Does my baby need a tongue-tie release?

A visible lingual frenulum, the band of tissue beneath the tongue, can prompt understandable questions when feeding is painful, prolonged or worrying. Yet the question, when should a tongue-tie release be considered?, cannot be answered by appearance alone. In UK infant care, the procedure is more accurately called a frenulotomy. The most helpful decision is based on how the baby feeds, how the feeding parent is coping, what skilled support has already been offered and what matters to the family.

Anatomy provides information. Function provides context. Some babies with a restricted lingual frenulum feed comfortably and effectively, while others experience genuine feeding difficulty. Equally, feeding challenges are common and can have more than one cause. A careful, compassionate assessment helps avoid both missed support and unnecessary intervention.

When should frenulotomy be considered?

Frenulotomy may be considered when an infant has a restrictive lingual frenulum and there is a clear, ongoing functional feeding difficulty that has not improved sufficiently with skilled feeding support. This is not a decision that should rest on a photograph, an oral examination in isolation or a checklist score alone.

For a breastfeeding or chestfeeding dyad, relevant concerns may include persistent nipple pain or damage, difficulty achieving or maintaining an effective latch, concerns about milk transfer, unsettled feeding behaviour or feeds that remain difficult despite appropriate support. A baby’s growth pattern, hydration, output, feeding history and the parent’s experience all need to be understood together.

For bottle-fed babies, assessment should similarly begin with function rather than assumptions. Families may describe difficulty maintaining a seal, milk loss, coughing, frequent pauses, fatigue during feeds or distress. These signs are not specific to tongue-tie. Flow rate, teat shape, feeding pace, positioning, health factors and a baby’s wider oral-motor development may also be relevant.

A frenulotomy is therefore a possible component of care, rather than a default response to a frenulum. The Academy of Breastfeeding Medicine (2021) advises that the presence of a sublingual frenulum alone is not an indication for intervention, and that decisions should be made following a skilled breastfeeding assessment.

What feeding symptoms might suggest a problem?

If you are wondering whether your baby’s tongue-tie may be affecting feeding, it can be helpful to look at what is actually happening during a feed rather than focusing on how the frenulum looks.

Breastfeeding or chestfeeding

Parents may notice:

• persistent nipple pain or damage

• difficulty achieving or maintaining a deep, comfortable latch

• frequent slipping on and off the breast

• clicking or loss of suction during feeds

• milk leaking from the sides of the mouth

• very long or very frequent feeds

• a baby who appears unsettled or frustrated during feeds

• difficulty managing the flow of milk

• coughing, spluttering or difficulty coordinating sucking, swallowing and breathing

• concerns about milk transfer

• breasts that remain very full after feeds

• a baby who seems to tire before completing a feed

• concerns about weight gain or feeding efficiency.

For the breastfeeding parent, ongoing pain, nipple compression or damage can be particularly important clues that feeding mechanics need closer assessment.

However, none of these symptoms proves that a baby has a tongue-tie. Feeding is complex, and similar symptoms can occur for many different reasons.

Bottle feeding

Bottle-fed babies can experience difficulties that may prompt an assessment of oral function. These can include:

• difficulty maintaining a seal around the teat

• milk leaking from the mouth

• clicking or loss of suction

• coughing, spluttering or choking during feeds

• difficulty controlling the flow of milk

• frequent pauses or stopping and starting

• taking a very long time to finish a bottle

• becoming fatigued during feeds

• distress or frustration while feeding

• difficulty coordinating sucking, swallowing and breathing

• crushing or chewing the teat

• repeatedly pushing the teat out with the tongue

• difficulty maintaining a consistent sucking rhythm.

Again, these symptoms are not specific to tongue-tie. Teat shape and flow rate, bottle positioning, feeding pace, oral-motor development, coordination, prematurity, illness and other factors can all affect how a baby feeds.

Other feeding behaviours to notice

Parents may also notice clicking or noisy feeds, frequent short or “snack” feeds, feeding frustration, gagging or retching, frequent spit-up, trapped wind, or a baby who seems to work very hard or become tired while feeding.

These signs can be useful information to share with a feeding specialist, particularly when several occur together or feeding remains difficult despite appropriate support.

They should not, however, be interpreted as a list of symptoms that automatically means a tongue-tie is present.

What else could be causing the feeding difficulties?

Feeding symptoms can have many different causes, and sometimes there may be more than one factor involved. A baby who is struggling to feed does not necessarily have a tongue-tie, even if a frenulum is visible.

