How to: Tackle Poisoning , Bites and Stings
"Snake bites can be life-threatening if the snake is poisonous", points emergencycareforyou.
"If you are bitten, remember the color and shape of the snake. This information will help medical providers treat you. If you are walking in high water, and you are not sure you have been bitten by a snake, look for a pair of puncture marks at the wound and for redness and swelling, as well as severe pain."