15 Most Common Rashes in Babies & How To Deal With Them

Noticing small red bumps popping up on your baby’s body? Are you worrying slightly and wondering what it might be? Chances are, it’s something completely harmless that will resolve itself within a few days.

But it’s still important to keep an eye on it. There are many types of rashes a baby could develop. It can, at times, be difficult to know specifically what caused it (trigger the mom guilt).

Our guide will tell you everything you need to know about the 15 most common rashes. Let’s have a look at each one in detail. Knowing this information might prevent a mom meltdown in the future, so pay attention!


1. Baby Acne

baby acne

Baby acne usually occurs on the cheeks, nose or forehead. The pimples look like tiny red bumps. Sometimes, they have a small white dot in the center (a bit like adult acne).

This rash is nothing to worry about. Most babies I know have experienced it. It usually occurs within the first month of a baby’s life (source).

Causes

Doctors are still not entirely sure why some babies develop acne. But it’s deemed to be caused by the maternal hormones that baby is exposed to in the womb.

Symptoms

Baby acne is distinguished by tiny red or white pimples on a baby’s cheeks, nose, forehead and chin. Basically, they look like a tiny teenager, going through puberty.

Treatment

Keeping baby’s skin clean is the best way to get rid of baby pimples. Gently wipe the area using any soft material like a cotton ball or gentle washcloth.

Moisturizing the skin is essential, so try a mild baby lotion or oil. Don’t use too much though, since this could block the pores and make it worse.

Never buy any over-the-counter acne treatment creams, intended for older children. These are not safe for newborns.

2. Cradle Cap

cradle cap

Cradle cap is easy to recognize and common in newborns. It results in greasy, yellow or brown scales at the top of the baby’s head. In some cases, it will move down to the face or neck.

It usually develops within the first two or three months. Cradle cap is not contagious (source).

Causes

Nobody is 100 percent sure what causes cradle cap. However, it is linked to two common factors:

  • Fungus: Some babies react to Malassezia, a fungus naturally found on the skin.
  • High levels of sebum in the affected area: Sebum is an oily substance consisting of fat, keratin, and cellular debris.

Symptoms

Cradle cap won’t cause fever or any discomfort for your baby. However, it can cause large flakes to develop. As the scales fall off, you might notice a few hair strands following.

The skin around the scales can become red and, in severe cases, you might notice a smell. I recall it being similar to the aroma of unwashed hair.

Treatment

Cradle cap will often clear up on its own within a few weeks, although you can help to get rid of it faster. Treating cradle cap is relatively easy, here’s how:

  • Wash baby’s hair: Using a mild shampoo, let it sit for a minute and then brush their hair with a soft brush before rinsing.
  • Apply baby oil: This will loosen the scales, then brush with a soft brush.
  • Soak overnight: Apply Vaseline, olive oil, or vegetable oil and let it soak overnight. The next morning, wash baby’s hair with a mild shampoo, and rinse.

There are special shampoos available for cradle cap. These soften the scales quickly, making them easy to remove. The shampoo also prevents new scales from forming.

You should never pick at the scales, although I know it can be very tempting. Removing them from the scalp in this way could result in an infection.

3. Erythema Toxicum Neonatorum

Erythema Toxicum Neonatorum

ETN is a widespread rash that occurs within the first few days of a newborn’s life. It’s most common in full-term babies.

ETN appears as blotchy red bumps, which can sometimes look pale and raised due to a buildup of fluid. If the fluid looks like pus, this can indicate an infection. But in most cases, it’s only a bodily fluid (source).

Causes

The cause of ETN is unknown, but is thought to be related to the immune system developing.

Symptoms

ETN symptoms include a red rash with bumps, which sometimes look white or yellow. It shouldn’t cause any discomfort or fever.

This rash most commonly appears on the chest, neck, and face of the baby. It can develop anywhere, except the palms and soles

Treatment

There is no treatment necessary. However, if it becomes more severe, you should consult your doctor for advice.

4. Atopic Eczema

Atopic Eczema on baby's leg

Eczema can be extremely uncomfortable — the affected area becomes red, itchy, and even cracked.

It could be a long-term, chronic condition that requires extensive treatment. Luckily, though, it often clears over time, as your little one grows (source).

Causes

Atopic eczema can be passed down by your parents. If you suffer from it, or have previously, chances are your newborn might also develop the condition.

If your baby is born with an increased risk, keep them at a distance to certain triggers, such as:

  • Soaps and detergents: Don’t use perfumed detergents or soaps. Make sure all soap residue is rinsed off after a bath.
  • Allergens: These could be cold, dry weather, or a humid environment. Even dust mites, fur, pollen, molds, and certain foods can cause an allergy.
  • Certain fabrics: Wool and synthetic materials are known to trigger eczema.

