Someone is unconscious: what to do? Step-by-step guide
⏱ 2 min read
First aid. Below: what to do right away, what next, when to call 112 and what to avoid. The same instructions are in the free SurvivalZone.app and work without internet.
First, right now
- Make sure the scene is safe for you.
- Check for a response (shout, tap their shoulders) and check breathing for no more than 10 seconds.
- Not breathing normally? Call 112 on speaker and start chest compressions straight away.
Then
- Push hard and fast in the centre of the chest: 100–120 times a minute, 5–6 cm deep.
- If you are trained: 30 compressions and 2 rescue breaths. If not: compressions only, without stopping.
- Have someone bring an AED defibrillator and switch it on. It tells you what to do.
- Breathing? Put them in the recovery position on their side and keep checking their breathing until help arrives.
When to call 112
Always, when someone is unconscious.
What not to do
- Don't stop compressions until someone takes over or the paramedics arrive.
- Don't give an unconscious person anything to drink.
See also
Frequently asked questions
Someone is unconscious: what should I do first?
Make sure the scene is safe for you. Check for a response (shout, tap their shoulders) and check breathing for no more than 10 seconds. Not breathing normally? Call 112 on speaker and start chest compressions straight away.
When should I call 112?
Always, when someone is unconscious.
Someone is unconscious: what should I avoid?
Don't stop compressions until someone takes over or the paramedics arrive. Don't give an unconscious person anything to drink.
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Sources
Official sources are checked automatically every day. Last check: 2026-11-08.
General guidance only; it does not replace the emergency services. If a life is in danger, call 112.
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