Dog Walker Who Found A Tick On Her Leg This Morning — Free SCA Practice Case
Dog walker who found a tick on her leg this morning
Station Timer
Golden Minute
Initial Introduction
•Introduce yourself
•Ask an open question — "How can I help you today?"
•Listen — don't interrupt
•Catch early cues
Data Gathering
History, ICE & Diagnosis
Clinical Management
Diagnosis, Plan & Decisions
Safety Net
Follow-up & Close
Five cases are free: a live 12-minute consultation with an AI patient each, marked, and no card.
Materials for Candidate
Please review before starting the consultation
Full Name
Jaswinder Dhillon
Age
55 years
Consultation Type
TelephoneAge
55
Situation
Telephone Consultation. Same day call booked this morning.
Reason for Encounter
"Found a tick on my leg this morning and took it off. Can I have some antibiotics to be on the safe side?"
Medical Records
- ●PMH: Hypertension. Mild osteoarthritis of both knees.
- ●Medications: Amlodipine 5 mg once daily.
- ●Allergies: NKDA.
- ●Social: Self employed. Non smoker.
Recent Notes
- ●Practice nurse, 18 months ago: Blood pressure 136/84 on repeat. No change.
- ●No record of previous tick bites or of any condition or medicine affecting immunity.
Patient Script
For the friend playing the patient role
Character Overview: You are Jaswinder Dhillon, known as Jas, a 55 year old self employed dog walker. You walk other people's dogs five days a week, usually four to six at a time, mostly in the New Forest and the woods near your home in Totton. You are practical, quick and friendly, with no patience for fuss. You are ringing from your van between walks, so you want this sorted without a long chat, but you are polite and you listen.
This morning, getting dressed, you found a tiny dark tick stuck to the back of your right calf. You took it off straight away with your fingernails, squeezing as you pulled. You were in the Forest yesterday afternoon. You feel completely well. Ticks are part of the job, but your friend Glenys, another dog walker, was ill for most of a year after a tick bite and lost her round, and it has unsettled you. You want antibiotics "to be on the safe side" and half expect to be told no.
You do not volunteer why you are really worried until the doctor asks what you think is going on or what is worrying you. You never name any illness yourself. You call it "what Glenys had". You speak fast and plainly, quieter when you talk about Glenys.
Opening Sentence: "Hello, doctor. Sorry to ring in the middle of the day, I'm between walks. I found a tick on my leg this morning and I've pulled it off, but could I have some antibiotics just to be on the safe side, please?"
History if Asked (Data Gathering Phase)
- ●When and where she was exposed: "I did a long walk in the Forest yesterday, about half one till half four, with four dogs. One of them's a bolter so I was in the bracken and long grass near Lyndhurst a fair bit."
- ●When she found it, what it looked like and how long it was on: "This morning, about seven, when I was getting dressed. The back of my right calf was itching, and there it was. It was teeny, dark brown or black, about the size of a poppy seed, flat, little legs. Not fat and round like the ones you find on a dog after a few days. It can't have been on longer than since yesterday afternoon, and I'd guess less."
- ●How she took it off: "I'll be honest, I pinched it between my nails and pulled, with a bit of a squeeze, to get it off quickly. It came away in one go as far as I could tell, legs and all. It's in the bin at home. I've got one of those plastic tick hooks in the glove box, never used it."
- ●The bite site now: "A little pink dot where it was, about the size of a lentil, with a tiny bit of pinkness round it. It's a bit itchy. It's not hot, not sore, nothing weeping, and it's the same as this morning."
- ●Any spreading, ring or rash elsewhere: "No ring, nothing spreading, no other marks. I checked my legs and round my waistband properly this morning."
- ●Other ticks: "I get them off the dogs most weeks, two on a client's spaniel yesterday. One got me on the arm years back and nothing came of it."
- ●Her habits in the Forest: "I check the dogs when we get back, but I don't always check myself. I wear cropped walking trousers that stop mid calf and short socks. I've never used repellent on myself. The clients' owners sort the tick treatment for their dogs."
Ideas, Concerns, Expectations
Gating note: Jas does not raise any of the following herself. Each part comes out only when the doctor asks what she thinks is going on, what is worrying her, or what she was hoping for from the call.
- ●Ideas: She thinks the tick may have put something into her and that a few days of tablets would knock it on the head before it can settle. She assumes antibiotics do no harm. "A few tablets can't hurt, can they? Better safe than sorry."
