<prompt> Drug given in OPC poisoning isHyoscineAtropinePropanthelenePhysostigmine  <response>: Ans. is b i.e., Atropine Atropine is considered to be a first line drug for treatment of OPC poisoning. It is highly effective in counteracting the muscarinic symptoms and higher doses counteract the central effects. 2 mg i.v. repeated every 10 minutes till dryness of mouth or other signs of atropinization appear. It does not reverse peripheral muscular paralysis which is the nicotinic effect. 