Quick Answer
Pit viper bites, such as those from rattlesnakes, copperheads, and cottonmouths, cause necrotic wounds due to hemotoxins. Elapid bites, such as those from cobras, coral snakes, and taipans, cause paralysis and respiratory failure due to neurotoxins. Envenomation symptoms and severity vary depending on the species and the location and depth of the bite.
Symptoms of Envenomation
Pit viper bites typically cause localized pain, swelling, bruising, and bleeding around the bite area, often accompanied by systemic symptoms such as nausea, vomiting, and headache. Elapid bites may cause numbness, tingling, and muscle weakness, progressing to respiratory failure if left untreated. Early recognition of symptoms is crucial for effective treatment.
Treatment of Envenomation
For pit viper bites, the primary goal is to prevent infection and promote wound healing. Apply a clean bandage to the wound, immobilize the affected limb, and monitor for signs of infection. For elapid bites, administer antivenom as soon as possible to counteract the neurotoxins. The antivenom should be administered in a hospital setting by a trained medical professional.
First Aid and Precautions
When dealing with a snake bite, stay calm and move away from the snake. Do not attempt to capture or kill the snake, as this can lead to further envenoming. Remove any constricting items, such as jewelry or watches, from the affected area and keep the wound below heart level to reduce swelling. If you are in an area with limited access to medical care, prioritize stabilization of the patient and transport them to a medical facility as soon as possible.
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