Tetanus and emergency vaccination
A tetanus booster, and sometimes an injection of ready-made antibodies, given after certain injuries to protect against tetanus, a rare but serious infection.
✓ Medically reviewed by a GMC-registered consultant · last reviewed September 2026 · next review September 2027 · how we review
In short
- After an injury you may be offered a tetanus booster, and for higher-risk wounds an injection of ready-made antibodies (immunoglobulin), depending on the wound and your vaccination history.
- It is preventive. It does not treat tetanus once symptoms have started, and it does not replace cleaning the wound.
- A booster builds protection over days; immunoglobulin gives immediate but short-lived cover for the riskiest wounds.
- A stiff jaw, muscle spasms or difficulty swallowing after a wound is a medical emergency - call 999.
A plain-English summary. The detail — including risks and recovery — is below.
At a glance
A general guide. Your specialist will give you advice for your situation.
Tops up or provides protection against tetanus, a rare but serious and sometimes fatal infection
A single emergency booster is not enough on its own for someone who has never been fully vaccinated; they also need to complete a proper course.
You can usually go home straight away and carry on as normal. The injection site may feel a little sore.
A clear record of what was given and when, shared with your GP.
You can usually go home straight away and carry on as normal. The injection site may feel a little sore.
Mild arm soreness, a small lump, or feeling slightly off-colour can occur and then settle. Simple pain relief...
Protection from a booster builds over this time. Immunoglobulin, if given, provides cover from the moment it is...
If you were not fully vaccinated before, you may be advised to complete the rest of the course over the following...
What is tetanus and emergency vaccination?
Tetanus is a rare but serious infection caused by bacteria that live in soil and manure and can get into the body through a wound. It does not spread from person to person. It can cause painful muscle spasms, a stiff jaw (sometimes called lockjaw), and difficulty breathing, and it can be life-threatening. In the UK it is rare because most people are vaccinated.
After certain injuries, a clinician decides whether you need extra protection. This can mean a booster dose of a tetanus-containing vaccine, which tops up your own immunity, and for higher-risk wounds it can also mean an injection of tetanus immunoglobulin, which is ready-made antibodies that give immediate but short-lived protection while your own immune system responds.
The decision depends on two things: how dirty or risky the wound is, and how many tetanus vaccines you have had in the past. Someone fully vaccinated with a clean, minor wound usually needs nothing extra; someone with an uncertain vaccine history and a dirty, deep wound may need both a booster and immunoglobulin.
Thorough cleaning of the wound is a crucial part of preventing tetanus, alongside any vaccine. A vaccine does not replace good wound care, and it does not treat tetanus once it has developed.
Types, options & approaches
There may be different ways to do this. The right approach depends on the clinical question and your circumstances.
Options at a glance
These are the main approaches described in this guide. The right option depends on the diagnosis, your goals and what your clinician thinks is safe.
Reinforcing (booster) dose of tetanus-containing vaccine
A top-up dose for people who have had the vaccine before but whose protection may have waned, or whose wound is risky. In the UK this is usually a combined vaccine that also...
Tetanus immunoglobulin (ready-made antibodies)
An injection of antibodies that gives immediate, short-lived protection. It is used for higher-risk wounds, or when someone is not fully vaccinated or their history is...
Completing the vaccine course
Someone who has never been fully vaccinated, or whose status is uncertain, may be advised to complete a full course of tetanus-containing vaccine afterwards, not just have a...
Routine childhood and adult schedule
Tetanus protection in the UK comes from the routine vaccination schedule, given in childhood with boosters later. A full course is five doses over time, which usually gives...
Preparing for your treatment
- Try to find out how many tetanus vaccines you have had and when the last one was; your GP record, red book or vaccine history helps the clinician decide.
- Tell the clinician how the injury happened, especially if it involved soil, manure, a dirty object, a deep puncture, a burn or an animal bite.
- Mention any allergy to a previous vaccine, and any reaction you have had before.
- Tell them if you have a condition or take medicines that affect your immune system, as this can change the advice.
- Mention if you are pregnant or breastfeeding; tetanus-containing vaccines are considered safe in pregnancy, but the clinician will confirm what is right for you.
- Make sure the wound itself is being properly cleaned and assessed, as this matters as much as the vaccine.
What happens
The clinician assesses the wound and asks about your vaccination history. They then decide, based on both, whether you need nothing extra, a booster vaccine, or a booster plus immunoglobulin.
If you need a vaccine, it is given as an injection, usually into the upper arm. If immunoglobulin is needed, it is given as a separate injection. The injections themselves take only a few minutes.
Before you leave, you should be told what you were given and why, whether you need to complete a full vaccine course later, how to look after the wound, and the warning signs of tetanus and of wound infection. You can usually go straight home.
