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    Mucuna pruriens seeds contain levodopa, a dopamine precursor that composes the standard treatment to manage symptoms of Parkinson's disease. Also known as velvet bean, this plant is often involved in cases of intense pruritus after contact with the hair that grows on its beans. This case report describes the effects in a 58-y-old woman after ingestion of 5 raw seeds of M pruriens on Reunion Island, a French tropical island territory close to Mauritius, in the Indian Ocean. About 40 min after ingesting the plant, the patient showed adverse digestive symptoms such as nausea, vomiting, and abundant diarrhea followed by a state of confusion, hallucinations, and amnesia. She was brought to the emergency department. After medical examination, her vitals were normal, and only her nausea lingered. The poison control center was contacted by the medical team. The plant, previously well described and known by the patient, was later picked from the garden and reviewed by the Indian Ocean toxicovigilance department. Expert botanists confirmed the plant species to be M pruriens. The patient ate the raw seeds after reading articles on the Internet, without confirming whether the seeds should have been cooked before consumption. This case highlights that ingesting raw, unprepared M pruriens seeds can cause severe digestive symptoms, possibly accompanied by neurologic disorders. Copyright © 2021 Wilderness Medical Society. Published by Elsevier Inc. All rights reserved.


    Adrien Maillot, Corinne Schmitt, Adrien Marteau. Poisoning After Ingestion of Mucuna pruriens Seeds on Reunion Island. Wilderness & environmental medicine. 2022 Mar;33(1):122-124

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    PMID: 34895813

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