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Foreign Objects in Nose, Ear, and Eye — What You Can Try, and What You Should Not

By Leon MoriguchiPublished May 15, 2026Updated May 18, 20264 min read日本語版あり
Audience
Parents of children aged 1–4 years

TL;DR

  • ·For nasal foreign bodies, the kissing technique (positive-pressure blow through the child's mouth while occluding the other nostril) can work if the object is visible — but cotton swabs and tweezers used blindly can push objects deeper
  • ·For a live insect in the ear canal, immobilize it first with mineral oil or isopropyl alcohol before seeking ENT care; attempting to pull it out unimmobilized risks driving it further in
  • ·Chemical eye splash requires immediate, continuous water irrigation for at least 30 minutes — not a neutralizing agent — because delay directly affects corneal outcome and water is always immediately available

Contents

  1. Lead
  2. Nasal Foreign Bodies
  3. Ear Canal Foreign Bodies
  4. Eye Foreign Bodies and Chemical Injury
  5. Three Practical Framings
  6. Summary
  7. References

Lead

A bead in the nose. A parent reaches for a cotton swab and pushes it further in — this sequence is one of the most common histories in pediatric urgent care. The first response to a foreign body should not be "remove it" but "assess it." The correct approach varies completely depending on the location.

Nasal Foreign Bodies

Nasal foreign bodies are most common around ages 2–4; small toy parts and beads are the typical culprits [1]. A unilateral foul-smelling nasal discharge that persists can sometimes be the first sign that a foreign body was put in and forgotten.

A home technique worth knowing: the "kissing technique"

If the object is visible near the entrance of the nostril, the kissing technique: a first-aid maneuver where the parent seals the child's mouth and blows gently, creating positive nasal pressure to expel a visible foreign body can be attempted once or twice. The parent seals the child's mouth with their own, occludes the unaffected nostril with a finger, and gently blows into the child's mouth. The positive pressure can dislodge the object. A systematic review of eight case reports and case series found a success rate of about 60% (91 of 152), with no adverse effects reported [2]. It should only be tried when the object is visible and appears near the opening.

When not to attempt removal at home — go directly to an ENT specialist:

  • The object is not visible, or appears to be deep
  • A battery or magnet is involved (risk of electrochemical tissue injury; these call for urgent removal even in clinical settings [1])
  • Two attempts at the kissing technique have not worked

What not to do: Cotton swabs, tweezers, or fingers inserted blindly into the nostril can push the object deeper. The instrument that "might grab it" can instead relocate it toward the sinuses or throat.

Ear Canal Foreign Bodies

In young children, the external auditory canal may receive food particles, beads, stones, and — especially distressing — insects. Schulze et al.'s review of 698 cases found that spherical objects and objects touching the eardrum were harder to remove under direct vision, and that failed removal attempts led to more complications [3].

If an insect is the culprit

A living insect will continue moving, which is painful and risks the insect burrowing deeper if you try to extract it without immobilizing it first. Pour a few drops of mineral oil, warmed olive oil, or isopropyl alcohol into the ear canal to immobilize the insect, then go to an ENT specialist. Do not attempt to pull the insect out.

Hard objects (beads, stones, small toy parts)

Do not attempt removal at home. A cotton swab can push the object against the eardrum and cause perforation. ENT evaluation is the right step.

Battery in the ear canal

Electrochemical burns can occur in the ear canal just as in the esophagus. Immediate ENT or emergency evaluation is required.

Eye Foreign Bodies and Chemical Injury

The urgency of eye foreign body management depends entirely on what the substance is.

Dust, grit, an eyelash

Gently hold the eyelid open and rinse with a stream of clean water for several minutes. Do not rub — rubbing can abrade the cornea. If the foreign-body sensation or redness persists after irrigation, an ophthalmology visit is appropriate.

Chemical splash (household cleaner, acid, alkaline liquid)

For chemical eye injury, the first action is not neutralization — it is immediate, prolonged irrigation with water. Trying to neutralize the chemical with an acidic or alkaline solution can cause further damage to the eye and should be avoided [6]. Alkaline substances: base chemicals like bleach or lime with high pH; they penetrate the cornea more deeply than acids, causing more severe eye injury (bleach, lime) penetrate the cornea more deeply than acids and cause more severe injury [6][7]; the interval between exposure and starting irrigation directly affects outcome [4][5]. Bystanders are advised to start irrigating immediately with any non-toxic liquid, including tap water, and to keep going as long as possible [6]; in a clinical setting, irrigation continues for at least 30 minutes and until the ocular surface pH returns to neutral (7.0–7.4) [7]. As a home first-aid measure, aim for at least 30 minutes of continuous running-water irrigation while arranging immediate transport to an ophthalmologist or emergency department.

Metal fragment, wood splinter

Do not attempt to wipe away. Irrigate with water, then seek ophthalmic evaluation.

Three Practical Framings

  • Nasal foreign bodies: if the object is visible, the kissing technique can be tried once or twice. If it is not visible, involves a battery or magnet, or the technique fails — ENT directly, without cotton swabs.
  • Eye chemical exposure: the first action is water irrigation, not neutralizer. Knowing this before it happens removes one hesitation in the moment.
  • Ear insect: immobilize first (oil or alcohol into the canal), then seek care. Do not attempt to pull it out.

Summary

The shared principle across ears, nose, and eye is: confirm before acting, and understand that "the instinct to remove it immediately" is the most common cause of worsening the situation. For chemical eye injury in particular, a delay of minutes can affect corneal outcome — and the intervention needed is water, which is always immediately available.

References

  1. Kiger JR, Brenkert TE, Losek JD. Nasal foreign body removal in children. Pediatr Emerg Care. 2008;24(11):785–792. doi:10.1097/PEC.0b013e31818c2cb9. PMID: 19018225.
  2. Cook S, Burton M, Glasziou P. Efficacy and safety of the "mother's kiss" technique: a systematic review of case reports and case series. CMAJ. 2012;184(17):E904–E912. doi:10.1503/cmaj.111864. PMID: 23071371.
  3. Schulze SL, Kerschner J, Beste D. Pediatric external auditory canal foreign bodies: a review of 698 cases. Otolaryngol Head Neck Surg. 2002;127(1):73–78. doi:10.1067/mhn.2002.126724. PMID: 12161734.
  4. Burns FR, Paterson CA. Prompt irrigation of chemical eye injuries may avert severe damage. Occup Health Saf. 1989;58(4):33–36. PMID: 2733955.
  5. Kuckelkorn R, Schrage N, Keller G, Redbrake C. Emergency treatment of chemical and thermal eye burns. Acta Ophthalmol Scand. 2002;80(1):4–10. doi:10.1034/j.1600-0420.2002.800102.x. PMID: 11906296.
  6. American Academy of Ophthalmology. Chemical (Alkali and Acid) Injury of the Conjunctiva and Cornea. EyeWiki. Last updated September 2, 2026 (accessed September 18, 2026). https://eyewiki.org/Chemical_(Alkali_and_Acid)_Injury_of_the_Conjunctiva_and_Cornea
  7. Patek GC, Bates A, Gurnani B. Ocular Burns. In: StatPearls. Treasure Island (FL): StatPearls Publishing; updated January 31, 2026. NBK459221. https://www.ncbi.nlm.nih.gov/books/NBK459221/

In the memori app

The memori app has nothing that prevents an accident. What it has is the record that helps you act calmly after one.

  • Symptoms can be recorded with photos, so you can show the clinician how things changed rather than describe it.
  • Allergy information is stored per child.
  • You can jot down what you want to ask before the appointment.
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