HPV Vaccine Information: Who Should Get It?

HPV vaccination is cancer prevention, not simply another childhood shot. The human papillomavirus, or HPV, is a group of viruses that can cause genital warts and several cancers, including cervical, anal, penile, vaginal, vulvar and some throat cancers.

The vaccine is designed to prevent new HPV infections. It does not remove an HPV infection that is already present, which is one of the most common misunderstandings around vaccination. The CDC recommends routine vaccination in adolescence and catch-up vaccination through age 26 for people who were not adequately vaccinated earlier.

Doctar's HPV vaccine overview for people who already have HPV addresses this question in more detail. (doctar.in)

Why HPV vaccination matters

Persistent infection with certain high-risk HPV types can cause abnormal cell changes that may eventually become cancer. Most HPV infections do not cause lasting disease, but there is no reliable way to know in advance which infections will persist.

The World Health Organization considers HPV vaccination a major part of its strategy to prevent cervical cancer and also recognizes protection against other HPV-related diseases.

Doctar's cervical cancer prevention guide explains the relationship between persistent HPV infection, screening and cervical cancer. (doctar.in)

For women, the connection with cervical cancer is particularly important. Doctar's cervical cancer risk guide explains why HPV vaccination and screening work together rather than serving as substitutes. (doctar.in)

Who should get the HPV vaccine?

Age is a major part of the decision.

In U.S. CDC guidance, routine HPV vaccination is recommended at ages 11 or 12 and can begin at age 9. Catch-up vaccination is recommended through age 26 if someone was not vaccinated adequately earlier.

Doctar's adult HPV vaccination guide discusses vaccination in older adolescents and adults. (doctar.in)

For adults aged 27 through 45, CDC guidance does not recommend routine vaccination for everyone. Instead, some people in this age group may choose vaccination after a discussion with a clinician about their likelihood of future HPV exposure and potential benefit.

That distinction matters. More adults have already encountered HPV, so vaccination later in life generally offers less potential benefit than vaccination before exposure.

Doctar's adult vaccination guide also places HPV vaccination within the wider adult immunization conversation. (doctar.in)

How many HPV vaccine doses are needed?

The schedule depends mainly on the age when vaccination begins and whether a person has certain immune conditions.

Under current CDC guidance, people who start before their 15th birthday generally receive two doses, with the doses separated by several months. People who begin at ages 15 through 26 generally receive three doses. Three doses are also recommended for certain immunocompromised people who begin vaccination between ages 9 and 26.

Because schedules can differ by country and product, readers should not use an online article to decide their personal dosing schedule.

Doctar's HPV vaccination guide for adults provides additional background on age-based vaccination. (doctar.in)

Doctar's HPV and multiple sclerosis article also discusses vaccination in the context of an immune-related condition. (doctar.in)

What does the vaccine protect against?

HPV vaccines target HPV types responsible for a substantial share of HPV-related cancers and genital warts. The nine-valent vaccine, for example, targets nine HPV types.

The exact product available depends on the country and local approvals. Doctar's HPV information for men explains that HPV affects men as well as women and can be associated with genital warts and cancers. (doctar.in)

That is why HPV vaccination should not be viewed as a vaccine only for girls. Boys and men can also develop HPV-related disease and can transmit HPV to partners.

Doctar's HPV and birth control article discusses vaccination alongside safer sex practices and cervical screening. (doctar.in)

Is the HPV vaccine safe?

HPV vaccines have been studied extensively, and safety monitoring has continued after approval. The CDC describes HPV vaccines as very safe, with the benefits outweighing the known risks.

The most common reactions involve the injection site, such as pain, redness or swelling. Some people can also experience fever, headache, tiredness, nausea, dizziness or muscle and joint aches.

Fainting can happen after vaccination, particularly among adolescents receiving injections. This is why sitting or lying down during vaccination and remaining under observation afterward is commonly advised.

Doctar's HPV vaccine safety discussion covers common questions about vaccination after HPV exposure. (doctar.in)

In clinical practice, this is often missed because people confuse a vaccine's ability to prevent infection with an ability to treat disease that is already there. HPV vaccination is preventive. A positive HPV test, genital wart or abnormal cervical screening result still needs appropriate medical follow-up.

What if someone already has HPV?

Previous HPV exposure does not necessarily mean vaccination has no value.

A person can have been exposed to one HPV type without having encountered all the types covered by a vaccine. Vaccination may therefore provide protection against HPV types they have not yet acquired.

