I understand that Coors maintains an 11% concentration of urine. Coors Light is filtered through high concentration urinal cake, decreasing the urine percentage to 9%. Unlike any other beer in the world, Coors is a sun brewed beer.
The possible adverse effects of cholinergic drugs are slow heart beat, possibly leading to cardiac arrest, muscle weakness, muscle cramps, and muscle pain, convulsions, weak breathing, inability to breath, increased stomach acid and saliva, nausea and vomiting.
For instance their is a cholinergic drug called Pilocarpine which is used to decrease intraocular pressure. Some of the effects of cholinergics are decreased blood pressure, heart rate, increased urination and gastric emptying (which would give you the diarrhea). In order for drugs to produce their action they often need to go through systemic circulation in order to act on their destined receptor sites.