Babies have soft, sensitive skin that is readily prone to irritation and skin rashes, especially during the summer season and humid climates. And one of the common skin issues in babies is prickly heat, also known as heat rash or miliaria. Generally, the body temperature of babies and kids is higher than adults. Although it is not harmful, but can be distressing for the baby and worrying for the parents.

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Read this article to get an overview of what causes prickly heat, how to identify it, and the most effective ways to treat it safely at home.

Also Read: Here's Everything You Need To Know About Babies And Skin Rashes

What Is Prickly Heat?

Prickly heat can develop in babies when their sweat glands become clogged, thereby trapping sweat beneath the skin. This leads to tiny red or pink bumps, mostly associated with itching or a prickling sensation. The rash usually appears in regions where sweat accumulates, like the neck, chest, back, armpits, and diaper area.

Causes of Prickly Heat in Newborns

Numerous factors can trigger heat rash in newborns, including:

Hot and humid climates result in excessive sweating and blocked sweat glands.

Covering babies with thick bed covers.

Wearing tight-fitting or synthetic clothes that don’t allow the skin to breathe.

Underdeveloped sweat glands in newborns clog easily.

Symptoms

Small red or pink bumps

Tiny fluid-filled blisters

Itchiness

Affected skin areas feel warm or inflamed

Rashes typically develop in skin folds

Also Read: Also Read: Hives: Signs, Symptoms And Treatment

Effective Home Remedies for Prickly Heat

Prickly heat is usually mild and settles within a few days. Here are safe and effective home remedies:

Keep the Baby Cool

Dress your baby in loose, breathable cotton clothing and avoid too many layers. Keep the room well-ventilated or use a fan to let air flow

Cool Water Baths

Give a bath to the baby twice a day using lukewarm water

Avoid using harsh soap on the rash area; use water or a mild baby cleanser

Aloe Vera Gel

The natural cooling action of aloe vera gel is effective in soothing irritation and redness in the skin. Always use fresh and pure aloe vera gel for babies to calm irritated skin.

Use Breast Milk

Breast milk is endowed with natural anti-inflammatory and healing qualities. Gently apply a few drops of breast milk on the rashes.

Oatmeal Bath

Use finely ground colloidal oatmeal and mix it with lukewarm bath water, then smear it gently all over the body. Colloidal oatmeal is best known for soothing itchiness and easing skin inflammation.

Avoid Powders and Oils

Talcum powders and heavy oils can clog pores; hence, it is best to avoid using them.

Use fragrance-free cornstarch-based powders, as advised by your doctor

When to Seek Medical Help?

Consult your paediatrician if:

The rash doesn’t improve within 3–4 days.

You notice pus, crusting, or swelling.

Your baby develops a fever or appears unusually uncomfortable.

Conclusion

Prickly heat in newborns is common and usually not serious, but it can cause your baby discomfort. The good news is that with a few simple, natural remedies and proper skin care, you can help soothe the rash and prevent it from returning.

Frequently Asked Questions

How To Treat Prickly Heat In Babies?

To treat prickly heat in babies:

Keep the baby cool and avoid overheating.

Dress them in loose, breathable cotton clothes.

Give cool baths or gently sponge the skin with lukewarm water.

Use natural soothing agents like aloe vera or breast milk on the rash.

Avoid creams, powders, or oils that can block pores unless recommended by a paediatrician.

Can Breast Milk Heal A Heat Rash?

Yes, breast milk can help soothe and heal mild heat rash in babies. It contains antibodies and natural anti-inflammatory properties that may reduce irritation and promote healing. Gently dab a few drops of breast milk on the affected area and let it air dry.

Is Coconut Oil Good For Heat Rash?

Coconut oil is safe for baby skincare, but it should be used with caution for heat rash. While it has antibacterial and moisturising properties, it is also oily and may block sweat ducts, potentially making prickly heat worse. Use it only on dry, healing skin, and avoid applying it to fresh, sweaty, or inflamed rashes.

Explain Allergic Reaction Vs. Heat Rash In Babies?

Heat rash typically appears as tiny red or pink bumps in areas where one sweats (neck, back, armpits) and is caused by blocked sweat glands.

An allergic reaction, however, may include:

Raised hives or welts

Itching across the body

Swelling or breathing issues (in severe cases)

If the rash is spreading quickly, looks unusual, or your baby shows signs of distress, consult a paediatrician immediately.

Which Powder Is Best For Heat Rash In Babies?

Avoid talcum or scented powders, as they can block pores and worsen the rash. If you use powder, choose a fragrance-free, cornstarch-based baby powder and apply very sparingly. Always check with your paediatrician before applying any powder or medicated product.

(This article is reviewed by Kalyani Krishna, Chief Content Editor)

Author Profile:

M Sowmya Binu:

With over 15 years of expertise and a Postgraduate degree in Nutrition, M Sowmya Binu is a seasoned professional in the field of nutrition. Specialising in tailoring personalised diet plans, she underscores the significance of a balanced approach to health, emphasising the integration of medication with dietary intake for holistic wellness. Passionate about equipping individuals with knowledge to make informed decisions, Sowmya adeptly develops insightful content encompassing a wide array of topics including food, nutrition, supplements, and overall health.

References:

Evaluation of safety and efficacy of prickly heat baby powder in 0-36 months babies

Mohit Poddar1, Sachin Bhargava2, Mukund Sangamnerkar3, Rajesh Kumawat4*

Miliaria

Karla C. Guerra; Alicia Toncar; Karthik Krishnamurthy.

https://www.ncbi.nlm.nih.gov/books/NBK537176/