Medical Uses
In a 1992 press release, the U.S. Food and Drug Administration announced that no proof had been submitted showing the main ingredients in calamine (zinc carbonate and iron(III) oxide) to be safe for use or effective in treating bug bites, stings, and rashes from poison ivy, poison oak, and poison sumac. The press release listed a total of 415 over the counter (OTC) drug ingredients which the FDA proposed banning for specific uses which are as yet unproven.
In a September 2, 2008 document, the U.S. Food and Drug Administration recommended applying topical OTC skin protectants, such as calamine, to relieve the itch caused by poisonous plants such as poison ivy, poison oak, and poison sumac.
Read more about this topic: Calamine
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