Dog Poisoning Diseases –  Snake venom poisoning

Dog Poisoning Diseases – Snake venom poisoning

Snake venom poisoning

Snake venom poisoning is a kind of poisoning that occurs after being bitten by a venomous snake. There are many kinds of poisonous snakes.

The season of snake venom poisoning is related to the law of snake activity. The active period of snakes is generally from April to November, and the most active period is from July to September. Therefore, the incidence of snake venom poisoning is the highest during this period. Hunting dogs and police dogs are prone to this disease when they enter the grass and densely wooded areas due to special tasks.

Diagnosis points

The face, nose and limbs of dogs bitten by venomous snakes are more common. The bite site is closer to the central nerve and blood vessel rich site. The more severe the symptoms.

The clinical symptoms often vary with different types of snake venom.

First, the venom of the golden ring snake and the coral snake are all nerve poisons. After bite, local symptoms such as less bleeding, redness, heat and pain, etc., are mild, but acute systemic symptoms can appear within a few hours after biting. The sick dog groaned with pain, excitement, muscular tremors all over the body, difficulty swallowing, foaming at the mouth, dilated pupils, drop in blood pressure, difficulty breathing, arrhythmia, finally paralyzed limbs, lying on the ground, and finally died of suffocation due to respiratory muscle paralysis.

Second, the venom of crotalinae, viperinae, etc. are mostly blood circulation poisons. Local symptoms are obvious, local pain, bleeding, rapid swelling, purple-black color, extreme edema, necrosis often occurs, the swelling quickly progresses upwards, and usually spreads to the entire head and even the neck, or expands after 6-8 hours To the whole limbs and even the back and waist. After the toxin is absorbed, hematuria, hemoglobinuria, oliguria, urinary obstruction, renal failure, and massive hemorrhage in the chest and abdomen occur. Finally died of heart failure or shock.

Third, the snake venom of cobra and king cobra is mostly mixed venom. After the bite, local symptoms such as redness, swelling, heat pain, and necrosis are obvious. After the toxin is absorbed, the systemic symptoms are severe and complex, including various neurological symptoms caused by neurotoxicity, and various clinical manifestations caused by blood circulation toxins, and finally died of suffocation or heart failure.

Treatment

To prevent the spread of venom. Ligate the wound immediately above the wound after the bite, but it should be loosened for 1 to 2 minutes every 15 to 20 minutes to avoid necrosis due to ischemia. Rinse the bite with water or ammonia immediately, then use a triangular needle to puncture or incise the wound to make the venom outflow, and check whether there are venomous teeth in the wound. If there are venomous teeth, they should be removed. Inject 1% potassium permanganate solution, hydrogen peroxide or pepsin solution around the bite, or seal with 0.25% to 0.5% procaine solution.

In order to destroy the absorbed toxins, monovalent or multivalent antivenom can be slowly injected intravenously. In addition, apply cold compresses to the injured area, and apply analgesics to prevent secondary infections and other symptomatic treatments.

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