Is this treatment right for me?
A good consultation should explore whether it's the right choice for you now — including reasons to wait or consider something else.
May not be suitable if…
- A single emergency booster is not enough on its own for someone who has never been fully vaccinated; they also need to complete a proper course.
- Vaccination does not treat established tetanus; someone with symptoms needs emergency hospital care, not a routine jab.
- An extra booster is not needed, and is best avoided, in someone who is already up to date with a clean, minor wound.
- It is not a substitute for cleaning and properly assessing the wound.
Delay or rearrange if…
- You have a high fever or are acutely unwell at the time - the clinician will judge timing, though protection after a risky wound should not be unduly delayed.
- You have had a severe allergic reaction to a previous dose - this needs discussion before any further vaccine.
- Your vaccine history is unclear and cannot be checked - the clinician may err on the side of protection rather than delay.
- You develop any warning signs of tetanus - this is an emergency, not a reason to wait for a routine appointment.
Alternatives to discuss
- No additional vaccine if you are fully up to date and the wound is clean and low risk.
- A booster alone for moderate-risk wounds in someone whose protection may have waned.
- A booster plus immunoglobulin for higher-risk wounds or uncertain vaccination history.
- Completing the full routine vaccine course for lasting protection if you were never fully vaccinated.
Before you decide
Use this as a shared-decision checklist. The aim is not just “can this be done?”, but whether it is right for you, now, with the risks and alternatives clearly understood.
What matters most to me?
Think about symptoms, daily life, work, caring responsibilities, sport, fertility, travel, appearance and anxiety — the right choice depends on your priorities, not just the medical facts.
What are all my options?
Ask about waiting, monitoring, medicines, rehabilitation, a smaller or larger procedure, a different test, NHS referral, or a second opinion where that would help.
What would make me pause?
Active infection, pregnancy, unstable medical problems, smoking, medicines that increase bleeding, poor support at home, or feeling pressured are all reasons to slow down and get tailored advice.
What happens if I do nothing today?
For some problems, waiting is safe; for others, delay can make treatment harder. A good consultation should explain the trade-off in plain English.
Benefits
- Tops up or provides protection against tetanus, a rare but serious and sometimes fatal infection
- Immunoglobulin gives immediate protection for the highest-risk wounds while your own immunity responds
- Lets a clinician judge your individual risk based on the wound and your vaccine history
- Brings your routine tetanus protection up to date if you were overdue
- Quick to give, with no anaesthetic and usually no time off needed
Risks & complications
- Soreness, redness or swelling where the injection was given
- A small lump at the injection site that settles over days
- Mild, short-lived tiredness, headache or feeling off-colour
- A mild raised temperature, more often in children
- A more uncomfortable, swollen arm for a day or two, especially if boosters are given close together
- Feeling faint or dizzy around the time of the injection
- A short-lived fever needing simple paracetamol
- An allergic reaction to the vaccine or immunoglobulin
- A severe allergic reaction (anaphylaxis), which is why you are given the injection where it can be treated
- Tetanus still developing if the wound was already infected or protection was inadequate - which is why wound care and the right prophylaxis both matter
Tetanus-containing vaccines and immunoglobulin have a long track record and serious reactions are rare. The bigger risk is usually getting the assessment wrong: missing that a dirty or deep wound needs protection, or giving an unnecessary booster when someone is already covered. The decision should be based on both the wound and an honest vaccine history. If you have had a severe reaction to a previous tetanus vaccine, tell the clinician.
Published figures to discuss
Tetanus itself is now rare in the UK because of widespread vaccination, and serious reactions to the vaccine and immunoglobulin are uncommon. Exact individual risk figures are not meaningful here, because the chance of tetanus depends on the wound and the person's vaccination status, and the chance of a vaccine reaction is low. Rather than a percentage, what matters is a correct assessment of the wound and an honest vaccine history.
| Figure | Reported range | How to interpret it | Source / confidence |
|---|---|---|---|
| Tetanus in the UK | Very rare, especially in fully immunised people | Rare does not mean harmless; established tetanus is a severe, potentially fatal illness. | Guide sourcesClinical context |
| Tetanus-prone wound | Higher with soil, manure, devitalised tissue, deep puncture, crush injury, burns or delayed cleaning | Wound type and vaccine history determine whether booster or tetanus immunoglobulin is needed. | NHS - Do I need a tetanus jab after an injury?nhs.ukSource-linked context |
| Local vaccine reaction | Common and usually mild | A sore arm, redness or mild fever is expected; severe allergic reaction is very rare. | Guide sourcesClinical context |
| Assuming childhood vaccination guarantees lifelong protection without boosters | Common misconception | UK guidance considers the full course and wound risk rather than giving boosters to everyone automatically. | NHS - Do I need a tetanus jab after an injury?nhs.ukSource-linked context |
These are literature figures, not a personalised prediction. Your own risks and likely benefits depend on your circumstances, your health, and how your care is carried out and followed up.
