Navajo County

Proudly Serving, Continuously Improving Since 1895

Navajo County Public Health Services
Nursing Services
Tetanus & Diphtheria Vaccine (Td)


Tetanus (lockjaw) and diphtheria are serious diseases. Tetanus is caused by a germ that enters the body through a cut or wound.

Tetanus causes

Serious painful spasms of all muscles

It can lead to

"Locking" of the jaw so the patient cannot open his or her mouth or swallow.


Diphtheria spreads when germs pass from an infected person to the nose or throat.

Diphtheria causes

A thick coating in the nose, throat, or airway.

It can lead to

breathing problems - heart failure - paralysis

When should you get Td vaccine?

Td is made for people 7 years of age and older.

People who have not gotten at least 3 doses of any tetanus and diphtheria vaccine (DTP, DTaP, or DT during their lifetime should do so using Td. After a person gets the third dose, a Td booster should be given every 10 years.

For more information, visit your local health department or Center for Disease Control and Prevention, Arizona Department of Health.

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