Symphytroph, inozivikanwawo se pymphothion, isiri-systemic organophosphorus insecticide iyo inonyanya kushanda pakurwisa tupukanana dipteran. Inoshandiswawo kudzora ectoparasites uye ine zvakakosha mhedzisiro paganda nhunzi. Inoshanda kuvanhu nezvipfuyo. Muchetura zvakanyanya. Inogona kuderedza basa re cholinesterase muropa rose, zvichikonzera musoro, dzungu, kushatirwa, kusvotwa, kurutsa, kudikitira, salivation, miosis, convulsions, dyspnea, cyanosis. Muzviitiko zvakakomba, zvinowanzoperekedzwa nepulmonary edema uye cerebral edema, iyo inogona kutungamirira kurufu. Mukutadza kufema.