- ●Concerns: Her friend Glenys. "She got bitten a couple of years ago and never saw a mark. She just felt rotten, achy and tired for weeks. Her doctor said it was a virus and then stress. Eventually her face dropped down one side and her knees swelled up, and by the time they found out it was from the tick she'd lost most of a year. She lost her round as well." If the doctor explores further: "I'm self employed, no sick pay, and I've got fourteen regular dogs and a round that took me eleven years to build. What scares me most is being fobbed off like Glenys was. She kept ringing and kept being told it was nothing."
- ●Expectations: She wants a prescription today. "Even a short course would do." If the doctor suggests not taking antibiotics: "Then I want to know exactly what to look for, and I want your word that if I ring, somebody will take me seriously."
If Asked: Medical History and Medications
Gating note: Jas answers each of these plainly when the doctor asks about it.
- ●Health: "Amlodipine, five milligrams. Bit of wear and tear in both knees, I use a gel. Nothing else. No steroids, no tablets for my immune system, no cancer, no diabetes."
- ●Allergies and antibiotics: "None. I had amoxicillin for a tooth last year and it was fine."
- ●Other: Periods stopped three years ago. Never smoked, a glass of wine at the weekend.
Social History and Lifestyle Impact
Gating note: Jas mentions this naturally when talking about her work or her worries. It does not come out as a speech.
- ●Work: She has run her own round for eleven years, with about fourteen regular dogs, out five or six hours a day. "If I can't walk, I don't get paid, and people don't wait for you, they find someone else."
- ●Home: Lives in Totton with her husband Harjit, who works for the council. They have one dog.
- ●Lifestyle impact: "I'm not going to stop going in the Forest, it's the best bit of the job. I just don't want to end up like Glenys."
If Asked: Associated Symptoms
- ●Fever, shivers or sweats, headache, neck stiffness, sensitivity to light or confusion: "No, nothing like that. I haven't taken my temperature but I've felt perfectly normal, I'm completely with it."
- ●Aches in muscles or joints, swollen or hot joints, or tiredness: "Just the usual knees, no different, and nothing's swollen. I'm up at half five most days."
- ●Facial weakness, drooping, tingling or numbness, palpitations, dizziness, fainting, chest pain or breathlessness: "No, my face is fine, no pins and needles, and I've been walking the dogs all morning with no trouble."
- ●Sore throat, swollen glands, eyes, diarrhoea, vomiting, or changes in weight, appetite or sleep: "No, nothing. I'm a bit wound up about it, that's all."
Responses to Management (The Negotiation Phase)
- ●If the doctor says she will not prescribe antibiotics, or explains the risk and what antibiotics can do:
- ●Reaction: Disappointed, then pushes once. "Not even a short course? What's the harm? Better safe than sorry." If told most bites pass nothing on: "How unlikely? Glenys's was just a bite as well. Can you tell me I'll be alright?" If the doctor says she cannot promise: "Fair enough, I'd rather have a straight answer." If promised she will be fine: "How can you be sure?" On side effects: "Being sensitive to the sun would be a nuisance when I'm outdoors all day, but I take your point." If prescribed antibiotics or a standby course, she is relieved and pleased.
- ●If the doctor says no blood test or tick test is needed, or offers one:
- ●Reaction: Puzzled. "Why not? Glenys had loads of tests." She accepts it if told the test can be wrong this early and would not change what happens now. If offered a test she is keen. About the tick: "It's in the bin at home, do you want me to fish it out?" She is happy to leave it.
- ●If the doctor explains how to remove a tick properly, or gives prevention advice:
- ●Reaction: Surprised. "Squeezing it is bad? I didn't know that. I've got that plastic hook in the glove box, I'll use that next time." She gets defensive if criticised: "I was only trying to get it off quickly." On prevention: "I'm not giving up the Forest, it's my job." She accepts practical steps: "Trousers tucked in, spray, check myself as well as the dogs. That's easy enough."
- ●If the doctor lists warning signs, or says what happens if it develops:
- ●Reaction: If vague: "Unwell how? Glenys just felt a bit fluey for weeks and nobody put it together. And how long am I watching for?" On a rash: "I'm brown, doctor. Would I even see a red ring on me?" She is reassured to hear it can look like a bruise or flat darker patch and that Harjit can check the backs of her legs. On a drooping face: "That's what happened to Glenys. Would I ring you or just call 999?" On treatment: "So I'd get tablets straight away without waiting for a test? How long would I be on them?"