For example, breastfeeding difficulties may be influenced by positioning and attachment, milk supply or flow, breast fullness, nipple pain or damage, oral thrush, infant body tension, prematurity, illness or other medical factors. With bottle feeding, teat shape and flow rate, bottle positioning, feeding pace, oral-motor development and coordination of sucking, swallowing and breathing may all have an impact.

This is why it is important to ask “what else could be influencing these symptoms?” rather than assuming that every feeding difficulty is caused by a tongue-tie.

My tongue-tie symptom checker can help parents identify and record feeding signs that may be worth discussing with an infant feeding specialist. It can be particularly useful for helping you describe what you are seeing during feeds and how feeding is affecting you and your baby.

The symptom checker cannot diagnose tongue-tie. The symptoms listed can occur for many different reasons, and having several of them does not mean that your baby has a restrictive tongue-tie. (https://www.tongue-tie.info/tongue-tie-symptom-checker)

Why specialist feeding assessment matters

If you are concerned about your baby's feeding, specialist infant feeding support is an important first step. For breastfeeding or chestfeeding, an International Board Certified Lactation Consultant (IBCLC) is the gold-standard specialist qualification for lactation support and can assess the feeding process in detail.

A thorough assessment should look at the whole feeding dyad, rather than simply examining the baby's mouth. This includes observing a feed, listening to the parent's experience, considering the baby's feeding history and growth, and assessing how the tongue moves and functions during feeding.

Functional assessment of tongue motility is particularly important. The question is not simply whether a frenulum is present, or whether it looks tight, but whether the tongue can move effectively enough for the baby to feed efficiently and comfortably.

Most practitioners who assess tongue-tie will use a structured assessment tool to help them with this process. These tools can be useful because they provide a consistent framework for looking at the frenulum and aspects of tongue function.

However, an assessment tool is a tool — it is not a diagnosis.

A score should never be used on its own to decide that a baby has a tongue-tie or needs a frenulotomy. The baby needs to be assessed by a suitably trained clinician who can interpret the assessment tool alongside functional tongue movement, feeding observations, the baby's symptoms, the parent's experience and any other factors that may be influencing feeding.

A photograph cannot diagnose a restrictive tongue-tie. Neither can a checklist score, an online symptom checker or an opinion based on the appearance of the frenulum alone.

The aim of a good assessment is to understand the whole picture:

• What symptoms are happening now?

• What else could be influencing them?

• How is the baby's tongue functioning?

• And is there evidence that a restrictive frenulum is contributing to the feeding difficulty?

Only once those questions have been considered can frenulotomy be appropriately discussed.

Most importantly, assessment should focus on the baby's current function and current symptoms, rather than what a frenulum might theoretically cause in the future. Frenulotomy should not be undertaken simply because a frenulum is visible, looks unusual or receives a particular score. The decision should be based on a clear functional problem and a considered assessment of whether releasing the frenulum is likely to provide meaningful benefit.

What does a function-focused assessment involve?

A good assessment takes time. It begins by listening: what is happening in real feeds, when did the difficulty begin, what support has been tried, and what impact is this having on the family? Observing a feed, where appropriate, can provide information that cannot be gained from looking in a baby’s mouth alone.

The clinician will consider tongue movement and oral anatomy alongside feeding mechanics, comfort, milk transfer where relevant and the baby’s overall wellbeing. They may also consider factors outside the mouth. Breast or chest fullness, engorgement, nipple anatomy, positioning, attachment, supply concerns, infant prematurity, reflux-like symptoms, illness, neurological differences or birth-related tension can each affect feeding. Sometimes several small factors are interacting.

For professionals, this is where clinical reasoning matters. Assessment tools can help structure observation and communication, but they do not independently diagnose a feeding problem or determine that a procedure is required. A score should support, not replace, a comprehensive history and functional assessment.

Conservative support may be the right first step

Many families benefit from individualised feeding support before deciding whether a frenulotomy is appropriate. This might include adjustments to positioning and attachment, responsive feeding guidance, help protecting milk production when transfer is a concern, or practical bottle-feeding support. The aim is not to delay necessary care, but to establish whether difficulties improve when modifiable factors are addressed.

Conservative management is also a valid choice when feeding is comfortable, the baby is thriving and the family does not wish to pursue a procedure. Choosing observation and support is not ‘doing nothing’. It is an active plan that should include clear advice about what to monitor and when to seek further help.

