Tell-tale sign you've been using a hot water bottle too long - and grim result

10 January 2024 , 11:05

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Using a hot water bottle can carry a risk (Image: Getty Images/iStockphoto)

As the temperatures plummet - with snow, , and - a hot water bottle is a January must-have. But doctors have warned that old hot water bottles may come with health risks, and to test out yours before using it this winter.

Speaking on ITV ’s Lorraine, GP - known as Dr Amir - explained that hot water bottles can cause a skin condition called "erythema ab igne” if pressed too close to the skin, and that old, worn-out ones could even cause burns.

“You can get a rash with hot water bottles if you apply them to your skin for a long period,” the doctor explained.

Dr Amir warned that hot water bottles can cause a “wavy, red rash” on your skin if pressed too close, which can also cause a change in pigmentation, along with mild itchiness and a burning sensation in some people.

“I see this quite a lot - it’s got a bit of a posh word, it’s called erythema ab igne or the hot water bottle rash,” he said on Lorraine.

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“It does fade after time if you take the hot water bottle away, but it does look quite serious when you have it.”

Dr Amir also explained that people should check their hot water bottles before using them if they’re getting a bit old, as worn-out rubber can cause "severe burns” if the hot water bottle bursts.

“If it’s an old one you haven’t used for ages, fill it up first and give it a good squeeze, because you need to make sure it’s in a good condition,” he said.

Experts have previously issued guidance that , and that people should consider buying themselves a new one after this time to avoid accidents.

Consumer expert Alice Beer said: “Half of hot water bottle injuries need skin grafts and surgeries. These are not surface burns, these go deep.”

She added that there is a “daisy wheel date” printed on hot water bottles that can indicate when it was manufactured, which people should pay attention to if theirs is becoming worn.

Emily Chudy