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Definition
By Mayo Clinic staffTetanus is a serious bacterial disease caused by a toxin that leads to stiffness of your jaw muscles and other muscles. Tetanus can cause severe muscle spasms, make breathing difficult and, ultimately, threaten your life.
Spores of the tetanus bacteria, Clostridium tetani, usually are found in the soil, but can occur virtually anywhere. If deposited in a wound, the bacteria can produce a toxin that interferes with the nerves controlling your muscles.
Treatment for tetanus is available, but the process is lengthy and not uniformly effective. Tetanus may be fatal despite treatment. The best defense against tetanus is preventing it by getting a tetanus shot and by properly caring for wounds.
