On this page
Dr. Chrysoula I. Liakou MD, PhD
- Treated online: Yes, usually. Orf is confirmed from the photo and the story of sheep or goat contact, wound care is advised, and antibiotics prescribed only for a secondary bacterial infection; a weakened immune system or an unusually large lesion needs in-person care.
- What it is: infection of the skin by the orf parapoxvirus, caught from the mouths and udders of infected sheep and goats or from contaminated wool, fencing, feeders and knives; it is an occupational infection of farmers, shepherds, vets, abattoir workers and families bottle-feeding lambs.
- How long: the lump appears 3 to 7 days after contact, passes through 6 recognisable stages, and heals in about 3 to 6 weeks without a scar; antibiotics do nothing against the virus itself.
- Spread: orf rarely passes between people, but it can spread to another spot on your own skin or to your eye, so keep the lesion covered with a waterproof dressing and wash hands after touching it.
- Prevention: wear gloves when handling sheep or goats, cover cuts, wash hands afterwards, disinfect equipment, and have the flock vaccinated; immunity after orf is partial, so reinfection is possible but usually milder.
- Emergency: call 112 if a secondarily infected orf lesion comes with high fever, confusion, fast breathing or a racing heart.
Online care suits a typical orf lesion in someone who is otherwise well. Book in-person care if the area becomes increasingly painful, red and swollen with pus or fever, which suggests a secondary bacterial infection, or if you have a weakened immune system, where orf can be more aggressive. See the referral criteria below before booking.
Can an online doctor treat orf?
Orf is a self-limiting viral skin infection caught from sheep and goats, and it usually clears on its own in three to six weeks, so there is no antiviral to prescribe.[1] An online doctor can confirm it from a clear photo and your animal-contact history, reassure you, advise on keeping the lesion clean and protected, and treat a secondary bacterial infection if one develops.
How an online consultation helps with orf
- Recognised from the photo and the story: a firm lump on the hand or finger in someone who has handled sheep or goats is characteristic, so a close-up plus the history usually makes the picture clear.
- Honest reassurance: orf looks dramatic but is self-limiting, and knowing it will heal over a few weeks without an antiviral saves a lot of worry and unnecessary treatment.
- Secondary infection caught early: the doctor explains exactly what to watch for, and can prescribe antibiotics if the lesion becomes bacterially infected.
- Referral when it matters: a weakened immune system, an unusually large or spreading lesion, or a diagnosis that does not quite fit are flagged for in-person care.
📷 Photograph the lesion in daylight, usually on a finger or the back of the hand: one sharp close-up showing its surface, and one wider shot for size and site. Note in the booking when it appeared, whether it is weeping or crusting, and, importantly, any recent contact with sheep, goats or lambs.
What the doctor checks in an online orf consultation
The assessment is structured around confirming orf, gauging its stage, and spotting any complication. In an orf consultation, the doctor will typically assess:
- The lesion itself: a firm, red-to-purple lump, often with a paler centre or a weeping, crusted surface, and which stage it has reached in its usual six-week evolution.[1]
- Site and number: orf is usually a single lesion on a finger or hand, at the point of contact, so multiple or oddly placed lesions prompt a second look.
- The animal-contact history: handling sheep or goats, bottle-feeding lambs or kids, lambing, or slaughter around a festival, which is the key clue.[2]
- Signs of secondary infection: increasing pain, spreading redness, warmth, pus or fever, which point to a bacterial infection on top of the virus.
- Your immune status: because orf can be larger and more persistent, and occasionally needs specialist treatment, in people who are immunosuppressed.[3]
- Look-alikes: milker’s nodule from cattle, a bacterial abscess, a pyogenic granuloma or, rarely, other infections, which the history and appearance help separate.
What is orf, and how do you catch it?
Orf is a skin infection caused by a parapoxvirus that naturally infects sheep and goats, where it causes scabby sores around the mouth and nose (sometimes called scabby mouth or contagious ecthyma). People catch it by direct contact with an infected animal or with contaminated material such as fencing, feeding equipment or wool.[3] It is an occupational infection of farmers, shepherds, vets, abattoir workers and anyone bottle-feeding lambs or kids, and cases rise around festivals that involve handling or slaughtering animals.[2] It is not caught from person to person in ordinary contact.
How the lesion evolves
Orf usually appears about a week after contact, as a single small red lump on a finger or hand. Over roughly six weeks it moves through recognisable stages: a firm red-blue papule, then a target-like nodule with a red centre and white ring, then a weeping, crusted surface, before it dries up and heals, typically without a scar.[1] A mild fever and some swelling of the nearby lymph glands can accompany it. Because the course is predictable and self-resolving, the main job of a consultation is to confirm the diagnosis and keep watch for the one common complication, a secondary bacterial infection.
Orf, or something else?
A few conditions can resemble orf, and the animal history is often what settles it. Milker’s nodule is almost identical but comes from cattle rather than sheep or goats.[4] A bacterial abscess or an infected cut is more acutely painful and spreads faster. A pyogenic granuloma is a bright-red lump that bleeds easily. Viral lesions such as warts look different and lack the contact story. Where the picture does not fit orf, or a lesion is not following the expected course, the doctor will arrange in-person review rather than assume.
