Snake bites may cause anaphylaxis in certain people. Most snakebites, whether by a venomous snake or not, will have some type of local effect. … Other common initial symptoms of pit viper and viper bites include lethargy, bleeding, weakness, nausea, and vomiting.
Venomous snake bites can produce an array of symptoms, including localized pain and swelling, convulsions, nausea, and even paralysis.