Introduction
Children are naturally curious and often insert small objects such as beads, peas, toy parts, erasers, paper, or seeds into their noses. Although many nasal foreign bodies remain lodged in the anterior part of the nasal cavity without causing immediate harm, improper attempts to remove them may push the object deeper, increasing the risk of complications. Knowing the correct first-aid approach can prevent unnecessary injury and reduce the need for invasive procedures.
Anatomy of the Nasal Cavity
The nose is divided into two nasal cavities by the nasal septum. Each nasal cavity contains three curved bony structures known as the superior, middle, and inferior nasal turbinates (conchae), which increase the surface area for warming, humidifying, and filtering inspired air.
Most foreign bodies become lodged beneath or just anterior to the inferior turbinate, as this region is relatively narrow.
Posteriorly, both nasal cavities communicate with the nasopharynx through the choanae (posterior nasal apertures). The nasopharynx continues into the oropharynx and subsequently the laryngopharynx, where the respiratory and digestive tracts diverge.
What Should Parents Avoid?
Parents should never attempt to remove a nasal foreign body using their fingers, cotton buds, hairpins, tweezers, or other sharp objects unless the object is clearly visible and can be grasped easily without pushing it deeper.
Blind attempts frequently push the object farther into the nasal cavity and may convert a relatively simple problem into a more difficult or potentially dangerous one.
The Parent’s (Mother’s) Kiss Technique
The Parent’s Kiss, also known as the Mother’s Kiss, is an evidence-based positive-pressure technique used for selected nasal foreign bodies in young children.
Steps
1. Reassure the child and keep them calm.
2. Close the unaffected nostril with one finger.
3. Place your mouth firmly over the child’s mouth, creating a good seal.
4. Deliver one short, firm puff of air into the child’s mouth, similar to giving a rescue breath.
5. The positive pressure travels through the pharynx into the nasal cavity and may expel the foreign body through the affected nostril.
6. If unsuccessful after a few gentle attempts, discontinue the procedure and seek medical attention.
Physiological Mechanism
During the maneuver, positive pressure generated within the oral cavity passes into the nasopharynx. Since one nostril is occluded externally, pressure preferentially builds behind the foreign body within the affected nasal cavity. This pressure acts on the posterior surface of the object, dislodging it anteriorly through the nostril.
The technique works by utilizing the normal anatomical communication between the nasopharynx and the nasal cavity without introducing instruments into the nose.
Can the Object Move Deeper?
Yes. The inferior turbinate is not a complete anatomical barrier. If pushed backward, the foreign body may pass behind the turbinates into the posterior nasal cavity and then through the choana into the nasopharynx.
From there, two outcomes are possible.
Digestive Pathway
Nasopharynx → Oropharynx → Laryngopharynx → Esophagus → Stomach
Most small, smooth, blunt objects that reach the stomach pass naturally through the gastrointestinal tract without complications.
Respiratory Pathway
Nasopharynx → Oropharynx → Laryngopharynx → Larynx → Trachea → Bronchi
If the child suddenly inhales while the object is in the pharynx, aspiration into the airway may occur, resulting in:
* Choking
* Persistent cough
* Wheezing
* Atelectasis
* Pneumonia
* Rarely, life-threatening airway obstruction
When Is It a Medical Emergency?
Immediate emergency medical evaluation is required if:
* The object is a button battery.
* The object is a magnet or multiple magnets.
* The child develops breathing difficulty, choking, or persistent coughing.
* There is significant nasal bleeding.
* The object cannot be removed safely.
* There is persistent unilateral foul-smelling nasal discharge, suggesting a retained foreign body.
Why Are Button Batteries Dangerous?
Button batteries constitute a true medical emergency.
When a button battery comes into contact with the moist nasal mucosa, it generates an electrical current that produces hydroxide ions, resulting in alkaline liquefaction necrosis. Severe tissue injury, septal ulceration, cartilage destruction, and nasal septal perforation may develop within only a few hours.
Therefore, button batteries should never be managed at home using the Parent’s Kiss technique and require immediate removal in an emergency department.
Conclusion
The Parent’s Kiss technique is a simple, evidence-based, non-invasive first-aid method for selected nasal foreign bodies in children. It works by generating positive pressure behind the object, allowing it to be expelled through the nostril without instrumentation.
However, this technique should not be used for button batteries, magnets, or children with respiratory distress. When there is any uncertainty regarding the type of foreign body or the child’s condition, prompt medical evaluation remains the safest and most appropriate course of action.
References
1. Mayo Clinic. Foreign Object in the Nose: First Aid. Updated 2024.
2. American Academy of Family Physicians. Foreign Bodies in the Ear, Nose, and Throat. American Family Physician. 2025.
3. Royal Australian College of General Practitioners (RACGP). Mother’s Kiss: Nasal Foreign Bodies. 2024.