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There isn't enough information available to know if holly LEAVES are safe for use. The leaves can cause side effects such as diarrhea, nausea, vomiting, and stomach and intestinal problems. Swallowing holly leaf spines may tear or puncture the inside of the mouth and other parts of the digestive tract.
Special Precautions & Warnings:Pregnancy and breast-feeding: Do not eat the berries. They can kill you. There isn't enough information to know whether using the leaves as medicine during pregnancy or breast-feeding is safe. Stay on the safe side and avoid use.
Children: Eating holly berries can kill a child. Be sure to keep holly away from children.
Dehydration: In addition to being poisonous, holly berries can make dehydration worse because they cause vomiting and diarrhea.
Incorrect levels of chloride, calcium, magnesium, sodium, or potassium (electrolyte imbalance) in the body: In addition to being poisonous, holly berries can make an electrolyte imbalance worse because they cause vomiting and diarrhea.
Report Problems to the Food and Drug Administration
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.