Tetanus Immunisation

Authored by , Reviewed by Dr Helen Huins | Last edited | Meets Patient’s editorial guidelines

All children and adults should be immunised against tetanus. See your practice nurse if you think that you are not fully immunised.

Tetanus is an infection caused by a germ (bacterium) called Clostridium tetani which can attack the muscles and nervous system. Tetanus is a serious infection which can even be fatal. Tetanus germs (bacteria) live in the soil and dirt. The bacteria may get into your body through a cut or a wound in the skin. The bacteria make a poison (toxin) which causes the illness.

Even small wounds such as a prick from a thorn can allow enough bacteria to get into the body to cause tetanus. The illness usually takes 7-8 days to develop but can vary from one day to two months. Therefore, you may have forgotten about a small cut before the illness starts.

Tetanus in the UK is extremely uncommon. Most cases occur in people over the age of 65 years who have not been immunised against tetanus, as the immunisation was only routinely introduced in 1961. In 2013 there were only seven cases of tetanus in the UK. Tetanus is largely a disease of the developing world and the poor, where there is inadequate vaccination.

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Tetanus vaccine is actually given as a combination vaccine with other vaccines. There are three types of combination vaccine:

  • For young children the pre-school booster is normally part of the combined diphtheria/tetanus/acellular whooping cough (pertussis)/inactivated polio vaccine (DTaP/IPV or dTaP/IPV).
  • For children aged under 10 years the vaccine is usually part of the combined diphtheria/tetanus/acellular whooping cough (pertussis)/inactivated polio vaccine/plus Haemophilus influenzae type b and hepatitis B vaccine (DTaP/IPV/Hib/Hep B). This is called the 6-in-1 vaccine.
  • For adults and teenagers who receive tetanus immunisation, a combined tetanus, diphtheria/inactivated polio vaccine (Td/IPV) is normally used.

The vaccine stimulates your body to make antibodies against the tetanus toxin. These antibodies protect you from illness should you become infected with tetanus.

All children are offered tetanus immunisation as part of the routine immunisation programme. A full course of tetanus immunisation consists of five doses of vaccine as follows:

 Children aged under 10 yearsChildren aged over 10 years and adults (who have not been immunised as a child)
Primary courseThree doses of vaccine - as 6-in-1 vaccine at 2, 3 and 4 months of age.Three doses of vaccine - as Td/IPV(polio), each one month apart.
4th doseThree years after the primary course - as part of the DTaP/IPV(polio) pre-school booster at 3 years and 4 months to 5 years.Five years after the primary course - as Td/IPV(polio).
5th doseAged 13-18 years - the school leaver booster - as Td/IPV(polio).10 years after 4th dose - as Td/IPV(polio).

The primary course of three injections gives good protection for a number of years. The fourth and fifth doses (boosters) maintain protection. After the fifth dose, immunity remains for life and you do not need any further boosters (apart from some travel situations - see 'I am going abroad', below). 

Some adults have not been fully immunised against tetanus because routine immunisation for children was not introduced until 1961. Men serving in the armed forces from 1938 onwards were offered tetanus immunisation. So, some older people may still be at risk.

See your practice nurse if you think that you are not fully immunised against tetanus (that is - if you have not had five injections in total). The course does not need to be started again if an injection is delayed. A late injection is sufficient to catch up, even if you have it years after it was due.

  • If you are not immunised or up-to-date with boosters then an injection of vaccine is usually advised.
  • If you are up-to-date with tetanus immunisations then you do not need a tetanus vaccine.

If your wound or injury is considered to be high risk for tetanus (for example, where there has been significant contact with soil or manure) then an injection of human tetanus immunoglobulin is usually given, regardless of whether your have been immunised against tetanus or not. This gives extra protection against tetanus.

Usually not if you are up to date with your immunisations. However, if you are to travel to areas where medical attention may not be available then a dose of vaccine may be advised. This is even if you have had five previous injections. In particular, if it has been more than 10 years since your last injection. This is a precautionary measure in case you have a very dirty wound and do not receive antiserum. Your doctor or practice nurse will advise you further about this.

You can find out if immunisation against tetanus is recommended for any countries you are planning to visit from the NHS website Fitfortravel. 

It is common to get a little redness and swelling around the injection site, which goes after a few days. Some people feel slightly unwell for a day or so, with a mild headache, slight aching of the muscles and a mild high temperature (fever). Severe reactions are extremely rare.

If you are unwell with an illness causing a high temperature (fever), it is wise to postpone an injection until the illness has gone (except if the dose is needed after a cut or wound). Also, you should not have another injection of vaccine if a previous injection caused a severe reaction. The tetanus vaccine is safe if you are pregnant or breast-feeding.

BCG Immunisation

Polio Immunisation

Further reading and references