Written by Stephanie Austin, Founder of Prima Cura Training
Last updated: February 2026
Every few years, first aid guidance gets an update. Not because the old advice was “wrong”, but because we learn more, spot patterns & get better at understanding what actually helps people survive.
The 2025 UK First Aid and Adult Basic Life Support (BLS) guidelines (which came into effect in January 2026) do exactly that.
They don’t add complexity. They strip hesitation away.
The big theme running through the updates is simple:
Act earlier, call for help sooner, and don’t let uncertainty stop you.
If you’re a workplace first aider, a manager, a parent, a coach, or just a responsible human who hopes they’ll never need to use first aid but wants to be ready, this guide is for you.
I’ll walk you through what’s changed, what hasn’t, and what you should actually do if it’s real life and not a classroom scenario.
The Resuscitation Council UK guidelines set the benchmark for first aid and CPR across the UK. They shape:
The 2025 update focuses heavily on early recognition, faster action, and removing barriers. Less overthinking. More doing the right thing, quickly.
This is the one change people notice straight away.
If someone is unresponsive, you call 999 immediately.
That comes before checking for breathing.
Why the change?
Because emergency call handlers are exceptionally good at helping you recognise cardiac arrest, including the confusing bits like abnormal breathing, getting them involved early saves time, and time saves lives.
If you’re on your own, put your phone on speaker. If there’s someone with you, get them calling while you start your checks.
Unresponsive = call 999. No debating it. No waiting.
One of the hardest parts of first aid is deciding whether breathing is normal.
The 2025 guidance is very clear about this. Abnormal breathing counts as not breathing normally.
That includes:
If someone is unresponsive and breathing doesn’t look right, assume cardiac arrest and start CPR.
If you’re unsure, start CPR anyway. The risk of serious harm from CPR when it isn’t needed is low. The risk of doing nothing is not.
CPR basics that haven’t changed (because they work)
Some things stay the same because they save lives.
High-quality chest compressions are still the priority:
If you’re trained and willing, CPR is 30 compressions to 2 rescue breaths.
If you’re not trained, not confident, or can’t do breaths, hands-only CPR is absolutely encouraged. Start compressions and keep going until help arrives or the AED tells you to stop.
Defibrillators save lives. They’re designed to be used by ordinary people, under pressure, with no medical background.
The guidance keeps reinforcing the same message: early defibrillation matters.
Adjust or remove clothing as needed, but do not delay defibrillation because you’re worried about modesty. Saving a life comes first.
Adult vs child pad placement
If the pads don’t fit side by side on a child’s chest, the front and back are the safe option.
The 2025 guidelines update the chain of survival to reflect what really improves outcomes.
The links now emphasise:
Survival isn’t just about restarting the heart. It’s about what happens next.
The primary survey has been updated to put life-threatening bleeding front and centre.
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If someone is bleeding heavily, you deal with that before moving on. Bleeding kills quickly, and this update reflects that reality.
The guidance reinforces early adrenaline and removes hesitation.
A newer option, adrenaline nasal spray (brand name is Neffy), is now recognised as an alternative when prescribed.
If in doubt, treat it as anaphylaxis. Delaying adrenaline administration is far riskier than giving it.
For people prescribed a MART inhaler (combined reliever and preventer), the guidance now supports:
As always, if symptoms don’t improve or worsen, call 999.
The guidelines now clearly define:
If you’re paediatric-trained, you can use:
If you’re not trained, you can still use the adult sequence with 5 initial breaths first. Doing something is always better than doing nothing.
A short but important call-out
For the first time, the UK first aid guidance includes:
This matters. First aiders are human, not robots. Checking in after a difficult incident isn’t a “nice extra”. It’s good practice.
If you’re responsible for health and safety, these updates are a nudge to check that your systems match reality.
Training isn’t about ticking a box. It’s about knowing what to do when your brain is racing and your hands are shaking.
If you want first aid training that reflects the 2025 UK guidelines, real-world scenarios, and how people actually behave under pressure, these courses cover it:
We deliver training across Greater Manchester, the North West, and UK-wide, with content tailored to your setting rather than a one-size-fits-all slideshow.
The 2025 first aid updates don’t expect you to be perfect.
They expect you to act.
Call earlier. Start sooner. Use the kit. Trust yourself enough to step in.
That’s how lives are saved.
This article is intended for general overview and educational purposes only and reflects first aid guidance available at the time of writing. First aid practices, techniques and recommendations should always be applied in line with the latest official guidance, your organisation’s policies and any regulatory requirements relevant to your workplace or setting. Nothing in this article replaces formal first aid training, professional advice, or individual risk assessment.
Contact us to explore what training support is best for you right now. or fill in the form below and I’ll be in touch.