The symptoms of poisoning by this species are spasms, similar to those of trismus, and agonizing general pains.
"Average Jones" by Samuel Hopkins Adams
We call that a trismus.
"The Petty Troubles of Married Life, Complete" by Honore de Balzac
He also reports cases in which trismus and spasm of the glottis have been present.
"A System of Practical Medicine by American Authors, Vol. I" by Various