1 Symptoms are due to the effects of excess acetylcholine on nicotinic and muscarinic acetylcholine receptors in the CNS, at neuromuscular junctions, and in the sympathetic, and parasympathetic nervous systems. 2  Nicotinic and muscarinic receptors have different. 3  Functions. 4  Locations.
The reason snake repellents don t work is because there is nothing intimidating to a snake about the smell of naphthalene or sulfur. Even if there were, snakes do not smell the way people traditionally assume they do. Snakes use smell as a method of information.
Even a bite from a so-called harmless snake can cause infection or allergic reaction in some people. For maximum safety, treat all snake bites as if they were venomous and get to a hospital emergency room as quickly as possible, especially if you are unsure of the exact type of snake responsible for the bite.