How can I tell if my baby's eczema is infected?

Common signs of infected eczema in babies include honey-coloured or yellow crusting, increased oozing or weeping, redness that is warmer and more swollen than usual, visible pus, skin that is not responding to usual eczema treatment, and a baby who seems generally unwell or has a fever.

What does infected eczema look like in babies?

Infected eczema often looks different from a standard flare. Parents may notice yellow or golden crusts, more fluid than usual, areas that feel hot to the touch, swelling, spreading redness, or blistering. Viral infection such as eczema herpeticum can cause clusters of small punched-out blisters that spread rapidly.

When should I take my baby to the doctor for infected eczema?

You should contact your GP promptly if you suspect infected eczema. Seek urgent medical care if your baby has a fever, seems very unwell, has rapidly spreading blisters, worsening redness, significant bleeding from scratched skin, or any signs of eczema herpeticum.

Can I wet wrap infected eczema?

No. Wet wrapping should not be used over infected eczema. The warm, moist environment can encourage bacterial growth and may spread infection to other skin areas. If you think infection is present, wait until a GP confirms the skin is infection-free before using wet wraps.

What treatment is used for infected eczema in babies?

Treatment depends on the type and severity of infection. Bacterial infection is often treated with oral antibiotics and sometimes topical antibiotics. Viral infection such as eczema herpeticum requires urgent antiviral treatment. Severe spreading infections may need hospital care.

How can I reduce the risk of eczema infection in my baby?

The best prevention strategies include reducing scratch damage, keeping nails short and smooth, moisturising consistently, treating eczema flares promptly, avoiding contact with anyone who has an active cold sore, and maintaining good skin hygiene and clean bedding. Scratch protection during sleep can be especially helpful because nighttime scratching often causes the skin damage that leads to infection.

How to Recognise & Treat Infected Eczema in Babies

By Kelly Northey, Certified Postpartum Nutrition Professional

Founder of Nella Vosk • 14+ years supporting families across motherhood, feeding, and early childhood wellbeing

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How to Recognise & Treat Infected Eczema in Babies

This article is part of the Nella Vosk Living with Eczema: Complete Family Management Guide — the central resource for Australian families managing eczema. This article addresses one specific and urgent question: how do you tell when eczema has become infected, and what should you do about it?

Important: This article is for general educational purposes only. Infected eczema in babies requires medical assessment and treatment. If you suspect your baby’s eczema is infected, contact your GP as soon as possible. If your baby has fever, difficulty breathing, seems very unwell, or the infection appears to be spreading rapidly, seek emergency medical care immediately.

Eczema breaks the skin barrier. It causes cracking, weeping, and open lesions that bacteria can enter through. Scratching — which eczema-affected babies and children do constantly, including in their sleep — introduces bacteria from the fingers and nails directly into already-compromised skin. The result is skin infection: a common complication of eczema that, if missed, can escalate quickly and require more intensive treatment.

Most eczema infections in babies are caused by Staphylococcus aureus (staph), a bacterium that naturally lives on the skin surface of almost everyone, including people without eczema. In eczema-prone skin, the disrupted barrier allows staph to colonise at much higher levels and penetrate into the skin, triggering an inflammatory response that makes the eczema significantly worse.

Knowing what infected eczema looks like — and what distinguishes it from a regular flare — is one of the most important things a parent managing infant eczema can know.

At Nella Vosk, preventing skin damage and infection through scratch protection sits at the heart of our Skin & Sensory Support pathway — because broken, scratched skin is the primary route by which eczema becomes infected, and interrupting that cycle is one of the most important things parents can do.

Why Eczema Infection Is More Likely in Babies

Several factors make babies with eczema particularly vulnerable to secondary infection:

Thinner, more permeable skin: infant skin is approximately five times thinner than adult skin, with a less developed acid mantle and skin microbiome. The skin barrier is more easily breached by bacteria.
Inability to control scratching: babies scratch reflexively and have no ability to resist the urge. Even freshly trimmed fingernails carry bacteria and cause meaningful skin damage. Nocturnal scratching — which occurs during sleep without the baby waking — is particularly damaging because it is uninterrupted.
High staph colonisation: research shows that more than 90% of people with eczema have significantly elevated levels of Staphylococcus aureus on their skin, compared to approximately 30% of people without eczema. In eczema-prone babies, this colonisation begins early and at high levels.
Warm, moist environments: skin folds — the neck, behind the knees, inside the elbows — where eczema is common in infants are also warm and humid environments where bacteria multiply readily.
Herpes simplex virus (HSV) risk: babies with eczema are at significantly higher risk of eczema herpeticum — a serious viral infection caused by the herpes simplex virus (the same virus that causes cold sores). Family members and visitors with active cold sores should not kiss babies with eczema. This is not a minor precaution; eczema herpeticum can be life-threatening in infants.

