk.

6. Other Causes of Nipple Pain

Persistent nipple pain is not always caused by latch.

Other possibilities include skin conditions, vasospasm, infection, pump trauma, breast inflammation, and other maternal or infant factors.

How Can I Tell If a Shallow Latch Is Causing the Pain?

Look at both your baby and your nipple.

Clues include:

  • pinching or sharp pain through the feeding,
  • your baby sucking mainly on the nipple,
  • lips curling inward,
  • cheeks puckering or dimpling,
  • clicking sounds,
  • your baby repeatedly slipping off,
  • little regular swallowing,
  • a flattened, creased, or lipstick-shaped nipple afterward, or
  • cracking or bleeding.

For a complete latch guide, see Breastfeeding Latch: How to Get a Deeper, More Comfortable Latch.

What Should I Do If Breastfeeding Hurts?

Try This at the Next Feeding

  1. Do not continue through a clearly painful latch.
    If pain stays sharp or pinching after the initial sucks, release the suction and start again.
  2. Bring your baby close.
    Keep the head and body aligned.
  3. Position the nose near the nipple.
    This encourages your baby to approach chin-first.
  4. Wait for a very wide-open mouth.
    A small mouth opening tends to produce a shallow latch.
  5. Bring the baby to the breast.
    Do not push the nipple into a partially opened mouth.
  6. Listen for swallowing.
    Comfort and milk transfer should improve together.
  7. Look at the nipple afterward.
    It should not repeatedly emerge sharply pinched, creased, or flattened.

How Do I Help Cracked Nipples Heal?

Healing starts by preventing the same injury from happening at the next feeding.

That means correcting the latch or pump problem first.

For Mild Soreness or Cracking

  • Correct the latch at each feeding.
  • Break suction gently before removing your baby.
  • Wash normally with water rather than repeatedly scrubbing the nipple.
  • Avoid harsh soaps, fragrances, and irritating skin products.
  • Change wet nursing pads regularly.
  • Allow the nipple to dry gently after feeding.
  • Ask your clinician or lactation professional whether purified lanolin or a hydrogel dressing is appropriate for you.

Should I Put Breast Milk on Sore Nipples?

Some mothers place a small amount of expressed breast milk or colostrum on the nipple and allow it to dry.

HealthyChildren includes this as one possible soothing measure.

But topical treatments do not replace fixing the cause of repeated nipple injury.

Should I Use Lanolin for Cracked Nipples?

Purified medical-grade lanolin can be used by some breastfeeding mothers as a protective barrier for cracked or irritated nipples.

Do not use lanolin if you have a known wool or lanolin allergy.

If cracking is severe, worsening, or not healing, have the nipple examined rather than continuing to add products.

What About Hydrogel Pads?

Hydrogel dressings can provide a cooling protective barrier and may be soothing for some mothers with nipple trauma.

Follow the manufacturer's directions and keep the area clean.

Worsening pain, drainage, spreading redness, or poor healing deserves medical review.

Should I Stop Breastfeeding if My Nipples Are Cracked?

Not necessarily.

Many mothers can continue breastfeeding while the nipple heals if the latch has been corrected and feeding remains tolerable.

But you do not need to repeatedly traumatize a severely injured nipple.

If direct breastfeeding is too painful, contact your healthcare or lactation professional about a temporary feeding and milk-expression plan that protects both your baby's nutrition and your milk production.

Should I Start Feeding on the Less Sore Breast?

Sometimes.

Babies may suck more vigorously during the first moments of a feed. Starting on the more comfortable breast may allow milk flow to begin before switching sides.

This should not substitute for correcting the reason one nipple became injured.

What If My Nipple Is Bleeding?

Bleeding usually means the nipple skin has been significantly injured.

The priorities are:

  • stop repeated trauma,
  • correct latch or pump fit,
  • keep the area gently clean, and
  • seek help if the injury is substantial or not improving.

CDC recommends contacting a lactation consultant, doctor, or nurse for cracked or damaged nipple skin.

Why Does My Nipple Burn or Sting After Breastfeeding?

Persistent burning or stinging should not automatically be labeled ordinary nipple soreness.

Possible causes include trauma, dermatitis, vasospasm, inflammation, infection, or other conditions.

The timing of the pain, nipple color changes, skin appearance, nipple shape after feeding, pumping history, and associated breast symptoms can help identify the cause.

What Is Nipple Vasospasm?

With vasospasm, blood vessels in the nipple temporarily constrict.

This can cause burning, shooting, or throbbing pain, sometimes together with white, blue, purple, or red color changes in the nipple.

Cold exposure may worsen symptoms.

Because several conditions can cause burning nipple pain, repeated color changes or significant pain should be evaluated rather than self-diagnosed.

Could Thrush Cause Sore Nipples?

Yeast is sometimes blamed for persistent nipple pain, but burning pain alone does not prove a yeast infection.

Persistent pain deserves examination of the nipple and breast as well as the breastfeeding technique.

If you notice a rash, unusual skin changes, persistent burning pain, or symptoms in your baby's mouth, discuss them with your healthcare professional.

