tetanus
C2Pronunciation
UK
- /tˈɛtənəs/
US
- /ˈtɛtənəs/
Description
- Lockjaw
- bacterial infection
- preventable with vaccine
You do not hear about tetanus every day, but it is a serious bacterial infection that affects the nervous system and often causes painful muscle stiffness, especially in the jaw and neck. That is why it is often called "lockjaw." It can enter the body through wounds such as cuts or punctures, and the bacteria grow best where there is little oxygen. The good news is that it is highly preventable with a vaccine, which is why booster shots are so important. Think of vaccination as a strong layer of protection against this dangerous infection.
Tetanus is a severe and often fatal bacterial infection caused by Clostridium tetani. This bacterium lives in soil, dust, and animal feces, and enters the body through breaks in the skin—even seemingly minor ones like scratches or punctures from contaminated objects. It is not contagious person-to-person.
Once inside, the bacteria produce a powerful toxin that affects the nerves controlling muscles. This leads to painful muscle spasms, often starting with stiffness in the jaw (hence "lockjaw") and neck, eventually spreading throughout the body. Breathing can become difficult, and complications like broken bones from muscle contractions are possible.
Historically, tetanus was a major cause of death during wars due to battlefield wounds becoming infected. Today, thanks to widespread vaccination, it's relatively rare in developed countries. The tetanus vaccine is usually given as part of the DTaP (diphtheria, tetanus, and pertussis) series for children, and adults require booster shots every 10 years to maintain immunity.
While tetanus can be treated with antibiotics and antitoxin, prevention through vaccination remains the most effective defense. So, if you have not had your booster recently or you get a dirty wound, it is crucial to seek medical attention, because when it comes to tetanus, an ounce of prevention is truly worth a pound of cure.
Examples
- 1
Vaccination
The nurse asked when I'd last had a tetanus shot.
Phrase
tetanus shot
an injection that helps protect you from tetanus
- 2
Puncture wound
He went to urgent care after stepping on a nail because he was worried about tetanus.
- 3
Medical check
Before they stitched the cut, the doctor checked whether her tetanus vaccine was up to date.
Forms and spellings
3 forms open this card.
Main spelling
- tetanusnoun
Forms
- tetanipluralnoun
- tetanusespluralnoun