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Dr. Chrysoula I. Liakou MD, PhD
- Treated online: Sometimes. An early, limited patch of erysipelas on an arm or leg in someone who feels well is treated online with antibiotics and a 48-hour review; erysipelas on the face, or with fever, chills, vomiting or spread over hours, is in-person care.
- What it is: a streptococcal infection of the upper skin and its lymph vessels; about 8 in 10 cases are on a lower leg, most of the rest on the face, and the bacteria enter through a break as small as athlete's foot or a cracked heel.
- How to recognise it: a bright red, shiny, swollen patch that is raised with a clear, sharp edge, hot and painful, often with fever that starts suddenly before or with the rash; deeper cellulitis has a flatter, hazier border.
- How long: pain and fever usually ease within 24 to 48 hours of antibiotics, the course runs 5 to 7 days or longer, the skin often peels as it heals, and the redness fades over 1 to 2 weeks.
- Recurrence: erysipelas returns in roughly 1 in 3 people within 3 years because each episode damages lymph drainage; treating athlete's foot, daily emollients, compression for swelling and, after 2 or more episodes, preventive low-dose penicillin cut that risk.
- Emergency: call 112 for erysipelas with confusion, a racing heart, fast breathing, fainting, or skin that is darkening, blistering or going numb, and get in-person care without delay for any erysipelas on the face.
Erysipelas on the face, or any erysipelas with fever, chills, vomiting or redness spreading over hours, needs same-day in-person care, because intravenous antibiotics may be required. Book online only for a limited, early patch on an arm or leg when you feel otherwise well, or to find out whether a red patch is erysipelas at all.
Can an online doctor treat erysipelas?
Sometimes. Erysipelas always needs prompt antibiotics, so the real question is where you get them safely. A small, early, sharply bordered patch on a limb in an otherwise well adult can often be assessed by photo and video and, when the doctor judges it right, treated with oral antibiotics.[1] Facial involvement, fever or fast spread needs in-person care, sometimes intravenously.
What online care removes is the dangerous part of waiting: instead of watching a red patch grow for three days until an appointment opens up, you get a doctor's eyes on it over video, usually within 15 minutes, and a clear decision about which pathway you are on.
How an online consultation helps with erysipelas
- Fast triage of a spreading rash: with erysipelas, the costly mistake is delay. You can see a doctor over video, usually within 15 minutes. The doctor looks at your photos and tells you whether this is oral-antibiotic territory or a same-day clinic visit.
- The right name for the redness: erysipelas, cellulitis, an infected insect bite, a clot in the leg and a simple skin irritation are managed very differently, and photos plus a structured history usually separate them.
- Antibiotics without waiting for a clinic: for suitable early cases, the doctor can prescribe oral antibiotics, with a marked-edge tracking plan and a fixed review so nothing drifts.
- Recurrence prevention that actually works: erysipelas loves to come back. Treating athlete's foot, healing cracked skin and managing leg swelling cut the risk, and the doctor builds that into your plan.
📷 Photograph the whole limb or area in daylight, then take a sharp close-up of the border between red and normal skin: the raised, clearly defined edge is the diagnostic feature. Draw around the redness with a ballpoint pen and note the time, so spread can be tracked hour by hour.
What the doctor checks in an online erysipelas consultation
This consultation is a safety assessment first and a treatment decision second. The doctor will typically assess:
- The border: erysipelas is classically bright red, slightly raised and sharply demarcated from normal skin; a hazier, deeper redness points more towards cellulitis.[2]
- The site: lower legs and the face are the classic locations, and facial involvement is an automatic same-day in-person referral.[1]
- How you are in yourself: fever, chills, shaking or vomiting often start abruptly with erysipelas, and any of these moves care in person the same day.
- Speed of spread: change over hours matters more than size, which is why the pen line around the redness is so useful.
- The entry point: athlete's foot between the toes, cracked heels, insect bites, ulcers, recent wounds or eczema patches, because bacteria need a way in and the entry point needs treating too.
- Your risk profile: leg swelling or lymphoedema, varicose veins, obesity, diabetes, a weakened immune system and previous episodes all raise the stakes and lower the threshold for in-person care.
- Allergies and current medicines: penicillin allergy changes the antibiotic choice, so it is confirmed before anything is prescribed.
