Webtetanus shots help prevent a serious bacterial infection. Learn more about the tetanus vaccine including who should get one and how long it lasts at walgreens. Webtetanus shots help prevent a serious bacterial infection. Learn more about the tetanus vaccine including who should get one and how long it lasts at walgreens. Webas with any vaccine or medicine, there is a very small chance of a tetanus shot causing a severe allergic reaction or other serious reaction. Signs of a severe. Webit's usually ok to receive an extra booster of the tetanus vaccine. Vaccination is the best way to prevent tetanus — a serious disease caused by a. Webcdc recommends tetanus vaccines for people across the lifespan, including for wound management. Follow the recommended immunization schedule to ensure.