Gardasil (generic: human papillomavirus quadrivalent (types 6, 11, 16, and 18)) is a vaccine used to prevent genital warts and cervical, vaginal, and anal cancers caused by certain types of human papillomavirus in girls and women age 9 through 26 years. It may also be used to prevent genital warts in boys and men age 9 through 26 years.

This vaccine comes in an injectable form and is given in a series of 3 injections, usually in the arm muscle.

Common side effects of Gardasil include pain, swelling, itching, bruising, and redness at the injection site, headache, and fever.

Gardasil does not contain thimerosal.