Could Nipple Pain Mean Mastitis?

Mastitis usually causes symptoms involving the breast rather than only superficial nipple soreness.

Possible signs include:

  • a painful area of the breast,
  • redness or warmth,
  • swelling,
  • fever or chills, and
  • feeling increasingly ill.

For the full comparison, see Breast Engorgement vs. Clogged Duct vs. Mastitis: How to Tell the Difference.

Can Pumping Cause Cracked or Painful Nipples?

Yes.

Pumping should not repeatedly injure the nipple.

If pumping hurts:

  • reduce excessive suction,
  • check flange fit,
  • center the nipple in the tunnel,
  • avoid unnecessarily long sessions, and
  • get help if trauma continues.

For more pumping guidance, see Pumping Breast Milk: How Often, How Long & How to Build a Pumping Schedule.

How Can I Prevent Sore Nipples From Coming Back?

Prevent the Cause, Not Just the Pain

  • Start each feeding with careful positioning.
  • Wait for a wide-open mouth.
  • Relatch if the nipple is being pinched.
  • Make sure your baby is swallowing.
  • Break suction before removing your baby.
  • Change wet nursing pads regularly.
  • Avoid harsh nipple cleansers and soaps.
  • Check flange fit and suction if you pump.

When Should I Call My Doctor or Lactation Professional?

Get Help If:

  • Your nipple is cracked, bleeding, blistered, or significantly damaged.
  • Breastfeeding remains painful despite correcting positioning and latch.
  • Pain is getting worse instead of improving.
  • Your nipple repeatedly looks flattened or badly misshapen after feeding.
  • You have persistent burning, shooting, or throbbing nipple pain.
  • You notice unusual skin changes, drainage, or a worsening rash.
  • Your baby repeatedly cannot maintain a latch.
  • You rarely see or hear swallowing.
  • Your baby has inadequate wet diapers or poor weight gain.
  • You develop breast redness, warmth, swelling, fever, or flu-like symptoms.

When Is Breast or Nipple Pain More Urgent?

Seek Prompt Medical Care If:

  • You develop fever with an increasingly red, painful, swollen breast.
  • You have shaking chills or feel significantly ill.
  • Breast redness or swelling is spreading quickly.
  • You develop pus-like drainage or rapidly worsening skin changes.
  • You feel faint, confused, unusually weak, or seriously unwell.

Dr. G's Pearl

The nipple may be where you feel the pain, but the nipple is often not where the problem starts.

If every feed repeatedly pinches or rubs the nipple, another cream is not the real answer.

Watch the latch. Check positioning. Look at your baby's mouth. Break the suction and start again when necessary.

Fix the reason the nipple is being injured—and then give the skin a chance to heal.

Frequently Asked Questions

Why are my nipples sore from breastfeeding?

A shallow or ineffective latch is one of the most common causes. Pump trauma, skin irritation, vasospasm, inflammation, infection, and other conditions can also cause nipple pain.

How do I heal cracked nipples from breastfeeding?

First correct the cause, especially a shallow latch or poorly fitting pump flange. Keep the skin gently clean, avoid irritating products, and ask your healthcare professional about protective options such as purified lanolin or a hydrogel dressing.

Should breastfeeding hurt?

Some early tenderness can occur, but breastfeeding should not remain sharply or persistently painful once your baby is well latched.

Should I keep breastfeeding with cracked nipples?

Many mothers can continue if the latch has been corrected and feeding remains tolerable. Significant trauma or pain deserves professional evaluation.

Can a bad latch cause cracked nipples?

Yes. Repeated friction and compression from a shallow latch can cause soreness, cracking, bleeding, and nipple distortion.

Why does my nipple look like lipstick after breastfeeding?

A flattened, creased, or lipstick-shaped nipple can indicate that the nipple was compressed during a shallow or ineffective latch.

Can pumping cause sore nipples?

Yes. Excessive suction, a poor flange fit, rubbing, or unnecessarily long pumping sessions can cause nipple pain or trauma.

When should nipple pain be checked?

Seek help for significant cracking, bleeding, worsening or persistent pain, unusual skin changes, fever, increasing breast redness or swelling, or pain that continues despite correcting the latch.

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References

Centers for Disease Control and Prevention. What to Expect While Breastfeeding. Updated 2026.

American Academy of Pediatrics / HealthyChildren.org. Treating Breast Pain.

American Academy of Pediatrics / HealthyChildren.org. Ensuring Proper Latch On While Breastfeeding.

American Academy of Pediatrics / HealthyChildren.org. Warning Signs of Breastfeeding Problems.

Academy of Breastfeeding Medicine. Clinical Protocol #26: Persistent Pain with Breastfeeding.

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Medical Disclaimer

This information is for educational purposes and is not a substitute for medical care from your own healthcare professional, your baby's pediatrician, or a qualified lactation professional. Persistent nipple or breast pain, cracked or bleeding skin, fever, breast redness, swelling, drainage, or worsening symptoms may require direct examination and treatment.

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