How to Tell if Eczema Is Infected: Signs and Symptoms

The challenge for parents is distinguishing an infected eczema flare from a severe but uninfected one — both involve redness, weeping, and distress. These are the signs that specifically indicate infection rather than ordinary inflammation:

Signs of bacterial infection (most commonly Staphylococcus aureus)

Honey-coloured or yellow crusting: the most recognisable sign of bacterial infection. The crusts form from dried fluid that has oozed from the infected skin. They appear golden or amber in colour, drier than the usual eczema weeping, and often appear overnight.
Increased oozing or weeping beyond what is typical: infected skin often produces more fluid than a regular flare. The fluid may have a slightly different consistency or colour to normal eczema weeping.
Increased localised redness, warmth, and swelling: the affected area may be noticeably warmer to the touch than surrounding skin, and the redness may extend slightly beyond the obvious eczema boundary.
Skin that is not responding to usual treatment: if a flare is not improving within a few days of your standard moisturising and topical treatment, infection may be the reason.
Pus: visible yellow or green fluid in or around the eczema lesions indicates bacterial infection and requires prompt GP assessment.
Fever or general unwellness: a baby who has a temperature, is unusually tired, is feeding poorly, or appears generally unwell alongside a worsening eczema flare may have an infection that has entered the bloodstream. This requires urgent medical attention.

Signs of viral infection (eczema herpeticum)

Eczema herpeticum is less common than bacterial infection but significantly more serious. It requires urgent medical treatment with antiviral medication and can be life-threatening in young babies. Signs include:

Clusters of small, fluid-filled blisters (vesicles) that appear rapidly, often in an area that was previously stable or on areas of normal-looking skin
Blisters that look punched-out or crater-like as they break down
Rapid spread across a larger skin area than typical eczema
High fever and significant distress
Baby appears very unwell

⚠️ SEEK URGENT MEDICAL CARE if you see:

• Clusters of punched-out blisters spreading rapidly across the skin

• High fever alongside rapidly worsening eczema

• Your baby appears very unwell, is difficult to wake, or is breathing rapidly

• Significant bleeding from scratched eczema

Eczema herpeticum is a medical emergency in infants. Call your GP immediately or go to the emergency department.

What to Do When You Suspect Infected Eczema

See your GP promptly

Infected eczema in a baby requires medical assessment. Do not wait to see if it resolves on its own, and do not apply over-the-counter antibiotic creams without GP guidance. Your GP will assess the infection, determine whether it is bacterial or viral, and prescribe appropriate treatment.

Booking a same-day appointment is appropriate when you notice signs of infection. If your GP cannot see you and the infection appears to be worsening, deteriorating, or your baby seems unwell, go to the nearest hospital emergency department.

Do not wet wrap over infected skin

Wet wrapping is an effective technique for managing severe eczema flares — but it must never be applied over infected skin. The warm, moist environment created by wet wrapping accelerates bacterial growth and can spread infection to previously unaffected areas of skin. If you are not certain whether infection is present, do not wet wrap until you have GP confirmation that the skin is infection-free.

For full guidance on safe and effective wet wrapping for non-infected flares, see our dedicated article on wet wrapping for eczema: how it works and when to use it.

What treatment looks like

Treatment for infected eczema depends on the type and severity of infection:

Bacterial infection (mild to moderate): typically treated with a course of oral antibiotics prescribed by your GP. Topical antibiotic creams may also be prescribed for localised infections. Continue moisturising and your usual eczema management routine alongside antibiotic treatment.
Bacterial infection (severe or spreading): severe bacterial infections, particularly those causing fever or spreading rapidly, may require hospital admission for intravenous antibiotics. This is uncommon but does occur with significant infections in young babies.
Viral infection (eczema herpeticum): treated with antiviral medication, typically oral aciclovir for mild to moderate cases or intravenous antiviral treatment for severe cases. This requires urgent assessment and prescription — it cannot be managed with over-the-counter products.

