Heat Rash (Prickly Heat) in Babies: Symptoms, Prevention & More – The smarT Head Start – smarTrike Blog

Heat Rash (Prickly Heat) in Babies: Symptoms, Prevention & More

Tatiana Kopyrina - Writer for smarTrike
By Tatiana Kopyrina
Davor Štefanović - Editor for smarTrike
Edited by Davor Štefanović

Updated June 6, 2023.

A man pushing a shaded stroller, protecting his baby from heat and heat rash

As summer approaches, the promise of warm weather brings both excitement and certain challenges, especially for our little ones. One such challenge is heat rash, otherwise known as prickly heat or miliaria, a common condition in babies.

Heat rash is a skin irritation caused by blocked sweat ducts, which create small red bumps or blisters on the skin. Infants are particularly susceptible due to their immature sweat ducts. While typically harmless and self-resolving, it's crucial for caregivers to recognize heat rash symptoms and understand how to alleviate them.

Let's go over all you need to know about heat rash in babies, including the best strategies to avoid and manage it.

Causes of Heat Rash in Babies

Several factors can contribute to the development of heat rash. Firstly, a baby's immature sweat glands can retain perspiration, leading to blocked sweat ducts and small, irritating pimples. Also, newborns' skin sensitivity makes them susceptible to rashes, with heat and friction exacerbating the issue. Overdressing or the use of tight clothing can obstruct airflow, trapping heat and increasing the risk of heat rash.

Did You Know?

Infants' sweat glands are not fully developed, which can lead to sweat retention and heat rash.

Symptoms of Heat Rash in Babies

Recognising the symptoms of heat rash in babies is critical to tackling the problem as soon as possible. So what does a heat rash look like on a baby's skin? Heat rash often appears as red skin with tiny red bumps or little water blisters in skin folds such as the neck, armpits or diaper area. These bumpy or blister-like forms may irritate, itch, and produce prickly pain in your youngster, causing restlessness and difficulty sleeping.

You may be wondering how long a heat rash on an infant lasts. In most situations, the symptoms of heat rash disappear after 2-3 days. The rash usually goes away in this period with good care and control. Nevertheless, more severe episodes of heat rash can linger for weeks without treatment. If you discover that your baby's heat rash isn't improving or appears to be getting worse, contact the paediatrician who treated your child for advice and further assessment.

» Here are 5 fun outdoor activities to enjoy with your toddler

How To Treat Heat Rash in Babies

When it comes to treating heat rash on your infant, it's vital to realise that it usually doesn't need any special medical treatment. However, there are various ways you may do this at home to give comfort and assist your child in healing.

  • Avoid applying oils, lotions, or powders to the afflicted areas. These products could block the sweat ducts even more, exacerbating the heat rash. Choose breathable textiles instead, and keep the afflicted regions clean and dry.
  • Allowing your kid to be naked or dressing them in loose-fitting, lightweight clothing will help minimise irritation caused by clothing rubbing against the rash. Air circulation and free movement can help with recovery.
  • Consult your paediatrician about using an anti-itch cream to give temporary relief from itching and discomfort. However, it is critical to follow your paediatrician's advice and suggestions while using such items on your baby's sensitive skin.
  • Layering clothing can trap heat and moisture, causing heat rash to persist. So, choose lightweight, breathable clothing for your infant and avoid unnecessary layering.
  • It is critical for your baby's healing to have a cool and comfy resting environment. Maintain an adequate room temperature and prevent excessive heat or humidity.
  • A lukewarm bath might give relaxing comfort to your infant. After bathing, pat your baby's skin dry gently rather than rubbing it since excessive friction can irritate the problem.

While these home treatments can help relieve the discomfort of heat rash, it's always a good idea to contact the paediatrician for personalised advice and assistance tailored to your baby's individual requirements.

» Here's how you can spot the signs your baby is overheating

How To Prevent Heat Rash in Babies

Preventing prickly heat in infants is critical to keeping their little ones comfortable and happy in hot weather.

First of all, choose the right clothes for your bundle of joy. Choose lightweight, single-layer clothing made from breathable fabrics such as soft cotton. These materials allow air to circulate and prevent excessive sweating, reducing the risk of annoying heat rashes.

When it's hot outside, look for cool, air-conditioned places to hang out with your baby. Creating a comfortable environment with a pleasant temperature goes a long way in preventing heat rash and keeping your baby cool and cosy.

Make your child's bed cool and comfortable. Use breathable bedding and consider using a fan or having the room well-ventilated.

Limit your child's exposure to the sun during peak hours when temperatures are at their highest. Seek shade, schedule outdoor activities during cooler times of the day, and make sure your little one stays hydrated.

When you're on the road, it's important not to keep your baby in a car seat, carrier, or stroller for long periods of time, especially when it's hot outside. These spaces can trap heat and obstruct airflow, leading to increased sweating and a higher risk of heat rash.

By following these simple yet effective tips, parents can greatly reduce the chances of their precious little ones getting prickly heat.

Keep in Mind!

Even mild dehydration can contribute to heat rash. Ensure your baby stays well-hydrated, particularly in warm weather.

Enjoy a Sun-Safe Summer

Protecting your baby from heat rash is achievable with awareness and preventative measures. However, if you're looking for products that aid in preventing heat rash, consider the SmarTrike x Kelly Anna stroller trike for your summer outings. Suitable for babies as young as 6 months, this device combines convenience and comfort. Its baby leg rest and sun canopy make it an ideal accessory for sun-safe

smarTrike x Kelly Anna STR7 Stroller Trike

4.8/5(101 reviews)