Tongue tie and breastfeeding: latch problems explained
Breastfeeding is one of the most physically demanding things a new mother does — and when it is not working, the impact reaches well beyond nutrition. Pain, frustration, plummeting milk supply, and the guilt of wondering whether you are doing something wrong are all part of what mothers with undiagnosed tongue tie babies experience, often for weeks before anyone identifies what is actually happening.
The latch problems, the clicking sounds, the marathon feeding sessions that end with a baby who still seems hungry — these are not signs of poor technique or insufficient milk. In many cases, they are signs that the baby's tongue cannot move freely enough to do what breastfeeding requires of it.
At Tooth + Tongue – Specialized Dentistry and Anesthesia in Walnut Creek, we evaluate and treat tongue and lip ties in newborns and infants using CO2 laser technique, in close coordination with lactation consultants. We see breastfeeding families at some of their most exhausted and discouraged moments — and we know that getting to a diagnosis and a clear plan quickly matters enormously, both for the baby's nutrition and for the mother's physical and emotional wellbeing.
Why the tongue matters so much for breastfeeding
To understand why a tongue tie disrupts breastfeeding, it helps to understand what the tongue actually does during a feed.
A correctly latched baby draws the nipple and areola deep into the mouth, compresses the breast against the palate with the tongue, and uses a wavelike peristaltic motion of the tongue — rolling from front to back — to express milk. This motion requires the tongue to lift, extend, cup around the nipple, and move freely in multiple directions.
When the frenulum — the band of tissue connecting the underside of the tongue to the floor of the mouth — is too short or too tight, these movements are restricted. The tongue cannot extend far enough to draw the nipple deeply into the mouth. It cannot cup properly. It cannot sustain the coordinated motion that milk transfer requires.
The result is a latch that is shallow, inefficient, and often painful — not because the mother is positioned incorrectly, but because the baby's tongue literally cannot do what the latch requires.
Signs that a tongue tie may be affecting feeding
Some of these signs are things the mother experiences. Others are things she observes in the baby. When several appear together, tongue tie evaluation is worth pursuing promptly rather than waiting to see whether things improve on their own. Not sure whether what you are seeing fits the pattern? Our tongue tie symptom survey can help you identify whether an evaluation makes sense for your baby.
What the mother notices
Nipple pain that persists beyond the first week or two, particularly pain that occurs throughout the feed rather than only at initial latch. Healthy breastfeeding should not be consistently painful after the early establishment period.
Nipple compression, distortion, or blanching after feeds — where the nipple emerges flattened, creased, or white rather than rounded. This indicates the baby is compressing the nipple against itself rather than against the palate, which is a mechanical consequence of shallow latch.
Cracking, blistering, or bleeding of the nipple tissue from repeated trauma.
A sense that the baby is never fully satisfied, or that feeds take 45 minutes or longer and happen very frequently, because milk transfer is inefficient and the baby must feed longer to get adequate volume.
Declining milk supply over time, because milk supply is driven by demand — and a baby who cannot effectively empty the breast signals the body to produce less.
What the mother observes in the baby
A clicking or smacking sound during feeding, which indicates that the baby is losing suction repeatedly because the tongue seal is breaking.
Slipping off the nipple during feeds, requiring frequent repositioning.
Visible tension or effort during feeding — a baby who seems to be working very hard and tiring quickly.
Poor weight gain relative to what would be expected for feeding frequency.
Gas, reflux-like symptoms, or colic, often caused by the excess air swallowed when the latch seal is imperfect.
Frustration at the breast — pulling away, arching, or crying during feeds.
Lip tie and its role in breastfeeding
Lip tie — restriction of the upper lip frenulum — is frequently found alongside tongue tie, and it contributes to latch problems through a different mechanism. For a deep latch, the upper lip needs to flange outward, creating a wide seal around the areola. When the upper lip frenulum is too tight, the lip cannot flange adequately. The seal is narrow and shallow, and the mother often feels the baby's upper lip curled inward against the breast rather than flanged out.
Our article on lip tie in babies covers the signs of lip restriction in more detail. In clinical practice, tongue tie and lip tie frequently coexist — and evaluating for both when one is suspected is important, because addressing only one when both are present often produces incomplete results.
