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Mysterious Phenomenon

Laptops Can Leave Painful Marks on the Skin

A young man with red hair sits in a modern waiting room on a chair. A laptop rests on his lap, and he is typing on its keyboard. He is wearing headphones and is fully focused on the screen.
This Laptop Habit Can Have Consequences Photo: Getty Images

by Giselle Pomplun

A boy from the United Kingdom developed mysterious skin changes on his abdomen. Doctors discovered the cause only after several examinations, and it should serve as a warning to many laptop users.

Mysterious Spots Possible from Harmful Laptops

With bluish, net-like spots on his abdomen, the boy was examined in a British hospital. The doctors were initially baffled. The changes resembled bruises or internal injuries, but neither blood tests nor ultrasound examinations provided clues to a cause. Since there were no other complaints, the boy was initially sent home.

Net-like skin changes on the abdomen during the first examination
Net-like skin changes on the abdomen during the first examination
Net-like skin changes on the abdomen during the second examination
Net-like skin changes on the abdomen during the second examination

Two weeks later, however, he reappeared in the emergency room. The spots had darkened, the skin was painful, and began to peel in places. The solution to the mystery was surprisingly simple: The boy used his laptop daily for many hours directly on his bare abdomen. He initially considered the noticeable heating of the device unproblematic.

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Why Doctors Warn

For the doctors, the cause was found. As reported by the science platform Scimex, they diagnosed the so-called “Toasted Skin Syndrome,” known in medicine as Erythema ab igne. The skin damage occurs when the same body area is repeatedly exposed to heat over a long period. Temperatures between 43 and 47 degrees Celsius are particularly critical.

Also interesting: This is why smartphones should be protected from overheating

The heat damages surface-level blood vessels and causes the typical net-like pattern on the skin. Previously, this condition mainly appeared in people who regularly used hot water bottles or heating pads. Nowadays, doctors also observe such cases in connection with electronic devices.

Simple Solution Available

There is good news for those affected. In many cases, it is enough to remove the heat source. In the boy’s case, the skin changes disappeared completely after he stopped using the laptop directly on his body. No elaborate treatment was necessary.

Doctors therefore advise using laptops on a table or at least on an insulating surface. Permanent damage is rare, but not impossible with years of heat exposure. This unusual case shows that even everyday technology can have unexpected effects on our health.

This article is a machine translation of the original German version of TECHBOOK and has been reviewed for accuracy and quality by a native speaker. For feedback, please contact us at info@techbook.de.

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