Can you get another tetanus shot if you had one 3 years ago?

Yes, you can receive another tetanus shot if you had one three years ago, especially if you have a wound that is at risk for tetanus. The standard recommendation is to get a tetanus booster every 10 years, but for certain injuries, a booster may be given sooner. It's best to consult a healthcare provider to determine the appropriate course of action based on your specific situation.