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Pencil eraser swallowing

A pencil eraser is a piece of rubber attached to the end of a pencil. This article discusses the health problems that may occur if someone swallows an eraser.

This article is for information only. DO NOT use it to treat or manage an actual poison exposure. If you or someone you are with has an exposure, call the local emergency number (such as 911), or the local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States.

Poisonous Ingredient

Pencil erasers contain a type of rubber. They are often not harmful.

Where Found

Pencil erasers

Symptoms

Swallowing a pencil eraser may lead to an intestinal blockage, which can cause abdominal pain, nausea, or vomiting. Infants may become irritable.

Before Calling Emergency

Have this information ready:

  • The person's age, weight, and condition
  • The time it was swallowed
  • The amount swallowed

Poison Control

Your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States. This national hotline will let you talk to experts in poisoning. They will give you further instructions.

This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week.

What to Expect at the Emergency Room

An emergency room visit may not be needed. If you are told to go to the hospital, your symptoms will be treated as appropriate.

Outlook (Prognosis)

Since pencil erasers are considered fairly nonpoisonous, recovery is likely.

References

Hammer AR, Schroeder JW. Foreign bodies in the airway. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 414.

Pfau PR, Benson M. Foreign bodies, bezoars, and caustic ingestions. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 28.

Thomas SH, Goodloe JM. Foreign bodies. In: Walls RM, Hockberger RS, Gausche-Hill M, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier; 2018:chap 53.


         

        Review Date: 11/13/2021

        Reviewed By: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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