A member asked:

How long do tetanus shots last?

3 doctors weighed in across 2 answers

Tetanus vaccine: After receiving the primary immunizations, a booster tetanus shot should last 10 years. This is the basis for having a tetanus booster every 10 years during one's lifetime.

Answered 7/6/2012

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5 years if wound: Tetanus vaccine is valid for 9 years if you have no injuries. If you have an outdoor laceration or puncture wound, you should get vaccinated within 24 hrs if your prev tetanus is older than 5 years. If you have not had a tetanus vaccine since 2005, you should get booster that contains pertussis vaccine also. This will protect you and children around you from whooping cough.

Answered 5/3/2016

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