How to Identify, Prevent and Cure Baby Heat Rash?

baby heat rash

Heat rashes are one of the many diseases that can occur to your baby. Although these are frivolous, the baby heat rashes can be extremely uncomfortable for your baby. Nearly half of the babies can be affected by the heat rashes, and these can ruin the soft, smooth texture of your baby’s skin.

To ensure that your baby is protected from these frivolous yet uncomfortable and irritating skin swellings, you should at first know what baby heat rashes are. Let’s find out!

What are Heat Rashes?

Heat rashes are an area of irritated or extensively swollen skin. The rashes mostly occur in the groin, neck, armpits, and shoulders, often spreading to the arms, legs and almost all parts of the body of the baby.

The rashes are quite itchy and reddish in color. These can be quite painful and very irritating to the babies. Along with the irritation, the rashes can cause nausea and dizziness. However, they’re not a serious disease and you’ll not have to worry much about them. The heat rashes can be treated very easily to reduce the swelling and itchiness.

Why do Heat Rashes Occur?

Heat rashes occur when the sweat pores get clogged and can’t excrete sweat. This phenomenon causes the sweat to be stored under the skin for longer periods of time. Our immunity system is then triggered by the sweat, and the white blood cells turn the sweat into a puss.

Heat rashes commonly take place when:

  • Dust and dirt clogs up the sweat pores
  • The weather is hot and humid
  • Wearing heavy clothing
  • Longer periods of bed rest
  • Using moisturizing lotion in warm weather conditions
  • Fevers, which causes the baby to sweat excessively

Common Heat Rashes that may Occur

There are quite a few different types of heat rash that can occur to your baby and it is crucial for you to identify them. This will reduce the effects of the heat rashes and relax your baby. Let’s have a look at the common types of heat rashes that may occur.

Miliaria Crystallina

Miliaria CrystallinaIt is one of common heat rash and is most prevalent in babies. It’s not severe and you’ll only notice some small clear or white bumps that are filled with puss. These bumps are tiny sweat bubbles that may burst very easily. Miliaria Crystallina doesn’t itch and isn’t uncomfortable – except for the swelling on the baby’s skin.

Miliaria Rubra

Miliaria RubraCommonly known as prickly heat, Miliaria Rubra is another common type of heat rash. This particular type of heat rash on a baby can be very itchy, which leads to the baby feeling very uncomfortable. It occurs deep inside the outer layer of the epidermis, which means that the swellings do not easily burst (unless they are completely filled with sweat).

Miliaria Profunda

Miliaria ProfundaMiliaria profunda is one of the severe forms of heat rash and it the least common variant. This particular type of heat rashes tends to stay for longer periods of time and takes place in the deeper layers of the skin. It causes larger and more robust bumps, which might get very itchy and uncomfortable.

How long do they last?

As we’ve mentioned previously, heat rashes are not a serious illness and you shouldn’t worry much about it. Within 3-4 days they will cure.

However, if the heat rashes persist, you should contact the doctor immediately. Other than that, you should call the doctor if:

  • Your baby develops fever or chills
  • Signs of dehydration in your baby
  • Not willing to eat food
  • Swelling of the puss increased redness (signs of infection)

How to prevent?

Until now, we’ve discussed all the different types of heat rashes, why they occur, how long they last and how to cure them. This might leave you thinking, isn’t there anything that you can do to prevent the heat rashes from occurring? Yes, there are quite a few ways in which you can prevent the heat rash from taking place. Let’s look into a few of the ways:

  • Avoiding hot and humid conditions
  • Avoiding using mineral oil-based products on heat rash baby
  • Avoid using soap
  • Skipping fragranced products
  • Dressing appropriately; cotton clothes during summer
  • Keeping the baby hydrated

How to cure?

How to cureHeat rashes are a widespread illness that occurs to most babies. These are not intimidating and will go away in 3-4 days, but may cause itchiness and severe discomfort to the baby. This is why you may try to cure the heat rashes.

Let’s look into a few true-and-tried things that can help you in getting rid of the baby heat rash:

  • Calendula
  • Oatmeal baths
  • Aloe Vera
  • Baking Soda
  • Cucumber
  • Coconut/olive oil
  • Chamomile


Babies have sensitive skin, which is why they’re increasingly prone to heat rashes. These heat rashes occur when something clogged the sweat pores. Thus sweats store under the skin, which forms the small swellings. Although these are not serious, these can be very itchy and can cause discomfort to the baby.

To cure these heat rashes, you must at first identify the rash and then apply home remedies that alleviate the rashes. You can use calendula, aloe vera, cucumber, and many other ingredients to get rid of the rashes easily.

We hope that this article covers up all the information about baby heat rash and why they occur. Make sure to consult a doctor if the rashes do not go away within 3-4 days of initial appearance.

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My childhood memories are surrounded by dynamic, loving parents from whom I got my nurturing being and love of children. My passion and affection for taking care of babies began at a young age, and I fulfilled my dream of becoming a pediatric nurse. Over my career, I have assisted hundreds of families and babies, and with that inspiration, I started writing to share my experiences and baby care tips. From my own life experience, I have a deep understanding and a profound empathy and compassion for parents. I emphasize on newborn care at my blog. I help my readers to understand how to effectively set up a routine that fits the family's lifestyle, how to respond to the baby's needs, establish healthy sleep habits, and know about the extra care that a newborn requires, like diaper rashes, umbilical cord stump care, circumcision care, reflux, colic, swaddling, and soothing techniques. I am a mother of twin girls, in their 20's, which has been an invaluable experience for my life's work with children. I live in Virginia with my husband and daughters.


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