Heat rash: How to spot it and what to do
An uncomfortable heat rash may signal your body needs a chance to cool down before other heat-related illnesses take hold.
The first two weeks of July were the Earth’s hottest on human record, and people across the country continue to suffer from lingering, suffocating heat waves. The US Centers for Disease Control and Prevention has issued repeated warnings and tips about recognizing and preventing heat-related illnesses, like heat stroke, heat exhaustion, and heat cramps.
But one heat-related illness that people do not always recognize.
“Heat rash can indicate that your exposure to excessive heat could lead to other serious heat-related issues, if not addressed,” says a dermatologist with Harvard-affiliated Brigham and Women’s Hospital. “While is not dangerous in itself, sustained exposure to high can lead to exhaustion and heat stroke, so it’s important to note any early signs that your body is struggling with the heat.”
What are the signs of heat rash?
Heat rash is also known miliaria or prickly heat. It is caused when ducts from eccrine sweat glands. That lead to the skin’s surface block or inflamed.
Eccrine sweat glands help your หากคุณสนใจเล่นพนันออนไลน์ที่ดีที่สุด สามารถสมัครสมาชิก UFABET ได้ที่นี่ พร้อมรับโปรโมชั่นพิเศษสำหรับสมาชิกใหม่ body maintain a steady temperature. When your internal temperature rises, these glands release water that rises to the surface of your skin through tiny ducts. There, it quickly evaporates, cooling your skin and the blood beneath.
However, sweat ducts may get blocked when you sweat excessively in hot temperatures, particularly. If skin folds or tight-fitting clothes hinder their function.
Sweat is then trap beneath the skin. This triggers inflammation. Which leads to the appearance of small, itchy red bumps, similar to tiny pimples or blisters. In people with darker skin tones, these small, itchy bumps may not appear red, but will look slightly darker than surrounding skin.
Where and when likely to occur?
Heat rash can appear on the neck, scalp, chest, groin, or elbow creases.
“Heat rash can occur any time the body sweats. So it is common in hot, humid climates, during hospitalizations, from fever, and during exercise,”
Also can occur in newborns. Their eccrine sweat glands not fully developed. In newborns, heat rash looks like very thin blisters or water drops widely distributed on the face, trunk, arms, and legs. Call your pediatrician for advice if you notice a rash like this.