Symptoms

The affected area will become red, dry, itchy, cracked, and sore. This could result in bleeding skin and inflammation, and secondary infections may occur.

The areas of skin affected might become darker or lighter after the eczema has cleared, although this is only temporarily.

Treatment

Keeping the skin hydrated is the best way to avoid a rash. Consult your pediatrician for any creams or ointments to help ease the symptoms.

Covering up the area using bandages might be necessary in some instances. Damaging the skin could cause more eczema.

You may want to consider putting mittens on your baby. Newborns aren’t coordinated enough to scratch, but they might do some accidental damage. I had some great sleepsuits with integrated foldover mitts — these worked so much better than the loose mittens, which easily fell off.

5. Hives

Hives

People of all ages can develop hives. The rash features red raised patches or bright red spots.

Hives can appear anywhere on the body. They’re often extremely itchy and sometimes accompanied by a stinging or burning sensation (source).

Causes

When hives occur, it is because the body has been in contact with a trigger. This could be any allergen, such as certain foods, pollen, or insect bites.

The trigger causes the body to release histamines. These carry white blood cells to the affected area, which will then repair the damage and get rid of the intruder (the trigger). The histamines cause the swelling and itchiness.

Symptoms

The rash will be made up of swollen and red welts of different sizes. They will be well-defined, with a pale center and red surrounding it (similar to mosquito bites).

Hives can easily spread across the skin, in different areas. They can last a few hours, days or, on rare occasions, weeks.

Treatment

Antihistamines are the best treatment for hives. However, you should never give your baby any medication without consulting a pediatrician first.

If your baby doesn’t seem too bothered by the rash and the size of it isn’t concerning, don’t worry. It should ease and disappear within a day or two.

You can always try different methods to ease the irritation. Wet a washcloth in water, similar to the temperature of a bath, and gently apply it to the affected area.

6. Diaper Rash

diaper rash

A diaper rash is something nearly all parents have had to deal with at some point in their child’s life. The rash can be mild, with only a few red spots in one area. More severe rashes will look red and tender (source).

Causes

The main cause for a diaper rash is prolonged exposure to urine or poop. Here are other possible causes:

  • Disposable diapers: These can sometimes contain chemicals or fragrances, which might be causing the reaction.
  • Fungal or yeast infection: Bacterias thrive in warm, moist environments, so they often cause rashes in the folds within the diaper area.
  • Food: As your baby starts to have solid foods, their stools will change. Acidic foods are known to cause diaper rash in some babies.
  • Antibiotics: These will increase the chance of a yeast infection.

Symptoms

The diaper area will be red, a little swollen, and warm to the touch. The rash can spread to the baby’s thighs, stomach, and even back.

Some babies will seem troubled by it, and uncomfortable during diaper changes. Older children may be holding themselves, because it’s painful to pee.

Treatment and Prevention

A diaper rash can be difficult to deal with. But don’t worry, there are many effective ways to treat and prevent it:

  • Keep the area dry and clean: Change your baby’s diaper frequently. Gently pat the area dry — never rub!
  • Apply ointment: A special diaper rash ointment will treat the area, and create a barrier on the skin to protect it.
  • Loosen the diaper: A good tip is to use a bigger diaper, this allows more air to flow. You can even leave baby without, but make sure to waterproof the surrounding area, particularly if you have a boy!

Cloth diapers are a great option and good for the environment. They need more work since you have to wash them. But they eliminate all the possible chemicals and harsh edges on disposable diapers.

My little one loves cloth diapers, as they are softer than disposables. Just remember to wash them in fragrance-free detergent, and never use fabric softeners or dryer sheets.

Learn More
How to Solve Your Baby’s Severe Diaper Rash

7. Milia

rash on baby's nose

Milia is common among newborn babies. It looks like tiny white spots that usually form around the nose of the baby (source).

Causes

Milia is entirely harmless. It is the result of the baby’s pores being blocked by dead skin cells.

Symptoms

Small white bumps will appear on a baby’s face, and sometimes even on limbs, or the upper body. They can also appear on the roof of baby’s mouth, or on their gums, looking like little teeth coming through. The spots shouldn’t be itchy or painful.

Treatment

The spots will usually clear up on their own within the first four weeks after birth. Never try to squeeze them.

8. Impetigo

rash under a child's nose

Impetigo is a highly contagious infection that causes blisters and sores. Babies and adults can get it, though it’s most common in young children aged two to six. For newborns, it can be dangerous.

The sores and blisters will grow quickly and then burst, leaving golden, crusty patches. These may grow and spread to other parts of the body. The patches can also be itchy and painful (source).

