Symphytroph, eo hape e tsejwang e le pymphothion, ke sebolaya dikokwana-hloko se seng sa systemic organophosphorus se sebetsang haholo kgahlanong le disenyi tsa dipteran. E boetse e sebelisoa ho laola li-ectoparasites 'me e na le liphello tse kholo ho lintsintsi tsa letlalo. E sebetsa ho batho le liphoofolo. Chefo e ngata. E ka fokotsa mosebetsi oa cholinesterase maling 'ohle, ho baka hlooho, ho tsekela, ho teneha, ho nyekeloa ke pelo, ho hlatsa, ho fufuleloa, mathe, miosis, convulsions, dyspnea, cyanosis. Maemong a boima, hangata e tsamaisana le edema ea pulmonary le edema ea boko, e ka lebisang lefung. Ka ho hloleha ho phefumoloha.