Parenting Babycare

What Causes Prickly Heat Rash In Your Baby - Symptoms and Treatments

Ambili S Kartha
0 to 1 years

Created by Ambili S Kartha
Updated on Jun 02, 2020

What Causes Prickly Heat Rash In Your Baby Symptoms and Treatments
Reviewed by Expert panel

It's summertime and it's not unusual different blotches and rashes appear on your baby's body. The appearance of heat rash also called prickly heat or summer rash during hot, humid weather, is not a serious issue and usually clears on its own after a few days. Therefore, not get panic if your child develops this nasty rash on his or her tender baby soft skin. There are several home remedies and a few simple tactics to bring down the itching and spreading of heat rash. Let's try to understand some details of causes, signs and treating heat rash in babies.

What Is A Baby Heat Rash?

Heat rash or prickly heat in baby's and toddlers is nothing but bright red pimply rashes sometimes even blisters that appear when your child overheats in hot and humid weather. Children, especially new born babies are more prone to heat rashes as their sweat glands are still in developing stage. Heat rashes are the sign that the baby is too warm. Remember before the babies reach 3 months old they will not able to regulate their body temperature. Therefore, actually heat rash is a warning sign that indicates to take necessary measures against overheating.

What Is The Cause Of Heat Rash?

Simply put, heat causes heat rashes. Heat rash or miliaria develops when your baby sweats too much. Due to profuse sweating, baby's pores clogged and sweat get trapped inside the skin will affect the surrounding tissue developing rashes and itchy blisters. As already mentioned babies and young children are more prone to heat rash because they have smaller pores than adults. Any of the following that triggers heavy sweating can result in heat rash in babies,

  • High temperature
  • Overdressing
  • Running around or playing physically exerting games in hot weather
  • Over application of lotions and creams

Even though hot, humid weather is a season of heat rash, your baby can develop heat rash in winter as well

  • If your baby wears too many layers of clothing
  • Whenever she or he contracts a fever
  • Applying winter ointments that may clog the sweat pores

In Which Part Of The Body Baby Heat Rash Appear?

If your baby has heat rash, you'll most likely see it in the folds of his skin and on the parts of his body where his clothing fits tightly causing friction. Usually, heat rashes in babies appear in the neck folds, armpits, elbow creases, buttocks, and groin. It also appears on chest and stomach. If the baby often wears a hat, the rash appears on his scalp or forehead.

What Are The Heat Rash Symptoms In Babies?

Here are the signs of heat rash in babies

  • Red bumps on the skin where there is less air circulation due to tight clothing and in skin folds
  • It can appear as clear, fluid-filled blisters and bumps in mild cases
  • Heat rash can be prickly or itchy when the deeper layer of skin is affected
  • Intense and excessive scratching can make the heat rash inflamed

How Does Heat Rash In Babies Differ From Eczema?

Both heat rash and eczema can be triggered by heat and aggravate during the summertime. Both will appear reddish and appear on the same parts of the body parts mentioned above. Yet, you can differentiate heat rash and baby eczema.

  • Heat rash is uneven, can be itchy with the blister-like gash. On the other hand, baby eczema appears as raised itchy patches
  • Heavier moisturizing ointments will make baby eczema get better, whereas it aggravates heat rash

When To See The Doctor If The Baby Contract Heat Rash?

Heat rash should usually go away as soon as the skin has had the opportunity to cool down (within 5 days maximum). You should consider taking the child to his doctor if,

  • The rash shows no signs of getting better even after ensuring proper air circulation and giving an opportunity to cool down the baby's body
  • The heat rash shows signs of infection (pus) and pain
  • The baby develops a fever

How To Treat Heat Rash In Babies?