Preventing orf and reinfection
Because orf comes from animals rather than other people, prevention centres on how you handle livestock. Wear gloves when treating sheep or goats, especially when they have scabby sores around the mouth or when you are bottle-feeding lambs and kids, and wash your hands and any exposed skin afterwards. Cover cuts and grazes before handling animals, since broken skin is where the virus takes hold. Cleaning shared equipment, gates and feeding gear reduces contaminated surfaces, which can carry the virus for a long time.
Having had orf once does not reliably prevent it again, so the same care matters season after season, particularly during lambing and around festivals that involve handling or slaughtering animals. If you keep livestock, working with your vet to manage outbreaks in the flock lowers your own exposure. While a lesion is healing, keeping it covered protects both other people and other animals, and stops you spreading it to a second site on your own skin.
Which orf cases suit online care, and which need examining?
This is the framework the doctors use, aligned with the cited guidance:[1]
Swipe sideways to compare →
| Presentation | Likely first step | Suitable for online care? | When referral or in-person care is needed |
|---|---|---|---|
| Single firm lump on the hand after sheep or goat contact | Confirm the diagnosis; supportive wound care; expect healing in 3–6 weeks | Usually yes | Diagnostic uncertainty, or atypical or multiple lesions |
| Orf with increasing pain, spreading redness or pus (secondary bacterial infection) | Antibiotics for the bacterial infection | Usually yes | Spreading cellulitis, or feeling unwell with fever |
| Orf in someone immunosuppressed, or a giant or persistent lesion | Specialist assessment; some cases need specific treatment | No: assessment and referral only | Always |
| Diagnosis unclear (could be milker’s nodule, abscess or other) | Assessment, with in-person review or a swab if needed | Case-dependent | If it does not fit orf or is not settling |
| Fever with spreading redness, or feeling generally unwell | Prompt in-person care | No | Always; possible deeper infection |
Not sure if it is orf? A doctor can tell you in one consultation.
See available times →Treatment options for orf
What you can do yourself
Because orf heals on its own, care is mostly about protecting the lesion and letting it run its course. Keep it clean, cover it with a dry dressing to reduce knocks and to lower the small risk of passing the virus to another site or another animal, and resist squeezing or picking it, which invites bacterial infection.[1] Wash your hands after touching it. If you keep livestock, treating affected animals and handling them with gloves reduces the chance of reinfection. Most lesions settle over several weeks with nothing more than this.
When treatment is needed
There is no antiviral for orf, so the virus itself is not treated with medication; antibiotics do nothing against it. Treatment is reserved for a secondary bacterial infection, where increasing pain, spreading redness, pus or fever develops, and in that situation the doctor can prescribe an antibiotic after the consultation.[1][5] This is a deliberate use of antibiotics for a genuine bacterial infection, not routine treatment of orf. A prescription is never issued without a consultation, and any prescription can be used at a pharmacy near you. People who are immunosuppressed, or who have an unusually large or persistent lesion, may need specialist treatment arranged in person.
When orf is treated online, and when you need in-person care
Treated online: a typical orf lesion needing confirmation, reassurance and wound-care advice; orf with a secondary bacterial infection that suits a course of antibiotics; and reviews when a lesion is not following its expected, self-resolving course.
In-person care: orf in anyone immunosuppressed, and giant, spreading or persistent lesions, which may need specialist treatment; a secondary infection with spreading cellulitis or systemic upset; and any lesion where the diagnosis is genuinely unclear and an in-person look or a swab is the safer step. Orf is one of many skin conditions the doctors assess online, and the same photo-and-history process helps separate it from a rash or growth of another cause.
When to get in-person care
Orf itself is rarely dangerous, but see a doctor in person if the lesion becomes increasingly painful, red and swollen with pus, if red streaks spread up the arm, or if you develop a fever, which can signal a secondary bacterial infection. If you feel very unwell with a high fever and spreading redness, or develop signs of a serious allergic reaction such as facial swelling or difficulty breathing, call 112 immediately.
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 clear photos of the lesion, 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.
- Get a clear plan: confirmation and wound-care advice, treatment if secondarily infected, or a specialist referral where needed, or you get a full refund.
No sign-up needed
Not sure it’s orf? 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.
Tap the body — an area or a point — to browse symptoms anywhere
Not sure this is the right page? Look up any symptom in the full symptom checker, or book and describe it to a doctor.
Frequently asked questions about orf
What is orf?
Orf is a viral skin infection caused by a parapoxvirus that infects sheep and goats, in which it causes scabby sores around the mouth. People catch orf through broken skin after handling infected animals or contaminated equipment, and develop a single firm, red lump, usually on a finger or hand, that weeps, crusts and heals by itself over several weeks. Orf is harmless in most healthy adults.
How did I catch orf?
