Snake bite in dogs: the five-minute emergency response

Snake bite in dogs is one of the few veterinary emergencies where the right move in the first five minutes can be the difference between survival and not. The protocol is simple: keep the dog still, carry not walk, drive to the nearest emergency vet, ring ahead. Antivenom works best given early. Below: how to recognise a bite, what to do (and what not to), the Australian species your dog is most likely to meet, and what treatment costs.

How to recognise a snake bite

Many bites are unwitnessed. The dog runs into long grass, yelps, comes back. The signs follow within 10 to 60 minutes:

• Sudden weakness in the back legs, dragging or wobbling
• Vomiting, often within the first 30 minutes
• Drooling, dilated pupils, rapid breathing
• Collapse within an hour in severe envenomations
• Bleeding from the bite or at unusual sites (nose, mouth, urine) in some species
• The bite mark itself, often hard to find under fur, sometimes two small puncture marks

Tiny dogs sometimes show no early signs and then collapse abruptly, the toxin-to-bodyweight ratio is brutal in small breeds.

The five-minute response

1. Keep the dog as still as possible. Movement spreads venom through the lymph system. Pick them up if you can.
2. If the bite is on a limb, apply a firm pressure bandage above the bite site (not a tourniquet). The pressure-immobilisation technique slows venom spread without cutting off blood flow.
3. Carry, don't walk. Even short distances. To the car, to the clinic.
4. Ring the emergency vet on the way so they can draw antivenom and prepare. Most clinics keep stock.
5. Note the time of the bite if known, and the snake's appearance if you saw it (size, colour, head shape). Don't try to capture or photograph the snake at the cost of time.

What not to do

• Don't suck out the venom. Old movie advice; doesn't work; introduces infection.
• Don't cut the bite. Same reasons.
• Don't apply ice or cold water. No effect on venom.
• Don't apply electrical shock devices. Folk-medicine, no evidence, risk of harm.
• Don't try to identify the snake at all costs. If it slithered off, let it. The vet can choose appropriate antivenom from clinical signs.
• Don't make the dog walk. The single thing that slows venom spread is staying still.

The Australian snakes most often involved

• Eastern brown snake. The deadliest in dog cases. Causes rapid coagulopathy and paralysis. Found across most of eastern Australia.
• Tiger snake. Common in southern states. Severe envenomation, neurotoxic and myotoxic.
• Red-bellied black snake. Less lethal than browns or tigers but still dangerous. Often mistaken for browns.
• Common death adder. Less common but devastating, neurotoxic, and they sit very still rather than slither away.
• Copperhead, mulga, taipan, others. Geographic. The vet's antivenom choice covers them.

For most cases, polyvalent antivenom (covers most species) is given when the species is uncertain. Monovalent antivenom (species-specific) is preferred when identification is clear.

What treatment costs

Pet insurance taken before symptoms typically covers most of this. The vet payment plans guide covers options if it's a stretch.

Prevention in snake country

• Keep grass short around the house in spring and summer
• Remove sheets of corrugated iron, log piles, and other snake hides near where the dog plays
• Walk on lead in bushland during peak season (Sept to Apr)
• Avoid walking at dawn and dusk in known snake areas, peak activity times
• Train a reliable recall, a dog that comes immediately when called gets bitten less

Straight answers

Snake bite is one of the small handful of veterinary emergencies where time genuinely is everything. The protocol is simple, calm the dog, immobilise, drive. Most dogs treated within an hour survive. Information here is general and isn't a substitute for veterinary advice. Related: emergency vet Sydney, vet payment plans, grass seeds in dogs.