Diseases & Conditions

What is toasted skin syndrome?

Ask the doctor

By , Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor
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Cropped image of a woman's legs showing a red rash on the sides.I use a heated blanket on my legs every night to fend off the winter chill. But I’ve noticed a strange rash developing just on the areas it touches. What’s going on?

The level of heat that triggers the rash isn’t high enough to burn you, but it can dilate superficial blood vessels under the skin. That’s what causes the skin to discolor over time. How do you treat it? Lower the setting of your electric blanket or heating pad, or limit how long you use it. If your laptop is the problem, place a lap desk or other buffer between it and your skin. The rash should fade over weeks. If it doesn’t, see your doctor.

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About the Author

photo of Toni Golen, MD

Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor

Dr. Toni Golen is a physician specializing in obstetrics and gynecology, practicing in Boston. Dr. Golen completed her residency training at George Washington University Medical Center in 1995, and is an associate professor at Harvard Medical … See Full Bio
View all posts by Toni Golen, MD
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