Causes

The rash occurs when bacteria enters the skin — this could be through a cut or a sore. If someone with impetigo comes into contact with your baby, there is a high risk of it being passed on.

Symptoms

Impetigo usually starts as a cluster of red blisters. These will grow, burst, ooze, and then spread. The rash is itchy — this is how it spreads so rapidly.

The skin in the affected area will be red, and the lymph nodes may also become swollen.

Treatment

Mild cases of impetigo won’t require much treatment. By keeping the area clean, it should clear itself up.

A pediatrician might prescribe antibiotics to help your baby’s body fight off the bacteria. Depending on the child’s age, this could be given orally, or as a cream.

Trim your baby’s nails and keep them clean, to prevent the bacteria from spreading. Wash the scabs gently, twice a day, using warm water and soap. Dry with a towel that is only used for the baby.

9. Fifth Disease

Fifth disease on toddler

Fifth disease , also known as slapped cheek syndrome or parvovirus B19, takes its unique name from the way it looks. Any guesses on what it looks like?

It starts as small red patches on the cheeks of the child. It is most common in preschoolers, but babies can also contract the virus.

It’s highly contagious, but not harmful. Pregnant mothers can pass it on to their baby. After recovery, most people develop an immunity to the virus (source).

Causes

The cause of this is the same as most other viruses. If your baby is in contact with another person carrying the virus, then they are at risk.

Symptoms

Apart from the red cheeks, there are a few other symptoms you might notice:

  • A fever before the rash appears.
  • Stuffy or runny nose.
  • Sore throat.
  • Upset stomach.
  • Headache.
  • Fatigue.

The rash can be itchy, and will start on the face, but it can also appear on the arms, legs, and buttocks.

Treatment

Fifth disease should be treated like any other cold — your child needs rest and lots of fluids. However, you should always see your pediatrician when a rash occurs. Though harmless, it’s best to rule out other diseases.

10. Hand, Foot, and Mouth Disease

rashes on hands

Hand, foot, and mouth disease (HFMD) is another widespread viral disease, most common in those under the age of five.

The child will begin to develop sores around and inside the mouth. It could be on the tongue, back of the mouth, or inside of the cheeks (source).

Causes

HFMD is highly contagious. It will spread through sneezes and coughs, as well as the fluid from sores and blisters, and even through stools.

Like any other viral infection, children often pass it on to each other.

Symptoms

There are a few symptoms you might notice before the rash begins, these include:

  • Fever.
  • Loss of appetite.
  • Sore throat.
  • Fatigue.

After the fever starts, usually within a few days, the first sores or blisters will make an appearance.

These can be extremely painful. Older children will surely complain, while younger children and babies will seem super irritated (because they can’t complain!).

You might also notice a rash on the palms of the hands and soles of the feet. Sometimes, the rash appears on the buttocks as well.

Treatment

Mild cases only need observation. Make sure to check your baby’s temperature often. They should drink and eat plenty to give the body strength.

Your baby might be miserable, so comfort him or her as much as you can. Treat them with cold drinks or ice cream, as this can ease the discomfort. Never give salty, spicy, or acidic foods.

11. Measles

Newborn with measles

Measles is another viral infection similar to fifth disease. It starts as small red bumps with white dots inside of the cheeks, followed by a fever.

A rash will quickly appear and spread from the face down the back and torso, making its way to the arms and legs.

The rash will look like red patches at first, but it will soon develop into itchy raised bumps. Measles is most likely to occur in unvaccinated children (source).

Causes

Measles is highly contagious, caused by a virus called paramyxovirus. When a person carrying the virus sneezes or coughs, the virus will spread. The droplets containing the virus stay active for up to two hours outside of the body.

The United States was considered measles-free in the year 2000. But as time went on, it began making an appearance again largely because some parents choose not to vaccinate their children.

Symptoms

As the first few bumps begin appearing, you might also notice:

  • Red and runny nose.
  • Low energy levels.
  • Loss of appetite.
  • Nausea and vomiting.
  • Diarrhea.
  • Swollen lymph nodes.

Treatment

It is critical you contact a doctor straight away if you suspect measles.

Once confirmed, there isn’t much to do about it. It’s crucial to keep your child away from others, to prevent the disease from spreading.

Ensure your little one is as comfortable as possible and watch closely for signs of a fever. Measles can cause the temperature to rise to 105 degrees Fahrenheit, which — of course — is dangerous.

If your child hasn’t had the vaccination but is exposed to the virus, talk with your doctor. They can give an immune globulin injection, which may prevent or ease the symptoms.

The MMR vaccine is usually scheduled at the age of 12 to 15 months, with a booster vaccine at four to six years.

12. Miliaria

Miliaria

Miliaria, also called sweat rash or heat rash, usually occurs if the baby is sweating excessively. It normally occurs in hot, humid conditions (source).

