Carbon Monoxide Poisoning: The Silent Killer in Your Home - Recognise the Signs and Save a Life
Carbon Monoxide: The Silent Killer - Spot the Signs

Carbon monoxide (CO) is a deadly, odourless gas that claims lives and causes serious illness across the UK every year. Dubbed the 'silent killer,' its symptoms are notoriously easy to mistake for common ailments like flu or food poisoning, making awareness your first and most powerful line of defence.

The Invisible Danger: What Makes Carbon Monoxide So Lethal?

This poisonous gas is produced when fuels such as gas, oil, coal, and wood do not burn fully. Faulty or poorly ventilated boilers, gas fires, cookers, and even blocked chimneys can turn your home into a death trap. Because you can't see, smell, or taste it, carbon monoxide can build up to dangerous levels without any warning.

CRITICAL WARNING SIGNS: Don't Mistake This For Flu

Recognising the symptoms is crucial for survival. The key signs of carbon monoxide poisoning include:

  • A tension-type headache that won't subside.
  • Dizziness and nausea (feeling sick).
  • Vomiting and stomach pain.
  • Tiredness and confusion.
  • Shortness of breath and difficulty breathing.

The major red flag? Symptoms appear when you are at home but seem to improve when you leave the property. If multiple people or even pets in the household suddenly fall ill with similar signs, act immediately.

Emergency Action: What to Do If You Suspect CO Poisoning

Suspecting an attack from the silent killer requires swift, decisive action. Follow these steps:

  1. STOP using all fuel-burning appliances immediately.
  2. OPEN all doors and windows to ventilate the area.
  3. EVACUATE the property and get everyone into fresh air.
  4. CALL THE GAS EMERGENCY NUMBER 0800 111 999 if you smell gas or suspect a leak from a gas appliance.
  5. SEEK IMMEDIATE MEDICAL HELP. Go to your nearest A&E or call 999. Inform medics you suspect CO poisoning; a simple blood test can confirm it.

Prevention is Protection: How to Guard Your Home

Proactive measures are the only way to ensure safety. Health and safety experts mandate these essential steps:

  • Install an Audible Carbon Monoxide Alarm: This is your most important defence. Place it in every room with a fuel-burning appliance and test it regularly.
  • Annual Servicing: Have all gas appliances, boilers, and chimneys serviced annually by a registered and qualified engineer (e.g., Gas Safe Register for gas).
  • Ensure Good Ventilation: Never block air vents and ensure rooms are well-ventilated when using appliances.

Do not ignore the warning signs. This invisible threat is a matter of life and death. Equip your home, educate your family, and stay safe from this preventable tragedy.