Through age 26: yes - the CDC recommends catch-up vaccination if you never started or finished the series. From 27 to 45: a shared decision with your doctor, not a default - the CDC notes it is not recommended for everyone over 26.
The logic is exposure: most adults have already met some HPV types, shrinking the benefit - but the vaccine still protects against types you have not seen, so people with new partners ahead, few lifetime partners, or immunocompromise benefit most. Over 45 it is not offered. The vaccine prevents; it does not treat existing infection or replace cervical screening.
What to do
Common questions
Should I get the HPV vaccine as an adult?
Under 26, the answer is simple: if you never got the series or never finished it, get it - the CDC recommends catch-up HPV vaccination for teens and young adults through age 26, and it protects against the HPV types that cause most cervical and other cancers plus genital warts. From 27 to 45, it becomes a genuine judgment call rather than a default: the CDC says vaccination is not recommended for everyone over 26, but some adults aged 27 through 45 who are not already vaccinated may decide to get it after speaking with their doctor. The logic: HPV is so common that most adults have already been exposed to some types, which shrinks the benefit - but the vaccine can still protect against types you have not encountered, so people with new partners ahead, few lifetime partners so far, or immunocompromise tend to benefit most. Over 45, it is not offered - the value is too small by then. The vaccine does not treat existing infection and does not replace cervical screening. Pymander, a free AI doctor available 24/7 by text, can help you weigh your own exposure picture.