What happens afterwards
There is no real recovery from the injections themselves. Any soreness in the arm settles over a day or two. The protection then either builds over days (from a booster) or is present straight away but fades over weeks (from immunoglobulin).
- A sore arm or small lump at the injection site for a day or two
- Mild tiredness, headache or feeling slightly unwell
- A mild raised temperature, especially in children
- No change to your daily routine in most cases
Aftercare
- Continue to look after the wound itself: keep it clean, watch for infection, and keep any wound-check appointment.
- Use simple pain relief such as paracetamol for a sore arm or mild fever if needed, following the packet.
- Note down what you were given and the date, so your vaccine record stays accurate.
- If you were advised to complete a vaccine course, book the further doses as directed.
- Watch for the warning signs of tetanus and of wound infection, and know who to contact.
- Seek advice if the injection site becomes very swollen, hot and painful, rather than settling.
- A note of which vaccine and/or immunoglobulin you were given, and the date
- Simple pain relief at home
- A plan for completing the vaccine course if you were advised to
- Your wound-care instructions and any wound-check appointment
- Knowledge of the warning signs of tetanus
- A contact number for advice
⚠ Get urgent help if…
- A stiff jaw or difficulty opening your mouth after an injury - call 999
- Painful muscle spasms or stiffness, especially in the jaw, neck, tummy or back - call 999
- Difficulty swallowing or breathing - call 999
- Spreading redness, heat, swelling or pus at the wound (signs of wound infection)
- A high temperature, sweating or a racing heartbeat after a wound
- Severe swelling, redness and pain spreading from the injection site
- Signs of a serious allergic reaction soon after the injection, such as facial swelling, a widespread rash or difficulty breathing - call 999
Who to contact: your clinician, clinic or test provider first (keep their number to hand). For urgent advice when you can't reach them, call NHS 111. In an emergency, call 999.
General guidance — it doesn't replace the specific advice your specialist gives you.
Results & realistic expectations
When the assessment is right, the booster tops up your long-term protection and, where used, immunoglobulin covers the gap until that protection takes hold. For most people the wound then heals normally and tetanus does not develop.
A vaccine cannot guarantee protection if a wound was already badly infected, and it does nothing for tetanus once symptoms have begun, which is a medical emergency. It also cannot make up for a wound that was not properly cleaned. This is why prophylaxis is judged case by case and combined with good wound care.
A full course of five tetanus-containing vaccines over time usually gives long-lasting, often lifelong, protection in the UK, though a booster may still be advised after a higher-risk wound. Immunoglobulin is different: it gives only short-lived protection, which is why it is used to cover the early, riskiest period and not as long-term cover. If you were never fully vaccinated, completing the course is what gives durable protection.
Related tests, treatments or support
Emergency tetanus protection is given alongside cleaning and assessing the wound, and sometimes alongside antibiotics or wound closure. For certain injuries, such as animal bites, the clinician may also consider other infections and, very rarely, rabies risk if the bite happened abroad.
Follow-up & long-term care
If you were advised to complete a vaccine course, this is arranged over the following weeks and months. Otherwise, follow-up is mainly about the wound healing well. You should know who to contact if the wound looks infected or you develop any warning signs.
- Keep your routine tetanus vaccinations up to date, ideally completing the full five-dose course.
- Keep a personal record of when you last had a tetanus-containing vaccine.
- Seek prompt assessment after dirty, deep or puncture wounds and bites, rather than assuming you are covered.
Repeat, follow-on and what comes next
- Some people need more than one dose, because a single emergency booster does not complete an unfinished course.
- Occasionally a booster causes a sore, swollen arm, especially if doses were given close together.
- If the wound becomes infected despite prophylaxis, antibiotics and closer follow-up may be needed.
- Vaccine records sometimes need correcting afterwards if a dose was given in an emergency setting.
Ask what happens if the result is unclear or needs repeating, and what is included if further tests or follow-up are needed.
What good aftercare looks like
- A clear record of what was given and when, shared with your GP.
- A plan to complete the vaccine course where needed.
- Wound-care instructions and a wound-check plan alongside the vaccine.
- Written warning signs for tetanus and wound infection, and a contact route.
- Advice on managing a sore arm or mild fever after the injection.
