Venom types
Snake venom can be divided into two broad (yet fuzzy) categories. That of hemotoxicity and neurotoxicity.
Hemotoxic venom effects the blood and organs, causing a breakdown or inflammation in the body. Hemotoxic bites are the most painful as breathing hurts and tissues start to die.
Neurotoxic venom, as the name suggests, effect the nervous system, leading to everything from siezures to death. Neurotoxic bites are the most deadly.
Although we have these two wonderful different categories, no snake fits completely in each. Many snakes incorporate both neurotoxic and hemotoxic venom in their bites so when telling them apart one goes by which type is more predominant.
For instance Ophiophagous hannah (King Cobra) has predominantly neurotoxic venom while Crotalus adamanteus (Eastern diamondback rattlesnake) has predominantly hemotoxic venom.
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