What does the evidence say?

The evidence base supports a measured discussion. A Cochrane review of randomised trials found that frenulotomy reduced maternal nipple pain in the short term. However, the trials were small, and evidence for consistent improvement in infant breastfeeding effectiveness or longer-term breastfeeding outcomes was limited (O’Shea et al., 2017).

More recent guidance reaches a similar conclusion. The American Academy of Pediatrics (2024) notes that evidence suggests a short-term reduction in nipple pain for some breastfeeding parents, while evidence for longer-term breastfeeding outcomes remains limited. The FROSTTIE trial in the UK was affected by recruitment challenges and substantial crossover between groups, meaning it could not provide a definitive answer about breastfeeding continuation at three months (Knight et al., 2023).

This does not mean that families who report meaningful improvement after frenulotomy are mistaken. It means outcomes vary, research has limitations and clinicians should communicate uncertainty honestly. A procedure may help some dyads where restriction is contributing to feeding difficulty; it cannot be expected to resolve every feeding concern.

Evidence relating to outcomes beyond infant feeding, including future speech, sleep, dental development or posture, is insufficient to justify an infant frenulotomy in the absence of current functional feeding concerns. Families deserve reassurance that there is rarely a need to make a rushed decision based on predictions about the future.

Shared decision-making: benefits, limits and risks

When a frenulotomy is being considered, families should have space to discuss the likely benefits, the uncertainties and the alternatives. They should understand what support will be available before and after any intervention, and how feeding will be reviewed afterwards. Continuity matters, because a procedure addresses tissue restriction but does not automatically resolve learned feeding patterns, supply concerns or the emotional toll of difficult feeds.

Frenulotomy is generally regarded as a minor procedure when undertaken by an appropriately trained and experienced practitioner in a suitable clinical setting. Nevertheless, it is not risk-free. Possible complications include bleeding, pain, infection, oral aversion, feeding disruption and the need for further assessment or care. Serious complications are uncommon but have been reported, particularly where care is delayed or undertaken outside appropriate clinical pathways (NICE, 2005; Academy of Breastfeeding Medicine, 2021).

Families should not feel pressured either towards or away from intervention. A parent who has reached a point of significant pain, exhaustion or distress needs timely, respectful care. Equally, a family whose baby is feeding well should not be made anxious by the appearance of normal anatomical variation.

When referral for specialist assessment is helpful

Specialist infant feeding and tongue-tie assessment can be valuable where feeding remains difficult despite initial support, where there is uncertainty about whether tongue function is contributing, or where parents need an informed discussion of their options. Urgent medical assessment is needed if a baby is showing signs of dehydration, poor weight gain, lethargy, persistent vomiting, breathing difficulty or illness.

For families considering a frenulotomy, it is reasonable to ask who will assess feeding, how other causes of difficulty will be considered, what evidence informs the recommendation, and what follow-up is available. At D-Restricted Ltd®, assessment and aftercare are structured around the individual baby, the feeding relationship and the family’s goals, rather than anatomy alone.

A decision about frenulotomy should leave a family feeling heard, informed and supported. Whether the next step is skilled feeding help, careful observation, further medical review or a procedure, the right pathway is the one that responds to the baby in front of you and the realities of that family’s feeding journey.

References

Academy of Breastfeeding Medicine (2021) ‘Academy of Breastfeeding Medicine position statement on ankyloglossia in breastfeeding dyads’, Breastfeeding Medicine, 16(4), pp. 278-281.

American Academy of Pediatrics (2024) ‘Identification and management of ankyloglossia and its effect on breastfeeding in infants: clinical report’, Pediatrics, 153(2), e2024067605.

Knight, M., Ramakrishnan, R., Harper, P. et al. (2023) ‘Frenotomy with breastfeeding support versus breastfeeding support alone for infants with tongue-tie and breastfeeding difficulties: the FROSTTIE RCT’, Health Technology Assessment, 27(11), pp. 1-68.

National Institute for Health and Care Excellence (2005) Division of ankyloglossia (tongue-tie) for breastfeeding. Interventional Procedures Guidance 149. London: NICE.

O’Shea, J.E., Foster, J.P., O’Donnell, C.P.F., Breathnach, D., Jacobs, S.E., Todd, D.A. and Davis, P.G. (2017) ‘Frenotomy for tongue-tie in newborn infants’, Cochrane Database of Systematic Reviews, 3, CD011065.