Are Insect Repellents With DEET Safe for Kids?

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Parents

I want to protect my son from mosquito bites, but I’m worried about slathering him with repellent that has DEET. Will that cause health problems down the line?
- Penny

Insect repellents containing DEET have been tested and approved as safe for kids, but you should take some precautions with them.

Choose a repellent with no more than 10% to 30% concentration of DEET (look for N,N-diethyl-m-toluamide on the label). Use lower concentrations if kids will be outside only for an hour or two. If they're outside longer, consider using a repellent with a higher concentration of DEET. (The higher concentration means that it will last longer.)

Generally, repellent with DEET should not be applied more than once a day, and is not recommended for babies younger than 2 months old.

DEET can be used on exposed skin, as well as clothing, socks, and shoes, but should not be used on the face, under clothing, on cuts or irritated skin, or on the hands of young children.

Also:

  • Do not use a single product containing both sunscreen and DEET — sunscreen needs to be reapplied frequently, while DEET should not be applied more than once a day.
  • Concentrations higher than 30% are not more effective and the chemical (which is absorbed through the skin) can be toxic. Be sure to follow the directions on the label.
  • If you apply insect repellent to exposed skin, do so sparingly. Do not apply repellent to kids' hands — that way, they can't ingest it if they put their hands in their mouth. It also can cause irritation if they touch their eyes.
  • Avoid spraying the repellent anywhere near the mouth, so it can't be ingested.
  • Apply the repellant in an open area so that you and your child do not breathe it in.
  • Wash your child's skin with soap and water when you return indoors, and wash all clothing before it is worn again.

The Centers for Disease Control and Prevention (CDC) says that repellents containing the ingredients picaridin or oil of lemon eucalyptus also can protect against mosquitoes:

  • Picaridin is a compound found in many mosquito repellents used in Europe, Australia, Latin America, and Asia. Its chemical name, which you might find in the list of "active ingredients" on a product, is KBR 3023. Years of safe use of picaridin in other parts of the world attest to its safety and effectiveness.
  • Oil of lemon eucalyptus is also known as P-menthane diol (PMD). PMD is a plant-based repellent that gives protection time similar to low concentrations of DEET products. It is not recommended for kids under 3 years old.

Whatever repellent you choose, check the list of active ingredients to make sure that one of these effective chemicals is on the list, and follow the directions carefully.

Reviewed by: Larissa Hirsch, MD
Date reviewed: February 2014



Related Resources

OrganizationCenters for Disease Control and Prevention (CDC) The CDC (the national public health institute of the United States) promotes health and quality of life by preventing and controlling disease, injury, and disability.
OrganizationAmerican Academy of Allergy, Asthma, and Immunology The American Academy of Allergy, Asthma, and Immunology offers up-to-date information and a find-an-allergist search tool.
OrganizationAmerican Academy of Pediatrics (AAP) The AAP is committed to the health and well-being of infants, adolescents, and young adults. The website offers news articles and tips on health for families.
OrganizationAmerican Academy of Family Physicians This site, operated by the American Academy of Family Physicians (AAFP), provides information on family physicians and health care, a directory of family physicians, and resources on health conditions.
OrganizationNational Park Service This site contains information on America's national parks and the many ways you can enjoy the great outdoors.


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Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

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