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It's normal for babies to develop skin rashes from as early as a few days old, as their sensitive skin adapts to a different environment. Most rashes are harmless and go away on their own.
However, if your baby has developed a rash and seems unwell, or if you're worried, see your doctor to find the cause and any necessary treatment. It's especially important to be aware of the warning signs for meningitis.
This guide may give you a better idea of the cause of the rash, but don't use it to diagnose your baby's condition by yourself. Always see a doctor for a proper diagnosis.
This page covers the most common causes of skin rashes in babies, which are:
It also describes the warning signs of meningitis and explains what to do if you're worried your baby may be at risk.
About half of all newborns will develop tiny (1-2mm) white spots, called milia, on their face. These are just blocked pores and usually clear within the first four weeks of life.
Half of all newborns will develop a blotchy red skin reaction called erythema toxicum, usually at two or three days old. It is a normal newborn rash that won't bother your baby and will soon clear after a few days.
Pimples sometimes develop on a baby's cheeks, nose and forehead within a month of their birth. These tend to get worse before clearing up completely after a few weeks or months.
Washing your baby's face with water and mild soap can help improve the appearance of their skin. You should avoid acne medicines intended for older children and adults.
Pimples or blackheads that develop after three months of age (infantile acne) tend to be more severe and often need medical treatment.
Cradle cap is where yellowish, greasy scaly patches develop on a baby's scalp. Occasionally, the face, ears and neck can also be affected.
Cradle cap is not itchy and should not bother your baby. If your baby is scratching or upset, they may have eczema (see below).
Cradle cap is a common condition that tends to develop within two or three months after birth. It will usually get better without treatment in a few weeks or months.
Gently washing your baby's hair and scalp with baby shampoo may help prevent further patches developing. Read more about treating cradle cap.
Eczema is a long-term condition that causes the skin to become itchy, red, dry and cracked. The most common form is atopic eczema, which mainly affects babies and children but can continue into adulthood.
Eczema in babies under six months is associated with allergies to milk and egg.
Atopic eczema often starts in young babies as a red, itchy rash on the face, scalp and body. As the child gets older it usually starts to develop in areas with folds of skin, such as behind the knees or on the front of the elbows. Creams and ointments can often help relieve the symptoms. Read more about managing your baby's eczema.
Nappy rash occurs when the skin around the baby's nappy area becomes irritated. This is often caused by prolonged exposure to urine or stools, but can sometimes be the result of a fungal infection.
You can usually reduce nappy rash by taking simple steps to keep your baby's skin clean and dry, and using a barrier cream if needed. Antifungal cream may be necessary if the rash is caused by a fungal infection. Read more about [nappies and nappy rash].
Ringworm is a common fungal skin infection that causes a ring-like red rash almost anywhere on the body (the baby's scalp, feet and groin are common areas). It is usually easily treated using over-the-counter creams. Read more about treating ringworm.
A sweat rash may flare up when your baby sweats, for example because they are dressed in too many clothes or the environment is hot and humid. It is a sign that your baby's sweat glands have become blocked. They may develop tiny red bumps or blisters on their skin, but these will soon clear without treatment.
Impetigo is a highly contagious bacterial infection of the surface layers of the skin, which causes sores and blisters. It is not usually serious but you can visit your doctor for a prescription of antibiotics, which should clear the infection within 7-10 days. Read more about treating impetigo.
Urticaria (also known as hives) is a raised, red itchy rash that appears on the skin. It happens when a trigger (such as a food that your baby is allergic to) causes a substance called histamine to be released into their skin.
If your baby gets urticaria during feeding, the condition may be triggered by something they have had to eat or drink. The most common foods are egg and milk but many other foods can sometimes be the cause.
The urticaria rash is usually short-lived and can be controlled with antihistamines. Read more about treating hives.
If your baby gets hives repeatedly, it's important to see your doctor to discuss possible allergies.
Slapped cheek syndrome (also known as fifth disease) is a viral infection particularly common in children and babies. It typically causes a bright red rash on both cheeks and a fever.
Most babies will not need treatment as slapped cheek syndrome is usually a mild condition that passes in a few days.
Hand, foot and mouth disease is a common, mild viral illness that causes a blister rash on the palms of the hands and soles of the feet, as well as ulcers in the mouth. Your baby may feel unwell and have a fever.
Treatment is usually not needed as the baby's immune system clears the virus and symptoms go away after about 7 to 10 days. If you're worried, see your doctor.
Scabies is a common infestation of the skin that can affect people of all ages. It is caused by tiny mites that burrow into the skin.
It is often spread between family members, so when babies get scabies it is usually because someone else in the family has had it recently. Babies with scabies develop tiny and very itchy spots all over the body, including on the soles of the feet, armpits and genital area.
Treatment with creams that kill the scabies mite needs to be given to the whole family at the same time to be effective.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.