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Chapstick poisoning
This poisoning results from eating or swallowing lip moisturizers containing para-aminobenzoic acid.
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 the National Poison Control Center at 1-800-222-1222.
For information regarding allergic reactions to this substance, see para-aminobenzoic acid allergy.
Para-aminobenzoic acid is a naturally occurring substance that can absorb ultraviolet (UV) light. It is often used in sunscreen products, including lip moisturizers containing sunblocks.
Para-aminobenzoic acid is found in certain lip balm and moisturizers containing a sunblock. Chapstick is one brand name.
Parkinson A, Ogilvie BW. Biotransformation of xenobiotics. In: Klaassen CD, ed. Casarettand Doull’s Toxicology: The Basic Science of Poisons. 7th ed. New York, NY: McGraw-Hill; 2008:chap 6.
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