- Photo quality: daylight, the whole area plus a border close-up, and your pen line with times; on the video call the doctor may also check how you look and breathe, not just the leg.
What is erysipelas, and how is it different from cellulitis?
Erysipelas is a bacterial infection of the upper layers of the skin and the small lymph channels within them, usually caused by streptococcus bacteria entering through a break in the skin.[2] It appears as a bright red, hot, tender, slightly raised patch with a sharp border, most often on a lower leg or the face, and it frequently announces itself with sudden fever and chills before or as the rash appears. Cellulitis is the closely related infection of the deeper skin layers: its redness is usually flatter, less sharply bordered and deeper in tone.[4] In practice the two overlap, are often hard to tell apart, and are treated with the same urgency and similar antibiotics, which is why guidance commonly handles them together.[1] You can read about the deeper form on the cellulitis page.
How it starts
The bacteria need an entry point, and it is often trivial: peeling athlete's foot between the toes, a cracked heel, an insect bite, a small graze, an ulcer or a patch of eczema. Within a day or two, an area of skin becomes red, hot, swollen and painful, sometimes with blistering in the centre, and nearby lymph nodes can become tender. Fever and feeling suddenly unwell are common and are a feature to take seriously, not to sleep off.
Who gets it, and why it comes back
Erysipelas is most common in older adults, in people with chronic leg swelling or lymphoedema, venous disease, obesity or diabetes, and in anyone with a previous episode, because each infection damages lymph drainage a little more and makes the next one easier.[2] That is why recurrence prevention, covered below, is a core part of proper treatment rather than an afterthought.
Why erysipelas always needs antibiotics
This is not a condition for watchful waiting or home remedies. Erysipelas is a true bacterial infection: antibiotic treatment is the treatment, and starting it promptly shortens the illness and prevents the rare but serious complications of spreading infection, abscess formation and sepsis.[1] Antibiotic stewardship cuts both ways: the doctors do not prescribe antibiotics for viral illnesses where they do nothing, and they do not withhold them from a genuine bacterial skin infection where they are essential. If erysipelas is the diagnosis, the only question is oral treatment at home or intravenous treatment in a clinic, never whether to treat. Complete the full course even though the skin usually starts improving within a couple of days; redness can take a week or more to fade fully, and stopping early invites relapse.
Which treatment might the doctor recommend for erysipelas?
The decision follows the site, your symptoms and your risk profile. This is the framework the doctors use, aligned with the cited guidance:[1][3]
Swipe sideways to compare →
| Presentation | Likely first step | Suitable for online care? | When referral or in-person care is needed |
|---|---|---|---|
| Early, limited patch on an arm or leg, sharp border, no fever, otherwise well | Oral antibiotics started promptly, a pen line around the redness, and a fixed review within 48 hours | Often yes | If redness crosses the pen line, fever starts, or you feel worse before the review |
| Erysipelas involving the face | Same-day in-person assessment | No: assessment and redirection only | Always; facial infection needs examination and often intravenous treatment |
| Fever, chills, vomiting, or redness spreading over hours | Same-day in-person care, where intravenous antibiotics can be given if needed | No: you are directed to in-person care the same day | Always |
| Repeated episodes, currently well between them | Prevention review: entry-point treatment, emollients, swelling management, and discussion of preventive antibiotics for frequent recurrences | Yes | Long-term preventive prescribing follows local pathways, agreed with your regular doctor |
| Severe pain out of proportion, rapidly darkening or blistering skin | Emergency care now: call 112 | Never | Always, immediately |
Not sure which row you are in? A doctor can tell you in one consultation.
See available times →Treatment options for erysipelas
What you can do yourself, alongside antibiotics
Self-care supports treatment; it never replaces it. Rest with the affected limb raised (on cushions for a leg, whenever you are sitting), drink enough fluids, and take paracetamol for pain and fever.[5] Keep the pen line updated so you can see objectively whether the redness is shrinking. Do not wait to see whether an untreated patch improves on its own, and do not rely on creams, ice or home remedies: none of them touch the bacteria.
