Symptoms of tetanus can set in 3 to 21 days after exposure to the bacteria, so it’s recommended that you get the vaccine within 48 to 72 hours or as soon as possible.

However, several factors will determine whether you need a tetanus shot in the first place.

According to the Centers for Disease Control and Prevention (CDC), you do not need a tetanus shot if:

  • you received your last tetanus shot within the last 5 years
  • you received the six recommended tetanus vaccinations (the vaccination series) by 12 years of age

If you have not received a tetanus shot within the last 5 years, the CDC recommends getting a tetanus shot as soon as possible if you have a very deep and dirty cut. This may be:

The CDC recommends getting a tetanus shot after any type of wound if you are not vaccinated against tetanus, don’t know your vaccination history, or have not completed your vaccination series.

It’s important to properly clean your cut as soon as possible to prevent any complications from developing.

Medically reviewed by Cynthia Taylor Chavoustie, MPAS, PA-C

Cynthia Taylor Chavoustie is an experienced physician assistant specializing in urgent care, family medicine, and gastroenterology. She has been a licensed physician assistant since 2001 and has clinical experience with all ages and in many environments.

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