“…The acute neurotoxic effects of OPs are caused by the inhibition of acetylcholinesterase in the synaptic cleft and therefore OPs increase cholinergic activity. Cholinergic symptoms following acute poisoning to these chemicals include dizziness, cramps, nausea, vomiting, abdominal pain, numbness and/or tremors in the extremities, fatigue, headaches, excessive salivation, diarrhea, generalized weakness, respiratory problems, and blurred vision (Stallones & Beseler, 2002;Sapbamrer & Nata, 2014).…”