As already mentioned most often heat rash in babies will clear up on its own in a few days if the affected area is kept cool and dry without any treatment. Heat rash treatment in babies includes:

  • Cooling the skin with cold, wet flannels
  • Use a hand fan to dry and cool him off, rather than rubbing him with a towel
  • You can liberally use calamine lotion to bring down the itching of the heat rash
  • Don't rub any ointments or lotions (OTC) on him without your child's doctor's direction as this can block the sweat glands and aggravate the issue
  • If the child shows signs that heat rash is getting painful, the doctor will prescribe some topical medicines and method to use it

What Are The Home Remedies For Prickly Heat In Babies?

  • Bathing multiple times a day in cool water (not cold water) is a good remedy for prickly heat so that the body cools faster and the rash subsides
  • Staying in an air-conditioned room can help to bring down stinging sensation of prickly heat in babies
  • Aloe Vera is famous for its soothing and anti-inflammatory properties. These qualities make it a perfect remedy for prickly heat. Apply Aloe Vera gel on the affected skin. Leave for twenty minutes and then remove it gently with a soft towel
  • Applying cucumber paste over the heat rash also gives a cooling effect

How To Prevent Prickly Heat Rash In Babies?

  • Give the baby nappy-free time
  • Avoid tight-fitting clothes
  • Use a soft cotton sheet to cover your baby while he sleeps
  • Breastfeed baby to keep him well hydrated. For older ones encourage to drink more water
  • Ensure good air circulation in baby's room
  • Avoid oil-based creams and lotions during summer
  • While taking the baby out in a pushchair, make sure you always take the shady route
  • Avoid long period of being in (like sleeping) a baby carrier, pram or stroller
  • We agree swaddling is a great thing to help your baby sleep. However, avoid a full outfit of clothes with swaddling and too much swaddling as it can cause heat rash
  • Dress baby in loose cotton clothing that permit your baby's skin to "breathe."

Did you like the blog? Did you find it useful? Do share your thoughts with us in the comments below; we’d love to hear from you.

This content has been checked & validated by Doctors and Experts of the parentune Expert panel. Our panel consists of Neonatologist, Gynecologist, Peadiatrician, Nutritionist, Child Counselor, Education & Learning Expert, Physiotherapist, Learning disability Expert and Developmental Pead.

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| Apr 21, 2018


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| Apr 21, 2018


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| Apr 24, 2018

amazing tips. thanks for sharing.

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| Apr 29, 2018


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| May 03, 2018

kkkkkkkkkl eeweewiwkkwkekeJ4q1ti99o ,,,,,,,. cgyytyyyyyygyyyyy of our meeting tomorrow afternoon tea the only ones for any loss de Mayo I don't really like you

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| Aug 06, 2018

great help

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| Mar 07, 2019

my son gets a lot of heat rash even when he isn't hot... anyway, he gets dry skin on his for the head a lot and i found johnsons cream was making the redness brighter. where as when we used foderma serum his skin settled right away and the dry skin almost instantly goes.

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| Jun 02, 2019


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| Jun 26, 2019

thanks. its information help me very much.

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| Sep 19, 2019

Thanks ur information is very helpful for me

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| Dec 05, 2019

Mild heat or deep heat in infants and toddlers has nothing but red pimply rashes sometimes even the blisters that appear when your baby is hot in hot and cold weather. Babies, in particular newborns are more sensitive to rashes as the seventh of their sweat is still in the developmental stage. Warm rashes are a sign that the baby is too hot. Remember before the babies are 3 months old they will not be able to regulate their body temperature. Share a lot more about . Therefore, the boiler is in fact a warning sign that indicates taking necessary measures against overweight. In short, heat causes heat burns. Heat or fever develops when your baby is too hot. Because of the piercing sweat, the baby's gums and sweat glands will be trapped inside the skin and will affect the areas that develop rashes and blemishes As mentioned earlier babies and young children are sensitive more warmer because they have lower strengths than adults.

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| May 27, 2020


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| May 27, 2020

skajamsjes please do not promote your brand here.

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| Oct 02, 2021

Heat rash or miliaria develops when your baby sweats too much. Due to profuse sweating, baby's pores clogged and sweat get trapped inside the skin will affect the surrounding tissue developing rashes and itchy blisters. | Tree Trimming

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