Families are being warned to watch out for one surprising sign during the UK’s incoming heatwave that could indicate an older relative is struggling with dementia.
With temperatures expected to climb across parts of Britain this bank holiday weekend, experts say older people are at greater risk of overheating and dehydration – particularly those living with memory problems.
But one lesser-known warning sign families are being urged not to ignore is if an elderly loved one starts wearing thick jumpers or heavy clothing despite the hot weather.
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According to dementia expert Jo Crossland, Head of Dementia and Lifestyle at Care UK, confusion around dressing appropriately for the temperature can sometimes be an early sign of cognitive decline.
Jo said: “If an older relative puts on a thick jumper or heavy layers in the middle of a heatwave, it could be a sign they’re misjudging temperature – something that can happen if a person has problems with their thyroid gland or could even be an early indicator of dementia.
“It is not uncommon for people with memory problems to become confused about the right clothes to wear for the weather, failing to recognise how warm it really is.”
She warned that wearing thick clothing during very warm weather can quickly increase the risk of overheating and dehydration.
The warning comes as forecasters predict temperatures could soar well above seasonal averages across parts of the UK over the coming days, with millions expected to head outdoors for BBQs, beach trips and bank holiday gatherings.
Jo also said some symptoms of heat exhaustion and heatstroke can easily be mistaken for worsening dementia.
These include sudden confusion, dizziness, rapid breathing and increased falls caused by dehydration or drops in blood pressure.
She explained: “Heat exhaustion and heatstroke can cause disorientation, lack of coordination and increased confusion, symptoms that can appear very similar to the progression of dementia.
“However, heatstroke will cause a far more rapid deterioration.”
The expert also warned that people living with dementia may not recognise when they are thirsty or overheating.
“When the weather becomes very warm, an older person living with dementia can be at greater risk of dehydration, as the part of the brain that prompts us to drink when we feel thirsty may not be functioning as well,” she said.
“This means individuals may not recognise they are thirsty or be able to communicate that they feel unwell – even in high temperatures.”
Jo said symptoms of dehydration and overheating can come on quickly.
Warning signs include increased confusion, headaches, dizziness, dry skin and darker urine with a stronger smell.
To reduce risks during hot weather, Care UK advises families to encourage regular drinking, keep homes cool by shutting curtains during the day and opening windows later in the evening, and avoid going outside during the hottest hours between 11am and 3pm.
Jo added: “Supporting someone to dress appropriately for the weather, alongside encouraging regular drinks, can make a significant difference in keeping them safe and comfortable.”
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