It's venom possess neurotoxic, cardiotoxic and hemotoxic properties.The clinical features of cobra bite are various, depend on the species and the ratio of the venous component.
The garter snake, which dines on neurotoxic salamanders, has evolved resistance to salamander toxins through some of the same genetic changes as the salamanders themselves.
For poison dart frogs and many other animals with neurotoxic defenses, a few genetic changes alter the structure of the alkaloid-binding site just enough to keep the neurotoxin from exerting its adverse effects.