Causes

Living in such an environment, your baby might sweat quite a lot. The sweat glands can become blocked, resulting in a rash. This can also happen if your baby is wearing too much clothing or if they are in an overly hot room — such as the living room if the fireplace has been burning all day in the winter.

Symptoms

The rash looks like tiny red bumps or blisters, as sweat is trapped under the skin. There will be a lack of sweat in the affected area and baby will experience a prickly feeling.

Treatment

Miliaria doesn’t require any treatment, since it usually goes away on its own once the baby cools down. If the rash takes a little longer to clear, your pediatrician might recommend a cream or ointment.

13. Scabies

rashes on baby's knee

Scabies is an infestation of the skin. People of all ages can become infected. A baby with scabies will develop small, red spots all over the body (source).

Causes

Scabies is caused by tiny parasitic mites which burrow into the skin (cringe!). It most often makes its way to your baby with the help of friends or other family members.

Symptoms

The rash will feature little bumps that can form a line. There will be extreme itchiness, and, potentially, sores and crusty areas. Scabies usually occurs on hands and arms, but can develop anywhere on baby’s skin.

Treatment

It’s necessary to contact your doctor and obtain treatment that will kill the mites. However, it’s not enough to only treat your child; it’s crucial to treat everyone who might also be infected. Some people choose to treat the whole house.

14. Ringworm

Ringworm

Ringworm is a common fungal infection. It causes a unique red rash in the form of a ring. Ringworm can develop anywhere on the body.

In babies, it is most often seen in the scalp, feet and groin area (source).

Causes

Ringworm is actually caused by fungi, and not a worm! It spreads as people come into contact with others who are infected — this could be humans or animals. The fungi may also be present on bedsheets, towels, and even combs.

Symptoms

The rash will have round patches that are red or silver in color. It may be dry, scaly, itchy, and swollen. You might also notice some hair loss if the rash appears on the scalp, and even blister-like lesions.

Treatment

An antifungal cream, gel, or spray is an effective method. It’s essential to finish the whole course of treatment to make sure the infection is completely cleared.

15. Meningitis

Meningitis

Meningitis is a severe condition that affects the protective membranes surrounding the spinal cord and brain.

While meningitis can affect anyone, it’s most common in babies and children. The infection should be treated immediately. It could develop into life-threatening blood poisoning, called septicemia, which can lead to permanent brain and nerve damage.

There are vaccinations available to protect against some forms of meningitis (source).

Causes

A viral or bacterial infection can cause meningitis. Viral infections are the most common cause.

Symptoms

A patchy rash with lots of small red spots gathered in one area is the first sign. One way to tell if it’s a meningitis rash is by pressing a glass over it. If the rash doesn’t fade, it could be meningitis.

Other symptoms include:

  • Fever of 100.4 degrees Fahrenheit or above.
  • Lack of energy.
  • Rapid breathing.
  • Cold hands and feet.
  • Pale skin.
  • A stiff neck and body.
  • Drowsiness or unresponsiveness.
  • Seizures.
  • Refusing to feed.
  • Not wanting to be picked up.
  • Swelling of the fontanelle (the soft spot on baby’s head).
  • Unusual high-pitched cry.

Treatment

If there are any signs of meningitis, it is vital you get your baby to a hospital immediately. This is a medical emergency.

Antibiotics may be given, and fluids to treat dehydration. Some cases require steroid medication, to reduce swelling around the brain.

Treatment in the hospital can take anywhere from a few days to several weeks. Your baby might also need some aftercare once home again.

When to Worry About a Rash

Babies have sensitive skin, so even the smallest thing can cause a reaction.

Most rashes are harmless and will improve or disappear within a few days. Always contact your pediatrician if a rash looks suspicious or is accompanied by a fever.

Rashes can sometimes be caused by an allergic reaction. With this comes the risk of anaphylactic shock.

The symptoms of this include:

  • Difficulty breathing.
  • Hard for baby to feed or swallow.
  • Baby is lethargic.
  • Vomiting.
  • Increased heart rate.
  • Any swelling in the face, around the mouth or throat (source).

Make a Rash Decision

Always take good care of your baby’s precious skin. Don’t overbathe your child using soap, choose one that is unperfumed and moisturizing. End the bath with a gentle lotion or oil massage — this is when you can get a good look and spot anything out of the ordinary.

Most rashes that appear in newborns are harmless. ETN, baby acne, and heat rash are the most common.

Knowing what to look for should help to ease your mind, or know when to take action. If you’re ever unsure of a rash and what could be causing it, don’t hesitate to contact your child’s pediatrician.

Has your little one ever had a rash? How did you treat it? We’d love to hear your comments.

If you think this article will help other new moms, please share.

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