Mouth Breathing

Mouth breathing occurs when a person breathes primarily through the mouth rather than the nose, often due to nasal obstruction or other health issues. While occasional mouth breathing can happen during illness or strenuous exercise, chronic mouth breathing can cause both short-term and long-term health problems.

Causes of Mouth Breathing

• Nasal congestion from allergies, colds, or sinus infections

• Enlarged tonsils or adenoids

• Deviated septum or nasal polyps

• Structural differences in the nasal passage or jaw

• Stress and anxiety

Symptoms and Effects

• Dry mouth, bad breath, and hoarseness

• Snoring and drooling

• Tiredness or irritability upon waking

• Increased risk of tooth decay, gum disease, and frequent colds

• In children, potential for facial and dental development issues

Health Complications

Chronic mouth breathing can result in ongoing oral health problems, changes in facial structure, sleep disorders, and even posture issues. In children, it can affect facial growth and lead to orthodontic problems.

Treatment and Prevention

• Address the underlying cause, such as treating allergies or nasal obstructions

• Medical or surgical interventions, like palatal expanders or turbinate reduction, may be needed for structural issues

• Practice nose and breathing exercises to retrain breathing habits

• Good oral hygiene to reduce risk of dental problems

• Consult an Oral Surgeon for persistent or severe cases

  Mouth breathing can have several effects on ocular health, including changes in eye appearance and function. Chronic mouth breathing often leads to poor oral posture, affecting the maxilla and nasal structures, which can contribute to narrowing of the nasal cavity and subsequent changes in venous blood flow in the area around the eyes. This venous pooling may cause dark circles under the eyes. Mouth breathing is also associated with drooping eyes and other facial structural changes. Additionally, mouth breathing can be linked to dry eyes due to reduced eye lubrication, which can cause ocular irritation.

  Moreover, mouth breathing affects more than just ocular appearance; it can influence brain function and cognitive performance, which indirectly ties into overall sensory and neurological health related to vision.

Nose Breathing Benefits

Breathing through the nose helps to filter, humidify, and regulate the temperature of incoming air, and supports nitric oxide production for improved oxygen uptake and immune function. Mouth breathing bypasses these benefits and may increase exposure to toxins and dryness.

Mouth breathing should be investigated, especially if it persists, as addressing it early can prevent further health complications.

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Author

Paddy Kalish OD, JD and B.Arch Author and Blogger