Severe bleeding can kill within minutes, so the first aid response must be fast and forceful. Life-threatening bleeding is recognised by blood that is spurting, pooling on the ground, soaking through clothing or continuing despite pressure. The core technique is direct pressure. If that fails on an arm or leg, a tourniquet is now taught as a lifesaving next step. This guide covers both, and explains which older practices have been dropped.
Severe Bleeding First Aid: 6 Steps
- Protect yourself. Use gloves if available, or a plastic bag or cloth barrier, and wash afterwards. Call the emergency number or send someone to.
- Expose the wound so you can see where the blood is coming from.
- Apply firm direct pressure with a pad, clean cloth or your gloved hand. Press hard and keep pressing. Do not lift to check.
- Add a pressure bandage. Place a thick pad over the wound and bandage firmly. If blood soaks through, add more padding and bandage over it rather than removing it.
- Rest, elevate if possible and treat for shock. Lay the person down, raise a bleeding limb if there is no fracture, and keep them warm. See our shock first aid guide.
- Use a tourniquet if bleeding from a limb is not controlled. See below.
When to Use a Tourniquet
Current first aid guidelines recommend a manufactured tourniquet for life-threatening limb bleeding that cannot be controlled with direct pressure, and many trainers advise applying it early for massive bleeding. Place it a hand’s width above the wound, between the wound and the heart, and tighten until the bleeding stops. It will hurt, which is normal. Write down the time it was applied and never loosen or remove it, leaving that to hospital staff. When severe bleeding continues and no purpose-made tourniquet is available, use wide material and a rigid windlass, and never a narrow cord.
Older workbooks often tell first aiders to use a tourniquet only as a last resort, and to avoid it for amputations. Guidance has shifted toward earlier use, but you should always follow the protocol of your own course and local authority.
Severe Bleeding on the Neck, Groin or Torso
Tourniquets cannot be used on the neck, shoulder, groin or torso. Pack the wound firmly with clean gauze or cloth, ideally a haemostatic dressing if trained, and press hard with both hands until help arrives.
What About Pressure Points?
Pressing on the brachial or femoral artery was once taught as a second step. Current guidelines no longer recommend it, because arteries are hard to locate and compress and limbs have more than one blood supply. Direct pressure and a tourniquet are more reliable.
Severe Bleeding Around an Embedded Object
Do not remove embedded objects. Build up padding around them and bandage so you do not press on the object itself. Details are in our guide to embedded foreign objects.
After Severe Bleeding Is Controlled
Keep monitoring pulse, breathing and alertness, and keep the person warm until paramedics arrive. Wash exposed skin with soap and water and seek advice if blood has entered a cut or the eyes or mouth.
Frequently Asked Questions
Should I wash a severe wound first?
No. Stop the bleeding first. Cleaning can wait until the person is safe.
How long should I press?
Keep firm pressure for at least ten minutes without interruption, and continue until medical help takes over if bleeding is serious.
Can a tourniquet cause the loss of a limb?
Limb damage is rare when used correctly for short periods, and the risk of death from uncontrolled bleeding is far greater.
References and Further Reading
- American Heart Association and American Red Cross, Guidelines for First Aid
- Stop the Bleed, Learn the three steps
- St John Ambulance, Bleeding
Last updated: October 2026
Prepared by: EHS Guidelines Editorial Team
This article is general educational information and is not a substitute for accredited first aid training or professional medical care. In an emergency, call your local emergency number immediately. Emergency numbers, medicines and protocols differ between countries, so follow local guidance.
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