Mouth Taping: Is It Safe for Your Child?

Mouth taping has been gaining traction in the health and wellness space, with claims that it can "fix" mouth breathing and lead to better sleep. Sounds pretty great, right? But before you grab that tape, let’s pause for a moment and talk about the risks - especially when it comes to our kids.

Why Mouth Breathing Happens: It’s Not Just a Habit

Nasal breathing is amazing for overall health, it's something I educate about often at The Face Place. But, the reality is that not everyone can comfortably breathe through their nose, and forcing it could lead to more harm than good. Contrary to what you might hear on social media, mouth breathing isn’t just a lazy habit or something that can be “cured” by taping the mouth shut.

The Dangers of Mouth Taping in Kids

If the nose is obstructed, taping the mouth can restrict airflow completely, potentially putting your child in danger, especially while they’re asleep. That’s why it’s so important to avoid taping your child’s mouth unless they’ve had a thorough airway assessment first. You would need to rule out any obstructions or underlying issues preventing nasal breathing.

What Mouth Taping Doesn’t Solve

Mouth taping is not a quick fix for complicated issues. It won’t address:

• Tethered oral tissues (like tongue ties): When the tongue can't rest in the correct position in the palate, nasal breathing can become harder. A tongue-tie isn't just a feeding issue, it can affect oral posture, airway space, and breathing patterns well into adulthood.

• Enlarged tonsils and adenoids: These are among the most common reasons children breathe through their mouths, especially at night. Enlarged tonsils and adenoids physically narrow the upper airway, making nasal breathing effortful or impossible. Taping won't shrink them.

• Reflux: Gastric reflux can irritate and inflame the upper airway and nasal passages, contributing to congestion and mouth breathing, particularly during sleep. It's a common underlying factor that often goes unrecognised.

• Allergies: Chronic nasal congestion — whether from environmental allergens, food sensitivities — keeps the nose partially or fully blocked. Until that's addressed, nasal breathing simply isn't accessible.

• Crowded teeth and high palate: A narrow, high-arched palate leaves means less space in the nasal cavity above it. This is often a consequence of prolonged mouth breathing — but it can also perpetuate it. The relationship between palate shape and nasal airway space is something worth assessing properly.

• Sleep disorders: Mouth breathing during sleep can be a sign of something more significant, including obstructive sleep apnea.

Research Shows Mouth Taping Isn’t a Cure-All

A 2023 study found that people with Obstructive Sleep Apnea (OSA) who tried mouth taping continued to “mouth puff” during sleep - a sign that apnea events were still happening. Read it here.

So What Should You Do Instead?

Start by understanding why your child is breathing through their mouth. That means looking at the full picture — airway, structure, function, habits, and health history — not just the symptom you can see.

Nasal breathing is important for your child's development, sleep quality, facial growth, and immune function. But the path to it isn't tape. It's understanding what's in the way.

If you want to understand more about nasal breathing and why it matters for your child, my free guide Nasal Breathing For Kids is a good starting point. It covers what nasal breathing actually does, what gets in the way, and what to look for in your own child.

About The Face Place
The Face Place supports families with early intervention care for children’s oral function and dental health. Led by Oral Health Therapist Melanie Van Schelven, our approach blends clinical insight with family-centered education, helping parents understand why something’s happening and what to do next.

Visit thefaceplaceofm.com.au for more free guides and evidence-based support.