When to seek evaluation — and why earlier is better
The most common mistake breastfeeding families make with tongue tie is waiting. Waiting to see if latch improves. Waiting until the six-week pediatric appointment. Waiting until a second lactation consultant confirms what the first one said.
Every week of painful, inefficient breastfeeding carries costs. Milk supply responds to inadequate demand by declining — and once supply drops significantly, rebuilding it is difficult regardless of what happens with the tongue tie. A mother who reaches week six or eight with damaged nipples, declining supply, and a supplementing baby is in a fundamentally harder position than a mother who had the evaluation at week two.
If you are not sure whether your baby's symptoms fit the pattern for tongue tie, start with our tongue tie symptom survey— it takes a few minutes and gives you a clearer sense of whether a clinical evaluation is the right next step. Tongue tie evaluation at Tooth + Tongue – Specialized Dentistry and Anesthesia in Walnut Creek is available for newborns. We do not have a minimum age for assessment. If you are struggling with breastfeeding and tongue tie has been raised as a possibility — by a lactation consultant, a midwife, a pediatrician, or your own observation — scheduling an evaluation promptly rather than watching and waiting is almost always the right call.
For families who want to understand the longer-term picture, our article on signs of tongue tie in children explains how a restriction that starts as a breastfeeding problem evolves into speech, jaw, and airway concerns as a child grows.
What a frenectomy involves for an infant
The procedure itself is quick. CO2 laser frenectomy in an infant typically takes a matter of minutes. The laser is precise, produces minimal bleeding, and eliminates the need for sutures. Most infants feed within minutes of the procedure completing.
Topical anesthetic is applied before the procedure, and the laser cauterizes as it releases the tissue, which means the experience for the baby is briefer and less uncomfortable than many parents anticipate. Crying during the procedure is normal and not an indication of pain — infants cry in response to being held still, the unfamiliar environment, and the brief procedure regardless of whether they are experiencing significant discomfort.
Post-procedure stretching exercises are given to every family. These exercises — gentle movements performed several times daily — prevent the tissue from reattaching during the healing period. Compliance with the stretching protocol is one of the most important factors in determining whether the release holds or whether reattachment occurs. Our team demonstrates the exercises before the family leaves and is available to answer questions during the healing period.
Working with your lactation consultant
Frenectomy addresses the structural restriction. It does not automatically re-establish a strong latch, because the baby has been compensating for the restriction since birth and may need to learn new movement patterns with the newly freed tongue.
This is why coordination with a lactation consultant after the procedure is so important — ideally with someone who has experience working with post-frenectomy babies. A lactation consultant can help the baby learn to use the tongue differently, support the mother in re-establishing positioning and latch, and monitor milk transfer improvement in the days and weeks following the procedure.
At Tooth + Tongue – Specialized Dentistry and Anesthesia, we work with a network of International Board Certified Lactation Consultants in the Walnut Creek and East Bay area. We are happy to coordinate referrals and share clinical notes to ensure that the lactation support your family receives is aligned with what was addressed during the procedure.
Beyond breastfeeding: what untreated tongue tie does over time
For families who are not breastfeeding, or whose breastfeeding challenges have resolved, it is worth knowing that a tongue tie does not stop being relevant when the infant period ends. An untreated restriction continues to affect jaw development, palate width, speech, airway, and sleep throughout childhood. Our article on what happens to your child's teeth if a tongue tie is never treated covers these long-term consequences in detail — and explains why addressing the restriction during infancy, when healing is fastest and feeding outcomes are most immediate, is always preferable to waiting.
For breastfeeding families in Walnut Creek and across the East Bay who are experiencing latch difficulties and have been told tongue or lip tie may be involved, early evaluation is the clearest next step. The sooner the restriction is assessed and addressed, the better the outcome — for the feeding relationship, for milk supply, and for your baby's long-term oral development.
Written by Dr. Negar Niki Boloorchi, Dental Anesthesiologist and Founder of Tooth + Tongue – Specialized Dentistry and Anesthesia. Dr. Boloorchi completed her anesthesiology residency with a focus on pediatric patients and holds advanced training in airway-focused care and tongue tie treatment through the Breathe Institute.
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1800 San Miguel Dr.
Walnut Creek, CA 94596
