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Which Snake Bite Bandage Actually Works (and How Many to Carry)
You're at the kit bench in early spring with snake season already open, and ANZCOR, healthdirect and St John all tell you the same thing: apply a pressure immobilisation bandage. ANZCOR sets the type and width of bandage, and St John WA prefers a bandage with a tension indicator, but none of them tells you which snake bite bandage to buy or how many to pack. That's the gap this article fills.
The technique itself is well documented. Our guide to first aid for bites and stings in Australia walks through the steps. What follows is the buying decision the guideline pages leave to you: checking width and elasticity on the packet, choosing indicator or plain, and how many to carry. It sits within our wider guide to first aid in the Australian outdoors, where distance from help is the whole reason your gear has to be right.
How many snake bite bandages should you carry?
Carry one dedicated snake bite bandage per person, or two standard elasticised roller bandages each if that is what your kit holds. A dedicated snake bite bandage is broad, often printed with a tension indicator, and long enough to cover the bite and as much of the limb as possible on its own. The one we stock is 10cm wide and 10.5m long when stretched.
ANZCOR Guideline 9.4.8 allows for both. It describes a single bandage applied from the fingers or toes up the limb as far as possible, including the bite site, to give both pressure and immobilisation. If you carry shorter standard rollers, use its two-bandage method: one firmly over the bite site, then a second from the fingers or toes upward to cover as much of the limb as possible. ANZCOR sets no packing count, so these per-person figures are our own guidance.
Count for the whole group. A family of four on a day walk wants four dedicated snake bite bandages between them, or eight standard rollers. On multi-day walks and remote trips a spare for the group is sensible, since you cannot restock and a second incident is not impossible, but treat it as a sensible spare rather than a rule. If you are packing a kit for genuine isolation, start from the remote first aid kits range and check the snake bandage count against the baseline above.
What ANZCOR Guideline 9.4.8 actually asks for
The current version of ANZCOR Guideline 9.4.8 (Envenomation: Pressure Immobilisation Technique, approved 2011) is specific about the bandage. It calls for a broad elasticised bandage, 10 to 15cm wide, applied firmly over the bite site and then along as much of the limb as possible. The tension test is plain: once wrapped, you should not be able to slide a finger easily between the bandage and the skin.
Width is easy to get wrong. A narrow 5cm bandage falls below ANZCOR's 10 to 15cm range, and it takes far more of them to cover an arm or leg. Check the width on the packet before you buy.
Why elasticity matters
Elastic is not a nice-to-have. A broad elasticised bandage holds firm pressure along the limb, and that pressure, with the limb kept still, slows venom moving through the lymphatic system. Sustained pressure, together with keeping the limb still, is the point of the technique.
Some first aid pages still list a crepe bandage. Crepe will do if it is genuinely all you have, but ANZCOR Guideline 9.4.8 prefers an elasticised bandage. Buy elasticised from the start and the question never comes up. When you are stocking snake bandages, the elasticised construction is the first thing to confirm, ahead of brand or price.
Indicator bandages versus plain elasticised
A snake bite bandage with an indicator has shapes printed across it, usually rectangles, that stretch into squares when the bandage is pulled to the correct tension. For anyone who has never applied one under pressure, that is a real advantage. It takes the guesswork out of "firm but not a tourniquet" for a bystander with shaking hands, and it is the reason we point most people to indicator bandages for a household or vehicle kit.
The indicator has limits worth knowing. It confirms tension, not coverage, so you still need enough length to cover as much of the limb as possible and you still need to immobilise with a splint. Check the indicator print and the elastic before each season, and replace any bandage that is faded, perished or past the manufacturer's date. Plain elasticised bandages remain a sound choice for a trained user who knows the feel of correct pressure.
Where to keep snake bandages in your kit
A snake bandage is no use buried under the muesli bars. Store it where it can be reached in seconds and, ideally, keep the snake bandages together and separate from your general wound care. A broad elasticised bandage is exactly the item that gets borrowed for a rolled ankle on a Saturday and never put back, so the snake allocation quietly disappears between trips.
Check the count and the indicator print before each season and before any remote trip, the same way you would check expiry dates. Whatever kit you start from, count the snake bandages against one per person, or two each if you carry standard rollers. Our outdoor first aid kits each carry one snake bite bandage with a compression indicator, which matches the one-per-person baseline. Add snake bandages to replace one after use, or to carry a spare on a remote trip.
The pressure immobilisation technique, in brief
The buying decision only matters if the bandage goes on correctly, so here is the short version, drawn from ANZCOR Guidelines 9.4.1 and 9.4.8. Call triple zero first. Keep the person still and calm, apply a bandage over the bite site at the tension described above, then bandage firmly from the fingers or toes up as much of the limb as possible, splint it to stop movement, and keep the patient as still as possible while help comes. Start CPR if they become unresponsive and are not breathing normally.
Just as important is what the guideline tells you not to do. Do not cut the bite or try to suck out venom, and never apply an arterial tourniquet. Do not wash the bitten area either: healthdirect notes that venom left on the skin and clothing can help identify the snake.
That is the summary, not the full method. For the complete step-by-step, including what to do for other bites and stings, use our guide to first aid for bites and stings in Australia, and see what a complete snake bite first aid kit carries alongside the bandages.
Snake season is open. Stock your kit now. Browse snake bandages with tension indicators and make sure everyone in the group has one. For help choosing the right count for your trip, call 03 5443 2239 or email info@firstaiddistributions.com.au.