Sexual health

The HPV Cancers Beyond the Cervix

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Cervical cancer gets most of the attention in HPV conversations, but the virus is responsible for a comparable and rising number of cancers at the back of the throat and around the anus — cancers that don't have the equivalent of a Pap smear to catch early warning changes the way cervical screening does. Vaccination before an HPV exposure ever happens remains the most effective tool against all of these cancers, not just the cervical ones.

Last updated: July 2026

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The Cancers HPV Causes Beyond the Cervix

HPV is responsible for the great majority of cervical cancers, but the same virus also causes a share of vaginal, vulvar, penile, anal, and oropharyngeal (throat and mouth) cancers — together adding up to roughly 39,300 HPV-associated cancers diagnosed in the United States each year 1. Cervical cancer remains the most common HPV-linked cancer in women, while oropharyngeal cancer is now the most common HPV-linked cancer in men 1.

HPV causes an estimated 39,300 cancers a year in the U.S. 1, spread across parts of the body most people don't associate with a sexually transmitted virus at all. HPV itself comes in high-risk and low-risk types: only the high-risk types are linked to cancer, while low-risk types are more often behind genital warts — the hpv symptoms most people have actually heard of. How HPV causes cervical cancer is relatively well documented and widely taught; the same virus reaching similar precancerous changes at the throat or anus gets far less public attention despite the shared mechanism.

Why the Throat: Oral HPV and Oropharyngeal Cancer

Oropharyngeal cancer forms at the back of the throat, including the tonsils and the base of the tongue, and HPV — usually acquired through oral sex — is now the leading cause of this cancer in the United States, more often in men than women 1.

There's no approved hpv testing in men the way a Pap test screens the cervix in women, which is part of why oropharyngeal cancer linked to HPV usually isn't caught early; it's typically found only once it causes a symptom, like a persistent sore throat, a lump in the neck, or trouble swallowing that doesn't resolve. This is one of the more counterintuitive parts of the HPV cancer picture: most oral HPV infections clear on their own, the same as genital infections do 2, and there's no approved test that screens healthy people for oral HPV at all. That absence of a screening test is part of why symptoms — even ones that seem minor or easy to explain away — are worth bringing to a clinician if they don't clear up within a reasonable window.

Anal Cancer and HPV

Anal cancer is one of the cancers HPV is linked to beyond the cervix, alongside vaginal, vulvar, and penile cancer, and it develops the same way cervical cancer does — gradually, from precancerous cell changes, rather than appearing suddenly 1. It receives far less public attention than cervical cancer despite sharing the same underlying cause.

Symptoms, when they appear, can include bleeding, pain, itching, or a lump near the anus — all of which have far more common, non-cancerous explanations, like hemorrhoids, which is part of why persistent or unexplained versions of these symptoms are worth having examined rather than assumed away. As with oropharyngeal cancer, there's no nationally standardized screening test recommended for the general population the way there is for cervical cancer.

Does HPV Cause Cancer?

The question of whether HPV causes cancer has a two-part answer: for the great majority of infections, no. HPV is the most common sexually transmitted infection in the United States, and most infections, at any site, clear on their own without ever causing a symptom or lasting effect 2. Cancer is the outcome of a persistent infection with a high-risk type that the immune system doesn't clear — not a typical or expected outcome of getting HPV at all 2.

Testing positive for a high-risk HPV type is not the same as having cancer, or even being likely to develop it — HPV clearance is the norm, not the exception, and most people whose bodies don't clear the virus right away still clear it eventually. Progression to cancer, when it happens, is a slow process rather than a sudden one, which is exactly why persistence — not a single positive result — is what matters, and why any test showing a high-risk type is worth following up on rather than dismissing.

Is There a Screening Test for Anal or Throat HPV Cancer?

Cervical cancer has a well-established screening program built around Pap tests and HPV testing, but there is no equivalent national screening program recommended for the general population for anal or oropharyngeal HPV cancers. Some clinics offer anal Pap tests for people considered higher risk, but this isn't standardized the way cervical screening is, partly because screening for any cancer involves real trade-offs, not just benefits.

Screening can lead to overdiagnosis — finding and treating a cell change that would never actually have caused symptoms or death in that person's lifetime — which is a real harm of screening programs, not just a hypothetical one 3. That trade-off is part of why extending a Pap-style program to the anus or throat isn't automatically the obvious right call, and why the decision, for someone considered higher risk, is best made individually with a clinician rather than assumed.

