copperhead snake bite effects
- Cottonmouth and copperhead bites are immediately painful and signs and symptoms such as those listed below, usually begin immediately: 1  body as a whole swelling. 2  respiratory difficulty breathing. 3  skin discoloration of skin.  gastrointestinal nausea, 1  vomiting. heart and blood vessels weak pulse. What is the long term effects of copperhead snake venom? I was bitten by a copperhead in 1981 on the foot. The bite immed. started swelling, lots of pain like a super bee sting that doesn't stop, next was the feeling of throwing up. I went to the ER and by then the area around the bite fangs were turning into blue red 50 cent piece. The ER tested the anivemon in my arm but the swelling was now all the way up my thigh.