Health · Warning signs & emergencies

Snake Bite: What to Do and What Never to Do

Quick answer

After a snake bite, move away from the snake, keep the person still and calm, remove rings and tight clothing, and get them to hospital as fast as possible. Never cut the wound, suck out venom, apply ice or tie a tight tourniquet. Antivenom given in hospital is the treatment that saves lives.

Snake bites are frightening, and fear leads people to do things that cause more harm than the bite. The World Health Organization's core message is simple: reassure the person, keep them still, and get them to a health facility as soon as possible. Antivenom, given in hospital, is what treats a venomous bite.

What to do after a snake bite

  1. Move away from the snake. Get the bitten person and everyone else out of range. Most repeat bites happen while people try to deal with the snake.
  2. Get emergency help immediately. Call Rescue 1122 where available, or go to the nearest hospital emergency department. The CDC advises seeking emergency medical attention as soon as possible so antivenom can be started, and warns against waiting at home to see whether symptoms develop.
  3. Reassure the person. WHO points out that many snake bites are from non-venomous snakes. Panic raises the heart rate and does not help.
  4. Keep them still. WHO advises immobilising the person completely and splinting the bitten limb so it cannot move. Mayo Clinic advises keeping the affected limb still and, if possible, positioned at about heart level.
  5. Remove anything tight from the bitten part before swelling starts: rings, watches, bangles, anklets and tight clothing.
  6. Wash the bite with soap and water and cover it loosely with a clean, dry dressing.
  7. Mark the swelling. Draw a line on the skin at the leading edge of the swelling or tenderness and write the time next to it. This helps the hospital team judge how fast things are changing.
  8. If the person becomes unconscious, WHO advises placing them on their left side in the recovery position to protect the airway. Watch their breathing.
  9. Identify the snake safely. Take a photo from a safe distance or describe it. Never handle a snake, even one that appears dead.

What NEVER to do

  • Never tie a tight tourniquet. WHO specifically warns against tight arterial tourniquets.
  • Never cut or slash the bite with a knife or blade.
  • Never try to suck out the venom, by mouth or with a suction device.
  • Never apply ice or soak the bite in water.
  • Never use folk or herbal remedies, including so-called black stones, or electric shock. WHO warns these are unproven and unsafe, and they waste the time that matters most.
  • Never give alcohol or caffeine.
  • Never give painkillers of the aspirin or ibuprofen type, which the CDC and Mayo Clinic warn can increase bleeding. Ask the hospital team what is safe.
  • Never try to catch or kill the snake.

About pressure bandages

WHO notes that the Australian pressure immobilisation bandage technique is recommended only for certain neurotoxic snakes that do not cause local swelling. It is not a general first aid step and should be left to trained people. What applies to everyone is immobilisation and fast transport.

When to get emergency help

Every suspected snake bite needs medical assessment. Call Rescue 1122 where available, or go to the nearest hospital emergency department straight away, and treat it as extremely urgent if there is:

  • Severe pain, swelling, bruising or blistering spreading from the bite
  • Bleeding from the bite, gums or nose
  • Drooping eyelids, blurred or double vision
  • Difficulty speaking, swallowing or breathing
  • Muscle weakness, numbness, tingling or twitching
  • Nausea, vomiting, diarrhoea or heavy sweating and drooling
  • A fast heartbeat, low blood pressure, drowsiness or collapse

Do not wait for symptoms to appear before travelling. The time saved in getting to a hospital with antivenom and trained staff is the single most useful thing a bystander can provide.

Frequently asked questions

Should I tie a cloth tightly above a snake bite?

No. WHO specifically warns against tight arterial tourniquets after a snake bite. Instead, keep the limb still and splinted and get the person to hospital quickly.

Can sucking out the venom help?

No. Both the CDC and Mayo Clinic advise against cutting the wound or trying to extract venom by mouth or suction. These steps cause harm and delay real treatment.

Where should I keep the bitten arm or leg?

Keep it still and splinted. Mayo Clinic advises positioning the affected limb at about heart level and limiting movement while you get to hospital.

What if I am not sure the snake was venomous?

Treat every suspected bite as urgent and go to hospital. The CDC warns against waiting at home for symptoms to develop before seeking help.

In an emergency call Rescue 1122 where the service is available, or go to the nearest hospital emergency department.

Sources

  1. Snakebite envenoming: treatment and rehabilitation — World Health Organization
  2. Snakebites: First aid — Mayo Clinic
  3. Venomous Snakes at Work — CDC

Last reviewed against the sources above: . This page gives general health information only. It is not medical advice and does not replace a doctor. See our editorial policy.

← All health tips