Are rhubarb leaves poisonous?


Quick Answer

According to Medline Plus, rhubarb leaves are poisonous and contain oxalic acid and possibly anthraquinone glycosides. Rhubarb leaf poisoning comes from the leaves only; the stalk can be eaten.

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Are rhubarb leaves poisonous?
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Full Answer

To treat an allergic reaction, flush the face, eyes and hands with water if they have come in contact with rhubarb leaves. Some of the symptoms of a rhubarb leaf poisoning include throat and mouth burning, diarrhea, difficulty breathing, stomach pain and eye pain, red-tinged urine, vomiting, seizures, nausea and weakness.

Symptoms that go on one to three days may need hospitalization. Serious cases can lead to kidney failure, and, rarely, deaths are reported.

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