It serves as a reminder for the immune system to remember what the tetanus causing bacteria looks like. It is like reminding a child to take his vitamin sweets. The immune system has an amazing memory, but like all memory, it fades with time. read more
If you have taken a primary course of tetanus toxoid,that will produce protective antibody level in your body to fight off tetanus infection.However,the protective level wanes over time.A booster dose is given to boost your immunity to the desired level once again. read more
It's important to know that, in general, the risk of problems from getting tetanus is much greater than from getting a tetanus vaccine. You cannot get tetanus from the tetanus shot. However, sometimes the tetanus vaccine can cause mild side effects. read more
If > 10 yrs U need 1: Tetanus protection from the primary or booster series will begin to decline over time. If it has been > 10 years since your last tetanus booster, you should consider one at your convenience. read more