Prescription treatment
A prescription is never issued without a consultation. When oral treatment at home is the safe option, first-line antibiotics are from the penicillin family, with alternatives such as clarithromycin or doxycycline where there is a genuine penicillin allergy; a typical course runs 5–7 days, extended if the infection is slow to settle.[1][3] The doctor also treats the entry point, most often an antifungal for athlete's foot, because leaving the door open is how the next episode starts. Improvement should be visible within 48 hours; the plan includes exactly what to do if it is not, which is an in-person review rather than a second guess.
Preventing the next episode
Around the infection itself sits the longer game: erysipelas recurs readily, and each episode makes the next more likely by damaging lymph drainage. Prevention means treating athlete's foot promptly and keeping toe webs dry (the ringworm and athlete's foot page covers this), using emollients daily so shins and heels do not crack, managing leg swelling with elevation and compression where advised, caring for even trivial wounds, and keeping diabetes well controlled. For people with frequent recurrences, guidelines support low-dose preventive antibiotics, a decision the doctor discusses with you and coordinates with your regular care, since long-term prescribing follows local pathways.[1]
When erysipelas is treated online, and when you need in-person care
Treated online: early, limited erysipelas on a limb in an otherwise well adult, with oral antibiotics when the doctor judges them right, edge tracking and a fixed 48-hour review; unclear red patches where the first job is naming the problem; entry-point treatment such as athlete's foot; and recurrence-prevention planning between episodes.
In-person care: any facial involvement, the same day; fever, chills, vomiting or fast spread, the same day; infants, frail older adults, pregnancy, immunosuppression or poorly controlled diabetes, where the threshold for in-person care is much lower; infection not clearly improving within 48 hours of antibiotics; suspected abscess; and anything suggesting deep or necrotising infection, which is a 112 call, not a booking. When the doctor redirects you, you are told exactly where to go and why, and if your doctor decides you need to be seen in person you get a full refund and clear directions to the right care.
When to get in-person care
Go the same day if the rash involves your face, if fever or chills develop, if redness spreads beyond your pen line, or if you are not clearly improving after 48 hours of antibiotics. Call 112 immediately for signs of sepsis (high fever with confusion, drowsiness, rapid breathing or a racing heart, mottled or unusually cold skin) or for severe pain out of proportion to what you can see, with skin turning dusky, purple or black or blistering rapidly: these need emergency treatment now.
How Mobi Doctor works
- Book a time that suits you: open daily 7am–11pm CET. You can see a doctor over video, usually within 15 minutes. No subscription, exact price up front.
- Upload your skin photos, then speak to a licensed doctor: a private video call: you describe what you feel, the doctor asks what matters, and you agree the right plan together.
- Leave with your plan: everything agreed before you hang up: your plan, and a prescription to use at a pharmacy near you where medication is clinically right for you. If your doctor decides you need to be seen in person, you get a full refund.
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Not sure it’s erysipelas? Tick every symptom you have to see each condition page that mentions it. It finds the right page, not a diagnosis: a doctor gives you that on a video call. If you have an emergency sign listed on this page, call 112 instead.
Tap the body — an area or a point — to browse symptoms anywhere
Similar symptoms, different condition? Cellulitis can start the same way. Compare them, or look up any other symptom in the full symptom checker.
Frequently asked questions about erysipelas
What is erysipelas?
Erysipelas is a bacterial infection of the upper layers of the skin and the lymph vessels just beneath, almost always caused by group A streptococci entering through a small break in the skin. It appears as a bright red, hot, swollen, raised patch with a sharp edge, usually on a lower leg or the face, often with sudden fever, and it always needs antibiotic treatment.
What is the difference between erysipelas and cellulitis?
Erysipelas infects the upper skin layers, so it looks bright red, slightly raised and sharply bordered, often with sudden high fever; cellulitis sits deeper, with flatter, hazier redness that fades gradually into normal skin. They overlap, are often hard to tell apart, and both need prompt antibiotics, so the name matters less than how fast the redness is moving and how unwell you are.
What causes erysipelas?
Erysipelas is caused by streptococcal bacteria, usually group A streptococcus, getting through a break in the skin: athlete's foot between the toes, a cracked heel, an insect bite, a graze, an ulcer, or eczema. Leg swelling or lymphoedema, obesity, diabetes, a previous episode of erysipelas and a weakened immune system all make it more likely, because fluid-logged tissue is easier for bacteria to spread through.
