Why Do My Nipples Hurt While Breastfeeding? Causes and Solutions

Quick answer

Nipple pain while breastfeeding usually comes from a shallow latch, engorgement, or dry skin. Start by improving the latch and applying pure lanolin after feeds. If pain persists beyond the first week or the nipple looks damaged, see a lactation consultant or doctor.

Breastfeeding should not feel like a punishment. Yet many moms experience sore nipples in the early days, and it's easy to wonder if something is wrong. The good news is that most nipple pain is temporary and fixable once you identify the cause.

This guide walks through the common reasons for nipple pain, what you can do at home, and the point where you should stop guessing and get professional help.

Common causes of nipple pain

The most frequent culprit is a shallow latch. When baby doesn't take enough breast tissue into the mouth, the nipple rubs against the palate, causing friction and soreness. This often happens in the first week as both you and baby learn the rhythm.

Other causes include engorgement, which makes the areola firm and harder for baby to latch deeply, and dry or cracked skin from frequent feeding. Less common but important causes are tongue-tie, thrush (a yeast infection), or vasospasm, where blood vessels in the nipple constrict and cause sharp pain after feeding.

• Check the latch: baby's lips should be flanged outward, not tucked in.
• Break the suction gently with a clean finger before removing baby from the breast.
• Vary nursing positions to change the pressure points on the nipple.

Quick relief for sore nipples

After each feed, express a few drops of breastmilk and rub it over the nipple; it has natural antibacterial properties. Let the nipples air-dry before covering them. Applying a pure lanolin nipple cream can also soothe and protect the skin, creating a barrier that helps healing.

If engorgement is part of the problem, try hand-expressing a little milk before latching to soften the areola. You can also use a cold pack after feeds to reduce swelling. Avoid harsh soaps or rubbing the nipples vigorously, as this strips natural oils.

• Wear a well-fitting, breathable nursing bra—avoid tight synthetic fabrics.
• Change nursing pads frequently to keep the area dry.
• If the pain is severe, consider a nipple shield only under professional guidance.

When to see a lactation consultant or doctor

Some nipple pain is normal in the first week, but it should improve as you and baby get the hang of it. If the pain is sharp, lasts the entire feed, or continues beyond the first two weeks, it's time to get help. Also seek advice if you see cracks, bleeding, or signs of infection like redness, warmth, or fever.

A lactation consultant can assess the latch, check for tongue-tie, and suggest positioning tweaks. If thrush is suspected, your doctor may prescribe antifungal treatment for both you and baby. Don't wait—early intervention prevents more serious issues like mastitis.

• Pain that worsens despite latch adjustments is a red flag.
• Fever, flu-like symptoms, or a red wedge on the breast could mean mastitis—contact a doctor immediately.
• Persistent pain after the first two weeks is not something to 'push through.'

Symptom → Cause → Action → Checkpoint

• Symptom: Sore, tender nipples that hurt at the start of a feed but ease after a minute. Likely a shallow latch or engorgement.
• Cause: Baby isn't taking enough breast tissue; the nipple rubs against the hard palate. Engorgement can make the areola too firm to latch deeply. Focus on latch technique and softening the breast before feeding.
• Corrective action: Adjust positioning, break suction gently, and apply pure lanolin cream after feeds. Use a nipple everter if flat nipples are part of the issue. You should see improvement within a few days.
• Checkpoint: If pain is sharp, lasts the whole feed, or continues beyond two weeks, or if you see cracks, bleeding, or signs of infection, stop self-treating. See a lactation consultant or doctor—don't push through severe pain.

Products that can help

• Lanolin Nipple Cream: Lansinoh® Lanolin soothes and protects sore nipples for breastfeeding moms. It is 100% natural and safe for mom and baby, so there’s no need to remove before breastfeeding. Applying a small amount after each feed creates a protective barrier that locks in moisture and helps cracked skin heal, without the hassle of washing it off before nursing.
• LatchAssist® Nipple Everter: The Lansinoh® LatchAssist® Nipple Everter gently draws out flat or inverted nipples, making it easier for baby to latch and feed. It includes two flange sizes (19mm and 24mm) and is BPA and BPS free. If flat or inverted nipples are causing latch trouble, this simple tool can help draw the nipple out just before a feed, improving the latch and reducing friction pain.

Sore nipples are common, but they're also a signal. Address the latch early, protect the skin with pure lanolin, and don't hesitate to seek professional help when the pain doesn't improve. Your breastfeeding journey should be comfortable enough to enjoy—and it can be.