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7 Things You Should Know about Baby Heat Rash

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Heat rash can be a miserable experience for your baby. While it’s best prevented, most cases are easily treated.

Here are a few things you should know about preventing and treating heat rash.

1. Blocked Sweat Ducts

Heat rash often occurs on baby where his or her clothing is tight against the skin. This is because sweat ducts become blocked and swelling occurs, then the clothes continue to irritate the area.

2. Too Much Clothing

Babies need to be clothed similarly to how you are clothed. Sometimes heat rash can be caused from the baby being too hot or from humid climates. This is not always the case, however. Heat rash can happen at any time of the year.

3. Could Be Friction

The friction of clothing on the skin could also create this kind of rash. Choosing soft, gentle clothing can reduce the risk of the baby developing an itchy rash. Also, choose natural fabrics like cotton that let skin breathe. The friction of skin-on-skin could also cause heat rash if Baby develops skin folds.

4. Medical Help Needed If Fever Develops

Baby heat rash rarely requires medical attention.

“But if it doesn’t go away after 3 or 4 days, or if it appears to be getting worse, or if your child develops a fever, contact your doctor right away.” WebMD

5. Tumbler Test To Indicate Something More Serious

“If you are worried about the rash, perform the “tumbler test” by pressing a glass onto the rash. If the rash does not disappear with pressure, seek urgent medical help.” Mom365

6. Severe Rash Can Develop Infection

It may be annoying and uncomfortable, but typically not too serious in the early stages. However, if it becomes more severe and raw, a rash can get infected leading to pus, fever, and swollen lymph nodes. If you see any of these symptoms, it is definitely time to see your pediatrician.

7. Let Baby Air Dry

Lotions can actually irritate baby’s skin further. So can towels. After washing Baby, allow Baby to air dry. Keep skin as dry and cool as possible while the heat rash heals.

Visit Healthline for more information about baby heat rash here.


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Lori Hil is a freelance blogger and content curator with an AAS in Early Childhood Education. She now gets to combine her love of writing and teaching through the written word. You can find her all around the web, but especially enjoying the freelance life at

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