 [ Symptoms ] i stepped on a rusty nail 6162013 i had a tetanus booster in 2008 after an injury do i need to get another one now  yesterday i stepped on a rusty nail while i was out by the horses it went through my shoe and into my foot about 14 deep it only bled about a drop so i soaked it last night in warm salt water for about an hour to help clean it out i know i had a tetanus booster in 2008 after an injury i do not remember if i have had one since then i have been told that tetanus boosters are good for 5 10 years do i need to get another booster now or is the one i know i got in 2008 sufficient [ Disease ] tetanus shots are statistically good for ten years although many clinicians will suggest a booster after five years tetanus shots only prevent tetanus lockjaw it does not prevent a wound infection so watch for any signs of infection it is really up to you to get a tetanus booster or not but theoreticallyl your vaccine is 2008 is still effective