Vaccination as Prevention

The HPV vaccine, given routinely at ages 11 to 12 and available starting at age 9, prevents infection with the HPV types responsible for the large majority of these cancers, including anal and oropharyngeal cancer, when given before exposure to the virus 4. Catch-up vaccination is recommended through age 26, and some adults ages 27 to 45 may benefit and can discuss it with a clinician through shared decision-making 4.

Vaccinating before any sexual activity begins is what gives the vaccine its strongest effect, since it works by preventing infection rather than treating one that's already present. Someone already exposed to one HPV type can still benefit from vaccination against the other types the vaccine covers, which is part of why age or prior exposure alone doesn't rule someone out.

Reducing Risk Beyond Vaccination

Consistent condom and dental dam use lowers the risk of HPV transmission but doesn't eliminate it, since HPV spreads through skin-to-skin contact in areas a barrier doesn't fully cover 5. That partial protection is the same limitation condoms have against other skin-spread infections like herpes, rather than something specific to HPV.

Reducing the number of sexual partners and getting vaccinated before likely exposure both lower risk further, but none of these measures brings risk to zero the way avoiding HPV exposure entirely would. For someone already exposed, the more useful question is usually not how to avoid the virus retroactively, but what symptoms, if any, are worth having checked.

Common questions

Not routinely — there's no approved HPV test for men the way a Pap test screens the cervix in women, which means anal and oropharyngeal HPV cancers in men are usually caught by a symptom rather than a screening result. Some clinics offer anal Pap tests to men considered higher risk, on an individual basis.

Most people don't. The great majority of HPV infections, including high-risk types, clear on their own, and cancer only develops from an infection that persists for a long time without clearing. A positive result is a reason to follow up as recommended, not a cancer diagnosis.

It can. The vaccine protects against several HPV types, and being exposed to one doesn't mean protection against the others is wasted. It works best before any exposure, but a clinician can help weigh the benefit for someone already sexually active.

A persistent sore throat, a lump in the neck, or trouble swallowing that doesn't resolve are worth checking for oropharyngeal cancer; bleeding, pain, itching, or a lump near the anus are worth checking there, even though hemorrhoids and other benign causes are far more common explanations for each.

Screening any part of the body for cancer involves real trade-offs, including the risk of finding and treating changes that would never have caused harm. That balance hasn't been established well enough yet to support a standardized national program the way it has for the cervix, though some clinics screen higher-risk individuals directly.

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When to Get a Persistent Symptom Checked

  • —A sore throat, hoarseness, or a neck lump that doesn't resolve within a few weeks
  • —Trouble or pain swallowing that persists or worsens
  • —Rectal bleeding, pain, or a new lump near the anus that doesn't resolve
  • —Unexplained weight loss alongside any of the above

This article is educational and does not replace an in-person evaluation. A clinician can examine a persistent symptom directly, order the right test, and determine whether further evaluation for a HPV-linked cancer is warranted.

References

  1. 1.Centers for Disease Control and Prevention (2024). Basic Information about HPV and Cancer. CDC (cdc.gov/cancer). linkUsed to support that HPV causes most cervical cancers plus some vaginal, vulvar, penile, anal, and oropharyngeal cancers, that HPV causes roughly 39,300 cancers a year in the U.S., and that cervical cancer is the most common HPV-associated cancer in women while oropharyngeal is the most common in men.
  2. 2.Centers for Disease Control and Prevention (2024). Human Papillomavirus (HPV). CDC (cdc.gov/hpv). linkUsed to support that HPV is the most common STI in the U.S., that most infections clear on their own, and that persistent high-risk-type infection can progress to cancer.
  3. 3.Welch HG, Black WC (2010). Overdiagnosis in cancer. Journal of the National Cancer Institute. doi:10.1093/jnci/djq099 ✓Used to support that cancer-screening overdiagnosis — detecting a cancer that would never have caused symptoms or death in a person's lifetime — is a real harm of screening, used here to explain why no standardized anal or oropharyngeal screening program exists for the general population.
  4. 4.Centers for Disease Control and Prevention (Advisory Committee on Immunization Practices) (2024). ACIP Recommendations: Human Papillomavirus (HPV) Vaccine. CDC ACIP Recommendations. linkUsed to support the U.S. HPV vaccination recommendation: routine vaccination at ages 11-12 (starting as early as 9) and catch-up through age 26, with shared clinical decision-making for some adults 27-45.
  5. 5.Centers for Disease Control and Prevention (2024). Condom Use: An Overview. CDC (cdc.gov/condom-use). linkUsed to support that condoms provide only partial protection against STIs spread by skin-to-skin contact, like HPV, since they don't cover every area capable of transmitting the infection.

5 sources, numbered by first appearance. General health information, not medical advice. AI-assisted editorial content — citations link their sources. Editorial policy

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