Blood in the urine, frothing or drooling from the mouth, dilated pupils, and in some extreme cases, even paralysis Some Copperhead bite symptoms in dogs 1 Two puncture wounds from the fangs Immediately after a copperhead bite, there will be two small red dots on the skin 2 Rapid swelling around the bite location Very quickly after the bite, the wound will start to swell up, and will be a 3 Change in your Copperheads are not aggressive and do not typically bite except in defense Dogs may stumble upon snakes by accident, though, so take the following measures to reduce the risk When hiking, stay on paths and keep your dog out of tall grass and shrubbery
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