St John Ambulance has issued a festive safety appeal as households across Surrey and Hampshire decorate their homes and gather for Christmas.

Associate clinical director Sue Hampshire said the charity wants people to enjoy the celebrations while staying alert to the seasonal risks that lead to thousands of preventable accidents each year.

“The festive period is a joyful time and St John Ambulance wants everyone to enjoy themselves wherever they are,” she said.

“However, we also want people to stay safe and to be aware of potential hazards – from DIY decorations and crowded gatherings to excessive eating and drinking, as well as the risks of choking and trips caused by small items or toys.”

The charity warns that Christmas is the busiest time of year for fire-related incidents, with candles a major cause. It advises never leaving candles unattended, always extinguishing them before bed and keeping them in non-plastic holders well away from flammable materials. LED candles are recommended where possible, particularly in homes with children or elderly residents.

In the event of a burn, people are advised to cool the injury under cool running water for at least 20 minutes or until the pain eases. Severe burns require immediate medical attention, while minor burns should be covered with kitchen film and blisters left intact.

Fairy lights also pose a serious risk if damaged or used incorrectly. St John Ambulance urges households to check cables carefully before switching lights on and to ensure outdoor lights are rated for exterior use. If someone suffers an electric shock, they must not be touched until the power source has been switched off or the plug removed. If it is safe to do so, insulating materials such as a plastic mat or wooden object can be used to move the casualty away from the source.

If a person stops breathing after an electric shock, emergency services should be called immediately. Chest compressions should begin straight away, with hands placed at the centre of the chest and compressions delivered at a steady pace of 100 to 120 per minute. Those who are trained can add rescue breaths, though continuous compressions alone can be lifesaving.

Trips and choking hazards from toys and loose batteries are another common cause of festive injuries. Floors should be kept clear and toys checked to ensure they are suitable for a child’s age. If someone is choking, they should be encouraged to cough. If the blockage does not clear, back blows and abdominal thrusts should be given while waiting for emergency help. If the casualty becomes unresponsive, CPR should begin immediately.

St John Ambulance also issued advice on recognising and responding to anaphylactic shock, a severe allergic reaction that can be fatal. Symptoms include difficulty breathing, swelling of the face or throat, and a sudden drop in blood pressure. Anyone suspected of suffering anaphylaxis should be treated as an emergency. If the casualty carries an adrenaline auto-injector such as an EpiPen, it should be used straight away, pressed firmly against the outer thigh through clothing if necessary. If there is no improvement and a second injector is available, a further dose can be given after five minutes while waiting for paramedics.

The charity said basic first aid knowledge can make the difference between life and death during the festive period, when ambulance services are under extreme pressure.

More information on first aid training and festive safety advice is available at www.sja.org.uk.