Bleach baths for recurrent infection

For children with frequent recurrent eczema infections, GPs and dermatologists sometimes recommend dilute bleach baths as part of an ongoing management strategy. The concentration used is approximately equivalent to a swimming pool. When prepared and used correctly under medical guidance, they are safe and may reduce staph colonisation on the skin surface. These should only be used as recommended by your healthcare provider, not self-prescribed.

How to Reduce the Risk of Eczema Infection

Once you have experienced infected eczema in your baby, prevention becomes a priority. The most effective preventive strategies address the primary mechanism of infection: broken skin from scratching.

Scratch prevention: the most important preventive measure

Every scratch breaks the skin barrier and introduces bacteria. In babies, scratching is involuntary and often occurs most intensively during sleep — the period when parents cannot intervene in real time. Physical scratch protection is the most direct way to reduce the skin damage that creates infection risk.

Eczema mitten sleeves — soft, breathable sleeves that cover the full arm from shoulder to fingertip with fold-over mitten cuffs — are specifically designed to prevent fingernail contact with skin during sleep without causing the overheating that worsens eczema. Our Bamboo Bubby eczema mitten sleeves have been used by Australian families managing eczema for over 15 years for exactly this purpose.

For the comparison between eczema mittens and sleeves — including which provides better protection and why full-arm coverage matters for infection prevention — see our article on eczema mittens vs sleeves: which is better for babies?.

Keep nails short and smooth

Baby nails grow quickly and become sharp even within a few days of trimming. Check and trim your baby’s nails every 3–4 days. File any sharp edges. Short, smooth nails still cause damage when a baby scratches, but significantly less than long ones.

Maintain consistent moisturisation

The single most effective daily intervention for eczema — and for reducing infection risk — is regular, generous moisturisation. Intact, well-moisturised skin is harder for bacteria to penetrate. Apply moisturiser at least twice daily, with one application immediately after bathing (within three minutes, while skin is still slightly damp). During active flares or periods of high infection risk, increase frequency to every 2–4 hours.

Treat flares promptly

Eczema flares that are allowed to persist create the cracked, weeping skin that bacteria enter through. Treating each flare with appropriate topical medication as soon as it appears — following your GP or dermatologist’s prescribed plan — reduces the duration of vulnerable skin exposure and with it, the infection risk.

No cold sores near eczema skin

Anyone with an active cold sore should not kiss a baby with eczema, or come into close face contact. The herpes simplex virus that causes cold sores can cause eczema herpeticum in eczema-affected skin, which is a serious and potentially dangerous infection. This applies to family members, friends, and visitors. It is not an overreaction — it is a genuine medical precaution endorsed by the Royal Children’s Hospital and Raising Children Network.

Reduce staph colonisation with appropriate skin hygiene

Short, lukewarm baths using fragrance-free, soap-free cleansers support the skin’s natural protective acid mantle without stripping it. Avoid antibacterial soaps — they can disrupt the skin microbiome in ways that may worsen eczema over time. Wash hands before applying any topical product to your baby’s skin. Change towels and bedding regularly, washing in hot water to reduce bacterial load.

Nighttime environment and clothing

Keeping the bedroom cool (approximately 18–20°C) reduces overheating, which is a primary trigger for scratching. Eczema-appropriate sleepwear — bamboo or organic cotton, breathable, without irritating seams or synthetic fibres — reduces friction and temperature-related itch. The combination of appropriate sleepwear and scratch protection sleeves addresses the most vulnerable period for skin damage.

For the full physiology behind why scratching intensifies at night and what interventions interrupt the cycle most effectively, see our article on why kids scratch more at night: the physiology explained.

For practical guidance on stopping baby scratching at night without overdressing or overheating, see our dedicated guide on how to stop baby scratching at night.

Common Mistakes When Managing Potential Eczema Infection

Waiting too long to see a doctor

Bacterial skin infection in a baby can progress quickly. Eczema that looks slightly worse one day can look significantly worse the next. If you are noticing honey-coloured crusting, pus, increased warmth and redness, or a baby who seems unwell, book a same-day GP appointment rather than monitoring overnight. Early antibiotic treatment resolves infection faster and reduces the risk of it spreading.

Applying over-the-counter antibiotic creams without assessment

Topical antibiotic creams are available over the counter, but they are not appropriate as a first response to suspected eczema infection in babies. They address only the surface skin layer, do not penetrate to the level where eczema infection typically occurs, and their use without assessment can delay appropriate treatment. See your GP for assessment and a proper prescription.