- ●If the doctor offers to see her in person, asks her to look at her legs again, or offers to text the warning signs:
- ●Reaction: Practical. "I could come in, but it's tiny. Would you do anything different if you saw it? I could come tomorrow before my first walk." She declines to look or measure during the call: "I'm in the van with the dogs, I checked this morning and again before I rang." "Yes please, text me. I'll never remember it all driving."
- ●Once a plan has been agreed without antibiotics:
- ●Reaction: Settled but wants a commitment. "Okay, I'll go along with that. But if I ring and say it's a tick, someone does see me, yes? I don't want to be told to book for next week."
Mark Scheme
Domain 1: Data Gathering and Diagnosis
Domain 2: Clinical Management and Medical Complexity
Domain 3: Relating to Others
Clinical Learning Points
The Core Dilemma and the Model Plan
- ●Jas is a well 55 year old whose tick was attached for about a day at most and is already off. She has a small itchy pink dot, no rash and no symptoms, and asks for antibiotics to be on the safe side. NICE guideline NG95 (Lyme disease) tells clinicians not to diagnose Lyme disease in people without symptoms, even after a tick bite, so there is no illness to treat.
- ●The skill is to decline the prescription without declining the person: her fear is real, and the answer is concrete warning signs, a time window and a quick route to being seen.
- ●Model plan: no antibiotics, no test, safe removal technique for next time, watch the bite and herself for up to 3 months, specific safety net with a destination for each group of symptoms, prevention fitted to her work, and a promise that she will be taken seriously if she rings.
- ●Also acceptable: a firm no or a not today with reasons, and offering to see her in person to check the bite. A standby course to start herself is not acceptable.
How Much Risk Is There?
- ●NG95 says most tick bites do not transmit Lyme disease and that prompt, correct removal reduces the risk. The UK Health Security Agency (UKHSA) estimates about 4% of ticks in England carry the bacteria, with variation by place. Southern England, including the New Forest, is higher risk, so this is a small but real risk.
- ●The longer an infected tick stays attached, the higher the risk. There is no UK threshold in hours. A 2020 US guideline (IDSA, AAN, ACR) uses 36 hours or more as one criterion of a high risk bite. Her tick was tiny, flat and not swollen, suggesting short attachment, but attachment time is an estimate, so the safety net matters more than the reassurance.
Why Preventive Antibiotics Are Not Routinely Given
- ●NICE Clinical Knowledge Summaries (CKS) say antibiotic prophylaxis after a tick bite is not routinely recommended in someone otherwise well. Remove the tick, clean the skin, watch the bite for several weeks and seek advice promptly if symptoms develop.
- ●Be accurate rather than absolute. US trials in endemic areas show prophylaxis reduces the chance of Lyme disease (placebo risk about 3%, reduced by about 22 cases per 1000 bites). IDSA recommends a single 200 mg dose of doxycycline within 72 hours for high risk bites only: an identified Ixodes tick, a highly endemic area and attachment of 36 hours or more. This is not UK advice, and Jas would not meet those criteria. Do not say there is no evidence. Say UK guidance does not recommend it routinely.
- ●Doxycycline side effects matter to an outdoor worker: photosensitivity, nausea, vomiting and diarrhoea. Never offer a standby course: it is not UK guidance and removes the assessment that makes treatment safe.
Removal, Aftercare and the Tick Itself
- ●NHS, UKHSA and CKS advice agree: fine tipped tweezers or a tick removal tool, grip as close to the skin as possible, pull upwards slowly and firmly, without twisting with tweezers and without squeezing or crushing the body. Mouthparts left in the skin can cause a local infection. Then clean with soap and water or antiseptic, wash hands and watch the site. Do not burn the tick or use petroleum jelly.
- ●Say squeezing is best avoided without overstating the harm. She did the right thing by acting quickly. Keep a tool where she can reach it on a walk, not in the van.
- ●The tick does not need keeping or testing. UKHSA says commercial tick test results should not guide diagnosis or treatment.
Why Not Do a Blood Test Now?
- ●NG95 recommends diagnosing and treating a typical erythema migrans rash without laboratory testing. Without a rash, combine the clinical picture with testing.
