polyradiculoneuropathy/karwinskia humboldtiana

The ingestion of ripe fruit of the Karwinskia humboldtiana, a shrub commonly known as tullidora or coyotillo, produces an intoxication described in the literature as a symmetric flaccid paralysis of the hind limbs, progressive and ascendent, that in severe cases may cause bulbar paralysis and death.

A variety of plants and seeds, some of which are used for therapeutic and nutritional purposes, can cause neurotoxic symptoms. The ingestion of the green or ripe fruit of the Karwinskia humboldtiana (buckthorn), a bush known in Mexico as coyotillo or tullidora, causes a flaccid, symmetric,

Intoxication produced by Karwinskia humboldtiana presents a neurological picture similar to that of poliomyelitis, Guillain-Barré syndrome or other polyradiculoneuritis with which it is frequently confused. The purpose of this paper is to report the frequency of this intoxication, by means of the

Intoxication by Karwinskia humboldtiana presents a neurological picture similar to that for Guillain-Barré syndrome or other polyradiculoneuropathies. Clinical diagnosis in poisoned humans may be difficult if no evidence of previous fruit ingestion is available. We present our experience in the