Statement from the interim Chief Medical Officer on hot weather health risks

The exceptionally warm weather we are experiencing at the moment is a time for us all to enjoy being outside, but I would encourage people to take extra care when in the sun over the coming days.

Look out for others around you, especially individuals who may be more vulnerable to the effects of heat such as older people, young children and babies.

Be SunSmart

regularly and liberally apply sunscreen that has a sun protection factor of at least 30+ for adults and 50+ for children
stay out of direct sunlight for prolonged periods as much as possible during the day, especially between the hours of 11am to 3pm when UV is strongest
wear light and loose-fitting clothing that covers your skin, wear a hat and sunglasses
make sure you have enough water to drink; an adult needs approximate 2 litres of liquid over 24 hours
other risks to be mindful of during this spell of hot weather are heat exhaustion and heat stroke

Heat exhaustion is not usually serious if you can cool down within 30 minutes. Signs of heat exhaustion include headache, dizziness and confusion, loss of appetite and feeling sick, fast breathing or pulse, high temperature of 38C or above and being very thirsty.

If not treated this can lead to heatstroke, which means the body is no longer able to cool itself down and this needs to be treated as an emergency.

If you feel unwell, or you or your children display any of the above symptoms immediately move to a cool place, rest and hydrate. If needed, seek medical attention.

How to keep cool:

minimise unnecessary heating - turn off central heating, electrical equipment and lights that are not needed
use natural ventilation such as open windows when the air feels cooler outside than inside (for example, at night) and where it is safe, secure and feasible to do so. Increase air flow through buildings wherever possible
evaporative cooling – dampening your skin may help keep you cool
if you are using air conditioning, make sure it is using a fresh air supply, which is important to prevent spread of COVID-19
electric fans need to be used with caution, as they may not be safe for higher temperatures and should not be used where a person may be incubating or a case of COVID-19

If you go swimming be cautious and remember the rules below:

swim with others, never alone
supervise children at all times
don’t stay in the water too long
wear a lifejacket when boating
swim close and parallel to shore
never swim after drifting objects
beware of hidden hazards and currents
swim between flags and be sure to know your flags at the beach or lake
if you or anyone else is struggling contact the emergency services immediately by calling 112 or 999

More information on being SunSmart, along with Sun Safety information for babies and children is available on HSE.ie.

Statement from the interim Chief Medical Officer on hot weather health risks

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