Doctar's guide to HPV vaccination after an HPV diagnosis explains this distinction. (doctar.in)

However, the vaccine will not treat an existing HPV infection or make an abnormal Pap result normal. Doctar's Pap smear results guide explains why abnormal cervical-cell findings may require follow-up testing. (doctar.in)

Vaccination does not replace cervical screening

This is one of the most important points for women.

Even vaccinated people can be exposed to HPV types not covered by a particular vaccine, and vaccination cannot treat an infection acquired before vaccination. Cervical screening remains an important part of prevention.

Doctar's cervical cancer screening guide for Indian women explains HPV testing and Pap testing in the Indian context. (doctar.in)

A Pap smear during pregnancy guide also explains why cervical screening questions can arise during pregnancy and why results should be discussed with a clinician. (doctar.in)

If you have questions about preparing for a Pap test, Doctar's guide to sex before a Pap smear offers practical information. (doctar.in)

What about genital warts?

Some HPV types cause genital warts rather than cancer. These infections are usually classified as low-risk HPV, meaning they are not the types typically associated with cancer.

Doctar's HPV-related warts guide explains how genital warts can recur and why vaccination can still be discussed with a healthcare professional. (doctar.in)

A genital rash guide can also help explain why not every genital bump is an HPV wart. (doctar.in)

Similarly, Doctar's vaginal lump guide discusses genital warts among several possible causes of lumps or bumps. (doctar.in)

HPV can affect the mouth and throat

HPV is not limited to the genital area. Certain HPV infections can involve the mouth and throat and are associated with some oropharyngeal cancers.

Doctar's oral STI guide explains how HPV can be transmitted through sexual contact involving the mouth and throat. (doctar.in)

For broader information about oral cancer risk, see Doctar's oral cancer self-examination guide. (doctar.in)

HPV vaccination and men

Men should not be left out of the HPV conversation. HPV can cause genital warts and certain cancers in men, including anal, penile and oropharyngeal cancers.

Doctar's HPV testing guide for men explains an important limitation: there is no routine HPV screening test for the general male population equivalent to cervical HPV screening. (doctar.in)

This makes prevention particularly relevant. Vaccination should be discussed according to age, previous vaccination and local recommendations rather than based on whether someone has had an HPV test.

Can you get the vaccine during pregnancy?

HPV vaccination is not recommended during pregnancy. If someone discovers they are pregnant after starting the series, remaining doses should be postponed until after pregnancy. CDC guidance says an HPV vaccine dose given inadvertently during pregnancy is not considered a reason for intervention.

Routine pregnancy testing before HPV vaccination is not required under CDC guidance.

If you are pregnant or planning pregnancy, discuss vaccination timing with your obstetrician or other qualified clinician rather than making the decision from an online schedule.

When should someone avoid or delay vaccination?

A history of a severe allergic reaction to a previous HPV vaccine dose or a vaccine component is a contraindication. The CDC also lists moderate or severe acute illness as a precaution that may warrant delaying vaccination until the person improves.

A mild illness is generally not considered a reason to delay vaccination under CDC guidance. Still, the clinician giving the vaccine should review relevant medical history.

For people taking immune-affecting medicines, Doctar's Kesimpta and vaccine interaction guide explains why vaccination timing and immune response may need individual consideration. (doctar.in)

Doctar's age-by-age health screening guide also places HPV vaccination within a broader preventive-health plan. (doctar.in)

What does the HPV vaccine not do?

The vaccine does not eliminate existing HPV infection. It also does not treat genital warts, precancerous cervical changes or HPV-related cancer.

That distinction should not discourage vaccination. Preventing a future infection is different from treating an infection that has already happened.

Doctar's HPV dormancy guide discusses why HPV can be difficult to track over time and why an infection may not produce obvious symptoms. (doctar.in)

If visible genital growths develop, Doctar's genital health guide for men describes HPV-related genital warts among other possible causes of genital changes. (doctar.in)

A genital bumps guide likewise explains that HPV-related warts are only one possible cause of genital bumps. (doctar.in)

A practical point about HPV prevention

Vaccination is one part of HPV prevention, not the entire plan. Safer-sex practices can reduce transmission risk, although condoms do not cover every area where HPV can be present.

Doctar's oral STI prevention guide covers barrier protection and HPV transmission during oral sex. (doctar.in)

For people with HPV-related warts, Doctar's wart recurrence guide discusses prevention and when medical review is appropriate. (doctar.in)