Almost always through direct contact with sheep or goats, or with wool, fencing, feeders, halters or knives they have contaminated, through a cut or graze on the hand. Bottle-feeding lambs or kids, lambing, shearing, and handling animals or carcasses around a slaughter festival are common routes. Orf is an occupational infection of farmers, shepherds, vets and abattoir workers, and of their families.
What does orf look like, and what are its stages?
Orf starts 3 to 7 days after contact as a small red lump, usually one, on a finger, hand or forearm. Over about six weeks it passes through recognisable stages: a target-like lump with a red centre and white ring, a weeping red nodule, a dry crusted stage, a warty stage, and regression. Orf is often 2 to 3 cm across, may be tender, and can bring mild fever and a swollen armpit gland.
Can an online doctor prescribe treatment for orf in Europe?
Orf is a self-limiting virus with no antiviral treatment, so usually no medication is needed, and a prescription is never issued without a consultation. If the orf lesion develops a secondary bacterial infection, the doctor can prescribe an antibiotic after assessing you by photo and video, with the prescription sent to a pharmacy near you. A large or stubborn orf lesion is reviewed in person.
How long does orf take to heal?
Usually three to six weeks. Orf moves through predictable stages, from a firm red lump to a crusted, weeping surface, before drying up and healing, typically without a scar. It resolves on its own, so the main reasons to seek help are confirming that the lump really is orf, treating a secondary infection, and getting in-person care if you have a weakened immune system, where orf can grow large.
Is orf contagious to other people?
Orf does not spread easily between people in ordinary contact; it is caught from infected sheep and goats or contaminated material rather than from a person. You can, however, spread orf to another spot on your own skin or to your eye, so keep the lesion covered with a waterproof dressing, avoid picking it, and wash your hands after touching it or changing the dressing.
Is it orf or something else?
Milker's nodule is a near-identical lump caught from cows rather than sheep. A pyogenic granuloma is a fast-growing bleeding red lump without animal contact. An infected cut or a boil is hot, painful and full of pus from the start. Cutaneous anthrax, very rare in Europe, forms a painless black-centred ulcer after contact with animal hides. The photo plus the animal history separate orf from each of these.
What can I do at home while orf heals?
Keep the orf lesion clean, covered with a waterproof dressing changed daily, and dry; take paracetamol or ibuprofen for tenderness; do not pick, cut or burn it, which delays healing and spreads the virus; wash hands after any contact; and avoid handling animals with bare hands until it has healed. Watch for increasing pain, spreading redness, pus or fever, which mean a bacterial infection on top.
How can I prevent orf and reinfection?
Prevent orf by wearing gloves when handling sheep or goats, especially at lambing, bottle-feeding and shearing, covering cuts before farm work, washing hands with soap afterwards, disinfecting feeders, halters and knives, isolating animals with scabby mouths, and having the flock vaccinated. Immunity after orf is partial and fades, so reinfection is possible, though usually milder and shorter.
Is orf dangerous in pregnancy or with a weakened immune system?
In pregnancy, orf behaves as it does in anyone else: it heals by itself and poses no known risk to the baby, and only a secondary infection would need pregnancy-safe antibiotics. With a weakened immune system, from chemotherapy, transplant medicines, high-dose steroids or HIV, orf can grow into a large, persistent or giant lesion that needs in-person specialist treatment rather than watching.
Can you get orf twice?
Yes. Immunity after an orf infection is only partial and fades with time, so people who keep working with sheep and goats can catch orf again, though repeat episodes are usually smaller and heal faster. Gloves, covered cuts and hand washing after animal contact are the only reliable protection, and there is no vaccine for people.
When does orf need in-person care?
Orf needs in-person care when a secondary bacterial infection develops, with increasing pain, spreading redness, pus or fever; when you are immunosuppressed; when the lesion is unusually large, is still growing after six weeks, or does not fit the typical picture; or when it sits near the eye. In those cases in-person assessment, and sometimes minor surgery or freezing, is the right route.
- Orf, DermNet New Zealand Trust, reviewed 2023.
- Orf: characteristics and diagnosis, UK Health Security Agency, GOV.UK, updated 2023.
- About Orf Virus (Sore Mouth Disease), Centers for Disease Control and Prevention, 2024.
- Milker’s nodules, DermNet New Zealand Trust, reviewed 2023.
- Cellulitis, HSE, Health Service Executive (Ireland), accessed August 2026.
- Orf, NHS 111 Wales, Welsh Ambulance Services University NHS Trust, updated October 2025.
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.
Related conditions
From the Mobi Doctor podcast
The 10 Most Common Travel Illnesses
The travel illnesses doctors see most often in Europe, and how to handle each one away from home.
Listen · 23 Feb 2026 → Podcast · 13:26How to Stay Healthy on a Long Flight
Practical steps for circulation, hydration and infection risk before, during and after a long flight.
Listen · 23 Feb 2026 → Podcast · 15:41Debunking Gut Health Myths
What the evidence really says about gut health, and the popular claims that do not hold up.
Listen · 23 Feb 2026 →Speak to a doctor about orf over video, usually within 15 minutes
Licensed doctors · open daily 7am–11pm CET · exact price before payment
See available times →