| Summary: | Toxic effects that occur after acute organophosphate poisoning (OP) can manifest three phases, namely, acute cholinergic crisis, intermediate syndrome and delayed-type polyneuropathy. Clinical signs and symptoms of organophosphate poisoning depend on the accumulation of acetylcholine at the nerve junction. Organophosphate poisoning causes three main clinical findings; acute cholinergic crisis consisting of muscarinic, nicotinic and central nervous system symptoms, intermediate syndrome with recurrence of cholinergic symptoms or muscle weakness without fasciculation 24-96 hours after poisoning and delayed-type polyneuropathy that can usually occur several days or weeks after acute exposure to organic phosphorus compounds. In this article, intermediate syndrome, which is a late complication, has been reviewed. [Archives Medical Review Journal 2016; 25(1.000): 70-83]
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