- ●Lyme blood tests detect antibodies, which take time to develop, so accuracy is reduced if testing is too early. A well person a day after a bite will usually test negative whatever happens later. Testing to reassure gives false comfort or needless worry.
- ●If she later became unwell without a typical rash: an ELISA (enzyme linked immunosorbent assay), repeated 4 to 6 weeks later if negative and suspicion remains, and an immunoblot if positive or equivocal or if symptoms have lasted 12 weeks or more.
Symptoms, Time Window and Serious Features
- ●Erythema migrans: a rash that increases in size, may have central clearing, is not usually itchy, hot or painful and is usually at the bite. It is usually seen 1 to 4 weeks after a bite, but can appear from 3 days to 3 months, and can appear elsewhere. On brown and black skin it may look like a bruise or a flat darker patch, so describe any expanding patch of any colour.
- ●Flu like illness: fever or shivers, headache, aching muscles or joints, tiredness. A rash is present in many but not all people, so the safety net cannot depend on it. Glenys never saw one.
- ●A mark on the day is not erythema migrans. A rash that develops and recedes within 48 hours, and is more likely hot, itchy or painful, is a reaction to the bite (NG95). Reassure her about the lentil sized dot but still ask her to watch it.
- ●Serious features: untreated Lyme disease can cause facial palsy and other cranial nerve palsies, meningitis, radiculopathy, inflammatory arthritis, myocarditis, heart block, pericarditis and uveitis. These are uncommon and mostly follow a missed early infection. 999 or emergency department the same day for sudden drooping of the face (which may also be a stroke), severe headache with stiff neck, sensitivity to bright light or confusion, fainting, palpitations, chest pain or breathlessness. Contact the practice or NHS 111 promptly, the same day where possible, for a spreading rash or flu like illness. Contact the practice promptly for a swollen painful joint or new tingling or numbness. NG95 advises emergency referral for suspected central nervous system infection, uveitis or cardiac complications.
- ●Always say she was bitten, with the date. That is exactly what went wrong for Glenys. Tick borne encephalitis is very rare in the UK.
If Lyme Disease Does Develop
- ●A typical rash is diagnosed clinically and treated without waiting for a blood test (NG95). Tell her so: she would not wait months as Glenys did.
- ●Adult erythema migrans or non focal symptoms: doxycycline 100 mg twice a day or 200 mg once a day for 21 days; first alternative amoxicillin 1 g three times a day for 21 days; second azithromycin 500 mg once a day for 17 days (not with cardiac abnormalities because of QT effect). A temporary worsening in the first day or so (Jarisch Herxheimer reaction) does not usually warrant stopping.
- ●Neurological, joint or cardiac features need longer or intravenous courses and specialist discussion. Most people get better with treatment, though recovery can take months for some.
Prevention for Someone Who Works in Tick Country
- ●NG95, CKS and the NHS: stay on clear paths, tuck trousers into socks, wear light coloured clothing so ticks show, use repellent containing DEET on skin and clothes, check skin at the end of the day and after each walk (skin folds, backs of knees, groin, armpits, waistband, hairline), and check pets. There is no Lyme vaccine in the UK.
- ●For a dog walker, add: check every dog after each walk and ask clients to keep up veterinary tick treatment. Do not tell her to stop walking in the Forest. It is her living.
Handling a Request That Comes From Fear
- ●Start with her reasons. Better safe than sorry is a sensible instinct, and the doctor can say so before explaining why waiting with a safety net is safer for her.
- ●Glenys is the real consultation. Acknowledge her, ask what happened, and use it: she was told for months it was a virus because nobody linked it to a tick. Build the plan to avoid that, and give a calibrated answer: low chance, not zero.
- ●Offer to text the warning signs. A face to face review is reasonable if she worries part of the tick was left or the bite looks infected.
Common Mistakes in This Station
- ●Prescribing to end the conversation, including a standby pack.
- ●Ordering Lyme serology to reassure her.
- ●Giving only the bullseye rash, missing the flu like illness and the appearance on brown skin.
- ●Giving no time window, or implying she is clear after a week.
- ●Vague safety netting without symptoms, speed or who to ring.
- ●Saying there is no evidence antibiotics help, which is inaccurate.
- ●Missing her real worry about Glenys, her income and being brushed off.
- ●Prevention advice that amounts to stopping work.
Mapped to the RCGP curriculum topic: Infectious Disease and Travel Health.
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