A vaccine that protects against tetanus (lockjaw)
Tetanus vaccine
A vaccine that protects against tetanus, usually given combined with diphtheria and polio protection.
What is Tetanus vaccine?
The tetanus vaccine protects against tetanus, a serious illness (sometimes called lockjaw) caused by bacteria that can enter the body through wounds, especially dirty or deep ones. In the UK it is almost always given as a combined vaccine that also protects against diphtheria and polio, as part of the routine UK immunisation schedule in childhood with booster doses. Side effects are usually mild, such as soreness where the injection is given. If you get a wound that may be dirty, you may be offered an extra booster depending on your past vaccinations. Follow the UK immunisation schedule and your nurse's or doctor's advice.
Education and reference only. This is a plain-language guide to Tetanus vaccine — it deliberately contains no doses. Doses depend on the person, the brand and the reason for treatment, and belong with your prescriber. Always check the BNF, the product labelling (SmPC) and follow medical advice.
What it is
The tetanus vaccine is an immunisation that teaches the body to defend itself against tetanus, a serious illness caused by a toxin from bacteria found in soil and dirt, which can enter through cuts and wounds. In the UK it is given as part of combined vaccines that also protect against diphtheria and polio (and, in young children, other illnesses too), rather than on its own. It is part of the routine UK childhood immunisation schedule, with booster doses at set ages so that protection lasts into adult life.
How it works
The tetanus vaccine contains an inactivated, harmless form of the tetanus toxin. When it is given, the immune system learns to recognise it and makes protective antibodies, without the person ever having the illness. If the real bacteria later enter the body through a wound, these antibodies are ready to neutralise the toxin before it can cause harm. Because protection fades slowly over many years, booster doses are given at intervals to keep the immune system primed, which is why a full course followed by boosters provides long-lasting cover.
Company & origin
Originated / developed by: Various manufacturers.
A vaccine used across the UK as part of the routine UK immunisation schedule to protect against tetanus, usually combined with protection against diphtheria and polio.
Practical use
How to take Tetanus vaccine
General, dose-free guidance — always follow your prescriber's and the leaflet's specific instructions.
- Have it as part of the routine UK immunisation schedule, following the ages and booster times you are advised.
- Keep a record of your vaccinations so you and your GP know when you last had a tetanus-containing vaccine.
- If you get a dirty or deep wound, seek advice, as you may need an extra booster depending on your past doses.
- Expect mild soreness, redness or swelling where the injection is given, which usually settles in a day or two.
- Tell the nurse or doctor about any serious reaction to a previous dose before having another.
Weighing it up
Advantages & disadvantages of Tetanus vaccine
Advantages
- Protects against tetanus, a serious and potentially life-threatening illness.
- Given as part of a combined vaccine, so it also protects against diphtheria and polio in the same injection.
- Provides long-lasting protection when the full course and boosters are completed.
Disadvantages
- Can cause mild, short-lived soreness, redness or swelling where the injection is given.
- Protection fades slowly over time, so booster doses are needed.
- A dirty or deep wound may still require an extra booster depending on your vaccination history.
Practical use
Good to know
It helps to understand that tetanus is caught from the environment, not from other people, so vaccination is the main way to stay protected. In the UK the tetanus vaccine is given as part of a combined vaccine alongside diphtheria and polio, following the routine UK immunisation schedule rather than as a standalone jab. A practical point is wound care: if you get a wound that may be contaminated with soil or dirt, especially a deep or dirty one, you may be offered an extra tetanus booster (and sometimes a special injection of ready-made antibodies) depending on how many doses you have already had and how long ago. Side effects are usually mild and short-lived, such as soreness, redness or swelling where the injection is given. If you are unsure whether you are up to date, your GP practice can check and advise.
Who should not take it / use with caution
- People who have had a serious allergic reaction to a previous dose or a vaccine ingredient should not have it.
- If you are unwell with a high temperature, vaccination may be delayed until you are better.
- Always tell the nurse or doctor about any past reactions so they can advise on the right course.
Monitoring
- Keeping a record of doses so boosters are given at the right times.
- A short period of observation after the injection in case of an immediate reaction.
- Checking vaccination history when a wound occurs to decide if an extra booster is needed.
Side effects
- Soreness, redness or swelling where the injection is given.
- A mild raised temperature, tiredness or feeling generally off for a day or two.
- Headache or aching, which usually settle on their own.
- Very rarely, a serious allergic reaction soon after the injection, which staff are trained to manage.
Key interactions
- It can usually be given at the same time as other routine vaccines, as your nurse or doctor advises.
- Tell the team about any medicines that affect the immune system, as these can affect how well vaccines work.
- There are no everyday food or drink interactions with the tetanus vaccine.
Available as: An injection, usually given into the muscle of the upper arm as part of a combined vaccine.
Answers
Tetanus vaccine: frequently asked questions
What does the tetanus vaccine protect against?
It protects against tetanus (sometimes called lockjaw), a serious illness caused by a toxin from bacteria that can enter the body through wounds, especially dirty ones.
Is it given on its own?
In the UK it is almost always given as part of a combined vaccine that also protects against diphtheria and polio, following the routine UK immunisation schedule.
Do I need a booster after a dirty wound?
You may be offered an extra booster, and sometimes a special antibody injection, depending on how many doses you have had and how long ago, so seek advice for dirty or deep wounds.
What are the common side effects?
They are usually mild, such as soreness, redness or swelling where the injection is given, and sometimes a mild temperature or tiredness.
How do I know if I am up to date?
Your GP practice can check your vaccination record and advise whether you need a booster, so it helps to keep your own record too.
The wider class
About Vaccine (tetanus protection)
Tetanus vaccine belongs to the vaccine (tetanus protection) class. For how the class as a whole works, its shared safety principles and monitoring, see the full guide.
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Authoritative sources
- BNF
- NICE CKS
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