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Large quantities can cause poisoning. Signs of poisoning include skin inflammation and peeling, irritability, tremors, convulsions, weakness, headaches, depression, diarrhea, vomiting, and other symptoms.
Boric acid, a common form of boron, appears to be safe when used vaginally. It can cause a sensation of vaginal burning.
Boron is safe for pregnant and lactating women age 19-50 when used in doses less that 20 mg per day. Pregnant and lactating women age 14 to 18 should not take more then 17 mg per day. Higher amounts can be harmful. However, boric acid should not be used by pregnant women because it has been linked to birth defects.
Do not take boron if:
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.