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Iodine poisoning


Definition:

Iodine is a naturally occurring chemical. Small amounts are needed for good health. However, large doses can cause harm. Children are especially sensitive to the effects of iodine.

NOTE: Iodine is found in certain foods. However, there is normally not enough iodine in foods to harm the body. This article focusses on poisoning from exposure to non-food items that contain iodine.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or a local poison control center at 1-800-222-1222.

Poisonous Ingredient:

Iodine

Where Found:
  • Amiodarone (Cordarone)
  • Lugol's solution
  • Pima syrup
  • Potassium iodide
  • Radioactive iodine used for certain medical tests or the treatment of thyroid disease
  • Tincture of iodine

Note: This list may not be all inclusive.

Symptoms:
Home Treatment:

Seek immediate medical help. DO NOT make a person throw up unless told to do so by Poison Control or a health care professional.

Give the person milk, or cornstarch or flour mixed with water. Continue to give milk every 15 minutes. DO NOT give these items if the patient is having symptoms (such as vomiting, convulsions, or a decreased level of alertness) that make it hard to swallow.

Before Calling Emergency:

If possible, determine the following information:

  • Patient's age, weight, and condition (for example, is the person awake or alert?)
  • Name of the product (ingredients and strengths, if known)
  • Time it was swallowed
  • Amount swallowed

However, DO NOT delay calling for help if this information is not immediately available.

Poison Control, or a local emergency number:

In the United States, call 1-800-222-1222 to speak with a local poison control center. This hotline number 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. You can call 24 hours a day, 7 days a week.

What to expect at the emergency room:

The health care provider will measure and monitor the patient's vital signs, including temperature, pulse, breathing rate, and blood pressure. The patient may receive:

  • Activated charcoal
  • Breathing support
  • Fluids and milk
  • Medicines to treat symptoms
  • Tube through the mouth or nose into the stomach to wash out the stomach (gastric lavage)
Expectations (prognosis):

How well a patient does depends on the amount of poison swallowed and how quickly treatment was received. The faster a patient gets medical help, the better the chance for recovery.

Esophageal stricture is a possible complication. Death is possible, though unlikely.

References:

Agency for Toxic Substances and Disease Registry (ATSDR). 2004. Toxicological Profile for iodine. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service.

Goldfrank LR, ed. Goldfrank's Toxicologic Emergencies. 9th ed. New York, NY: McGraw Hill; 2011.


Review Date: 1/29/2013
Reviewed By: Eric Perez, MD, St. Luke's / Roosevelt Hospital Center, NY, NY, and Pegasus Emergency Group (Meadowlands and Hunterdon Medical Centers), NJ. Review provided by VeriMed Healthcare Network. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2002 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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