Wet wrapping over infected skin

This cannot be overstated: do not wet wrap if infection is suspected. The warmth and moisture of a wet wrap creates ideal conditions for bacterial multiplication and can spread infection to previously unaffected areas. Always clear any infection with a course of antibiotics before resuming wet wrapping.

Discontinuing antibiotic treatment early

Antibiotic courses for eczema infection are typically 5–10 days. It is common for skin to look significantly better before the course is completed. Complete the full course as prescribed even when skin appears to have resolved — stopping early allows partially treated bacteria to survive and potentially develop antibiotic resistance.

Assuming it is just a bad flare

The most common mistake is misinterpreting a bacterial infection as an unusually severe eczema flare and treating it with the standard moisturising and topical steroid approach. Topical steroids alone do not treat infection and may suppress the immune response enough to allow infection to spread. If your standard management is not working after 2–3 days, infection should be considered.

Frequently Asked Questions

: The most recognisable sign is honey-coloured or yellow crusting on or around eczema lesions. Other signs include skin that oozes or weeps more than usual, increased redness and warmth beyond what is typical for a normal flare, areas that feel hot to touch, and pus. In more severe cases, babies may develop fever, appear generally unwell, or have significant swelling.

Clusters of rapidly spreading fluid-filled blisters may indicate the more serious viral infection eczema herpeticum, which requires urgent medical attention.
: No — infected eczema in babies requires GP assessment and prescription treatment. You should not attempt to manage a suspected infection with over-the-counter products at home. What you can do at home is prevent further damage: avoid wet wrapping, keep nails short, use scratch protection sleeves, and continue gentle moisturising of non-infected areas.

See your GP promptly for assessment and appropriate antibiotic or antiviral treatment.
: Bacterial infection can develop within 24–48 hours of significant skin damage from scratching.

Many parents report noticing the signs — particularly the honey-coloured crusting — when they go to the baby in the morning after a night of active scratching. This is one of the key reasons overnight scratch protection is so important for babies with active eczema: preventing the nighttime scratching that creates the skin damage through which infection enters.
: The eczema itself is not contagious. However, Staphylococcus aureus bacteria can spread between people through direct skin contact or contact with contaminated surfaces — though in practice, this is rarely a significant concern for healthy family members. The more significant risk is cross-contamination on the baby’s own skin: scratching infected areas and then scratching healthy skin.

The herpes simplex virus that causes eczema herpeticum is contagious, and family members with active cold sores should not have close facial contact with an eczema-affected baby.
: Some children with eczema experience recurrent infections, particularly during periods of poor eczema control or high environmental trigger exposure. The most effective long-term strategy is improving overall eczema control: consistent daily moisturisation, prompt flare treatment, trigger avoidance, and scratch prevention.

In children with frequent recurrent infections, GPs may recommend additional strategies such as dilute bleach baths, regular skin swabs to monitor bacterial colonisation, and referral to a paediatric dermatologist.

Next Steps

For the complete picture of eczema management — including triggers, daily routines, flare protocols, and building a home environment that reduces infection risk — return to the Living with Eczema: Complete Family Management Guide.

To understand the role of physical scratch protection in preventing the skin damage that leads to infection, see our article on what eczema sleeves do: studies and research explained.

Our Bamboo Bubby eczema mitten sleeves are designed to protect eczema-prone skin from the overnight scratching that is the primary route to infection — using breathable bamboo-cotton fabric that won’t overheat sensitive skin.

→ Also in this cluster: wet wrapping for eczema: how it works and when to use it — safe technique for non-infected flares, with critical cautions

→ why kids scratch more at night: the physiology explained — understanding what drives the scratching that creates infection risk

→ how to stop baby scratching at night — practical strategies for nighttime scratch prevention

About the Author

Written by Kelly Northey, Certified Postpartum Nutrition Professional (CPPNP) and founder of Nella Vosk.

Drawing on her extensive experience supporting Australian families managing infant and childhood eczema — including through Bamboo Bubby, one of Australia’s longest-standing eczema-specific brands — Kelly helps parents understand the physical mechanisms behind eczema complications and the practical steps that reduce their risk. The clinical information in this article is drawn from the Royal Children’s Hospital Melbourne, Raising Children Network, Pregnancy Birth and Baby, and the Sydney Children’s Hospitals Network. Always consult your GP for diagnosis and treatment of suspected eczema infection.

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