Although it is well recognized that acute pesticide poisoning is a major public . date and spray event number, list of pesticides used, and home treatment used. Organophosphate pesticides depress serum and RBC cholinesterase levels (25 ). . Diazepam, which is known to potentiate effects of gamma-aminobutyrate. Learn about the veterinary topic of Organophosphates (Toxicity). Many of the OPs now used as pesticides (eg, chlorpyrifos, diazinon, fenitrothion, malathion. Sep 5, - Examples of organophosphates include insecticides (malathion, parathion, pralidoxime (2-PAM), and benzodiazepines (eg, diazepam).