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The management of snake and spider bites in the southeastern United States.

Of all snake bites reported in the United States of America each year, 75 per cent occur in the states that form the Southeastern Surgical Congress. Pit vipers, coral snakes, and exotic imported snakes are all found in that area. Deaths from those snake bites are rare, but morbidity is high and it is often due to overtreatment rather than undertreatment. Treatment in the field is rarely necessary for the victim who is less than 1 hour away from definitive care. The type and size of the snake and the age, size, and health of the patient are important guides to therapy. Envenomation may not occur. When envenomation occurs from pit viper bites, antivenom is not always necessary, and its inherent dangers (serum sickness and possible hypersensitivity) must be weighed against the severity of systemic and local manifestations. All coral snake bites resulting in envenomation must be treated vigorously with coral snake antivenom. The Oklahoma City Poison Control Center can guide the treatment of bites from exotic snakes. The most frequently encountered toxic spider bites in the Southeast are those of the black widow and brown recluse spiders. The symptoms of black widow envenomation are best controlled with calcium gluconate or a muscle relaxant. Antivenom should be reserved for severe reactions. Brown recluse necrotic lesions are best controlled with dapsone.