Tdap is a "booster" vaccine used for preventing pertussis (whooping cough), diphtheria, and tetanus in both adolescents and adults. It is given as a single, one-time injection into the upper arm. Although most people respond well to it, potential side effects include fever, headaches, and injection site swelling. After receiving the vaccine, all future boosters should be given as the Td (tetanus and diphtheria) vaccine.
What Is Tdap?
Tdap (Adacel®, Boostrix®) is a vaccine approved for use as a "booster" to help prevent diphtheria, tetanus, and pertussis (whooping cough) in adolescents and adults. As with all vaccines, Tdap may not provide full protection to all individuals.
(Click What Is Tdap Used For? for more information on what the vaccine is used for, including possible off-label uses.)
Potential Side Effects
As with any vaccine, Tdap may cause side effects. However, not everyone who receives the vaccine will experience side effects. In fact, most people tolerate it well.
If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
Some of the most common side effects include, but are not limited to:
(Click Side Effects of Tdap to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)