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You can catch tetanus if you have an open wound.

You can catch tetanus if you have an open wound.
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4-minute read

Tetanus is a serious infection that causes painful muscle contractions, particularly of the neck and jaw. It is often fatal. Because of immunisation, few people now get tetanus in Australia. Everybody should be vaccinated.

What is tetanus?

Tetanus affects the nerves in your brain and spinal cord, which leads to painful muscle spasms throughout your body. It is sometimes referred to as ‘lock jaw’, because it typically causes spasms of the jaw making it close firmly (lock).

Tetanus causes

Tetanus is caused by infection with a bacterium called Clostridium tetani (C. tetani). The bacteria produce a toxin (or poison), which attacks your nervous system leading to muscle spam.

C. tetani lives mainly in soil, dust and manure, but can be found anywhere. You can become infected if the bacterium enters your bloodstream through an open wound. Even something as trivial as a prick from a rose thorn can become infected, but some wounds are more likely to become infected, for example if they are very deep, contain a foreign body like a splinter, or there is a wound over a broken bone (a compound fracture).

You are more at risk of tetanus if there is a lot of pus, damage to the tissues (such as with a burn) or if the wound has been contaminated with soil, dust or manure.

You cannot catch C. tetani or tetanus itself from other people.

Tetanus symptoms

After infection, symptoms usually take between 7 and 21 days to show. Symptoms include:

Tetanus is often fatal.

Tetanus vaccine

Tetanus is preventable. The tetanus vaccine is given as part of routine childhood immunisation under the National Immunisation Program. It’s given free of charge at 6 weeks to 2 months, 4 months and again at 6 months old. Booster vaccinations are recommended at 18 months and 4 years. Older children are usually given an additional booster vaccination at 11 to 13 years. You may also need a booster if you are going travelling or if you are injured. After the complete course of tetanus vaccinations, another booster is usually recommended for people over 50.

If you’re unsure whether your tetanus vaccination is up to date, see your doctor. It’s never too late.

Vaccination is your best protection against tetanus. This table explains how the vaccine is given, who should get it, and whether it is on the National Immunisation Program Schedule. Some diseases can be prevented with different vaccines, so talk to your doctor about which one is appropriate for you.

What age is it recommended?

Children at 2 months, 4 months, 6 months, 18 months, 4 years, and between 10 and 15 years.

Pregnant women in the third trimester.

50 years old if you haven’t had a tetanus vaccine in the last 10 years.

65 years if you haven’t had a tetanus vaccine in the last 10 years.

If you are travelling overseas and haven’t had a tetanus vaccine in the last 10 years.

If you have an open wound and haven’t had a tetanus vaccine in the last 5 years.

How many doses are required? 6 doses, then boosters every 10 years.
How is it administered? Injection
Is it free?

Free for children.

Free for people under 20 years old, refugees and other humanitarian entrants of any age.

For everyone else, there is a cost for this vaccine.

Find out more on the Department of Health website and the National Immunisation Program Schedule, and ask your doctor if you are eligible for additional free vaccines based on your situation or location.

Common side effects The vaccine is very safe. Side effects may include redness, swelling or hardness where the needle went in.

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Last reviewed: April 2019

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Tetanus is an acute, often fatal, disease caused by a toxin (poison) produced by bacteria.

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Tetanus is caused by a toxin produced by bacteria called Clostridium tetani. These bacteria are commonly found in the environment within soil, dust and manure.

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