What affects the cost
Costs vary a great deal between people and providers, and we don't publish prices. What matters is understanding what drives the cost and making sure your quote is complete. The main things that affect it:
- Whether you need only an assessment, a booster vaccine, or also immunoglobulin
- The clinician or nurse fee for assessing the wound and your vaccine history
- The cost of the vaccine and, if needed, immunoglobulin
- Whether wound care, antibiotics or imaging are needed at the same time
- Whether you need further doses to complete a vaccine course
- The type of facility and time of day (out-of-hours services may cost more)
- The fee for the assessment and the injection(s)
- The cost of the vaccine and any immunoglobulin separately
- Any wound care, antibiotics or imaging given at the same time
- The cost of any further doses needed to complete a course
- What happens, and what it costs, if you need to come back
- Whether your vaccine record will be shared with your GP
On the NHS? Tetanus assessment, boosters and immunoglobulin are routinely provided on the NHS as part of injury care and through the childhood and adult vaccination schedule; private services may offer convenient access, but the clinical decision should follow the same UK guidance.
You're entitled to your total cost in writing — including reports, follow-up and what happens if the result is inconclusive — before you decide.
Consent traps and marketing red flags
These are not small details. They are often where patients lose choice, time to reflect, or realistic expectations.
Consent traps
- Giving a booster without checking, or asking honestly about, vaccination history.
- Not arranging the rest of the course for someone who was never fully vaccinated.
- Implying the vaccine treats tetanus rather than prevents it.
- No clear warning about the emergency signs of tetanus or of wound infection.
- Treating the injection as a substitute for cleaning and assessing the wound.
Marketing red flags
- Offering tetanus jabs to everyone after any minor cut, regardless of vaccine history or wound type.
- Suggesting a single jab gives lifelong protection when a full course is what does.
- No proper wound assessment alongside the vaccine.
- Implying the vaccine can treat or cure tetanus.
Choosing a specialist safely
- Check the specialist is on the GMC Specialist Register for this area.
- Make sure they work at a CQC-registered service, and look for membership of the relevant Royal College or professional body.
- You're entitled to time to consider and to have your questions answered before you agree — the specialist who looks after you should explain it, not a salesperson.
- Be wary of pressure: time-limited offers or deposits taken before you've had time to think are red flags, not bargains.
- You're entitled to your total cost in writing — including any follow-up — before you decide.
Questions to ask your medical professional
Take this to your consultation. A good specialist will welcome every one of these.
- Based on my wound and vaccine history, do I need a booster, immunoglobulin, both, or nothing?
- Am I fully vaccinated, or do I need to complete a course afterwards?
- How is my wound being cleaned and assessed alongside this?
- What are the warning signs of tetanus and of wound infection that I should watch for?
- Who do I contact if the wound looks infected or I feel unwell?
- Are you on the GMC Specialist Register for this area, and which Royal College or professional body are you a member of?
- Will you be the specialist who carries out my treatment, and who looks after me afterwards?
- What are the risks for someone like me, and how often do your own patients have a problem or need it repeated or redone?
- What does a realistic result look like — and what can this treatment not achieve?
- What are my options, including waiting, doing nothing for now, or choosing a different approach?
- Can I have written information, results and aftercare instructions in a format I can use, including any accessibility or communication support I need?
- What is the total cost in writing, including any follow-ups, and how much time do I have to decide?
Frequently asked questions
Do I need a tetanus jab after every cut?
What is the difference between the vaccine and the immunoglobulin?
I don't know if I've ever had a tetanus jab. What happens?
Is the tetanus vaccine safe in pregnancy?
How quickly do I need it after an injury?
Does the jab treat tetanus if I already have it?
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How we made this page
Medically reviewed by a GMC-registered consultant. Written in plain English, checked against NHS, NICE, GMC and relevant Royal College / specialist-society guidance, and kept under review. No clinic paid to appear on this page, and we publish no pricing. This is general information to help you prepare — it is not a substitute for advice from your own clinician. How we review our guides →
Source hierarchy: UK regulator and NHS/NICE guidance first, then relevant Royal College or specialist-society guidance, then peer-reviewed evidence for procedure-specific figures where available.
Sources & standards: NHS - Do I need a tetanus jab after an injury? NHS - Tetanus UKHSA - Management of tetanus-prone wounds (guidance) Tetanus: the Green Book, chapter 30 NHS - Animal and human bites NICE CKS - Tetanus
Reviews reflect patients' experience of care, not clinical outcomes. For procedure volumes and outcome data see PHIN.
Last medically reviewed 2026-09-21. Spotted something wrong or out of date? Report an error in this guide.
Related guides: Dressings and wound care · Acute illness triage and referral · Allergic reaction and anaphylaxis treatment · Dehydration and IV fluids · Minor injuries treatment