What are the symptoms of erysipelas?
Erysipelas often starts with fever, chills and feeling unwell a few hours before the skin changes. Then a patch of skin, most often on one lower leg or across the cheeks and nose, becomes bright red, shiny, swollen, hot and painful, with a raised edge you can feel; blisters, red streaks towards the groin and tender swollen lymph glands can follow as the erysipelas spreads.
Can an online doctor prescribe antibiotics for erysipelas in Europe?
Yes, in the right circumstances, and only after a consultation. For an early, limited patch of erysipelas on a limb in someone otherwise well, the doctor can prescribe oral antibiotics with a fixed 48-hour review, and the prescription can be used at a pharmacy near you. Erysipelas on the face, or with fever, vomiting or fast spread, is sent to in-person care instead, because intravenous antibiotics may be needed.
Is erysipelas contagious?
No, erysipelas is not contagious in any everyday sense. The streptococcus bacteria involved are common and live on many people's skin and throats; erysipelas happens when they enter through broken skin, not by being near someone with a red leg. Normal hygiene, covering any weeping area and not sharing towels are all the precaution needed.
Can erysipelas get better without antibiotics?
No, it is not safe to wait for erysipelas to improve without antibiotics. Erysipelas is a bacterial infection that spreads through the skin and lymph vessels and can, uncommonly, lead to abscesses, blood-poisoning or kidney complications; guidelines are unambiguous that it needs prompt antibiotic treatment. If you cannot get antibiotics quickly, go to in-person care rather than watch and wait.
How long does erysipelas take to heal?
With antibiotics, the fever and pain of erysipelas usually ease within 24 to 48 hours and the redness stops spreading; the course runs 5 to 7 days, extended when improvement is slow. The colour then fades over one to two weeks, the skin often peels, and swelling of the leg can take weeks longer to settle. Erysipelas not improving after 48 hours of tablets needs review.
Why does my erysipelas keep coming back?
Usually because the door is still open: untreated athlete's foot, cracked dry skin, leg swelling or lymphoedema, a venous ulcer, and previous episodes of erysipelas that have damaged lymph drainage all make recurrence easier, and about 1 in 3 people have a repeat within three years. Prevention means treating the entry point, daily emollients, compression for swelling and, after two or more episodes, preventive low-dose penicillin.
What can I do at home while taking antibiotics for erysipelas?
Home care for erysipelas runs alongside antibiotics, never instead of them: rest with the leg raised above hip level, drink plenty, take paracetamol for pain and fever, draw a pen line round the redness with the time so spread is obvious, and keep every dose of the course going even once you feel better. No tight bandages, no heat, and in-person care if the line is crossed or fever returns.
How is erysipelas on the face different?
Facial erysipelas, typically a butterfly-shaped red swelling across the cheeks and nose, is treated as more urgent than erysipelas on a leg because the infection sits close to the eyes and the veins that drain towards the brain, and because swelling can close an eye. It needs in-person assessment without delay, and often intravenous antibiotics, rather than an online consultation.
Is erysipelas more serious in older people, in pregnancy or with diabetes?
Yes. Older people get erysipelas more often because of leg swelling, thin skin and poorer circulation, and may show confusion or going off food before fever. In pregnancy, erysipelas is treated with antibiotics safe in pregnancy and any fever is reviewed promptly. With diabetes or a weakened immune system, erysipelas spreads faster and the threshold for in-person care and intravenous treatment is lower.
- Cellulitis, acute (including erysipelas): Clinical Knowledge Summary, NICE Clinical Knowledge Summaries, revised 2024.
- Erysipelas, DermNet New Zealand Trust, reviewed 2024.
- Cellulitis and erysipelas: antibiotic treatment guideline, HSE, Health Service Executive (Ireland), reviewed 2025.
- Cellulitis, DermNet New Zealand Trust, updated 2026.
- Cellulitis, HSE, Health Service Executive (Ireland), accessed August 2026.
- Cellulitis and erysipelas: antimicrobial prescribing (NG141), National Institute for Health and Care Excellence, 2019.
This page is for information only and is not a substitute for a medical consultation. Guideline links are provided for transparency; treatment decisions are made with your doctor.
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