Lack of involvement of monoamine oxidase inhibition in the lethality of acute poisoning by chlordimeform

Abstract
Depletion of serotonin or norepinephrine in male rats by pretreatment with p-chlorophenylalanine or DL-.alpha.-methyl-p-tyrosine, respectively, failed to reduce the lethality of the monoamine oxidase-inhibiting acaricide, chlordimeform [acaricide]. Administration of phenylephrine, a directly acting .alpha.-adrenergic agonist, with chlordimeform did not increase the lethality of chlordimeform. Monoamine oxidase inhibition by chlordimeform does not seem to contribute to its lethality.