What Is HPV?

HPV (human papillomavirus) is a group containing many virus types that can infect the skin and mucous membranes. Sexually transmitted HPV is extremely common; most infections cause no symptoms and are suppressed or cleared by the immune system within one to two years. Some types cause genital warts, while persistent infection with certain high-risk types can cause cancers of the cervix and, less commonly, the anus, penis, vulva, vagina and back of the throat. A positive HPV result is not a cancer diagnosis. Vaccination, appropriate screening and follow-up can prevent a large share of HPV-related disease. This article provides general information and is not a personal diagnosis or treatment plan.

HPV types, transmission, symptoms and the relationship with cancer

1. What is HPV? HPV is the collective name for human papillomaviruses. More than 200 types that can affect the skin and mucous membranes of the mouth, throat, genital area and anus have been identified. Some are associated with ordinary hand and foot warts, while about 40 types can infect the genital and surrounding regions. HPV is not the same as HIV, herpes or hepatitis. A person may encounter more than one HPV type during their lifetime. 2. What do low-risk and high-risk HPV mean? Low-risk types generally do not cause cancer; HPV 6 and 11 are associated with most genital warts. High-risk, or oncogenic, types can cause cellular changes and precancerous lesions that may progress to cancer over years when infection persists. HPV 16 and 18 are among the most important high-risk types. Finding a high-risk type does not mean a person has cancer; follow-up depends on the type, age, cell changes and previous results. 3. How is HPV transmitted? Genital HPV is transmitted mainly through vaginal, anal or oral sexual contact and close skin-to-skin contact in the genital area. Penetration or ejaculation is not required. A person can pass the virus without symptoms or visible warts. Because symptoms or a positive test may appear months or years after contact, it is usually impossible to determine exactly when or from whom the infection came. An HPV result alone is not evidence of infidelity. 4. Can it spread through toilets, towels or shared objects? Close skin and sexual contact is the main route for genital HPV; toilet seats, swimming pools, cutlery and ordinary social contact are not considered typical routes. Genital HPV is not expected to spread through handshakes, hugs or sharing a room. Direct contact with a wart and spreading around a lesion while shaving may occur. Do not pick or cut warts or share shaving equipment. 5. How common is HPV, and does it leave the body? A very large proportion of sexually active people encounter HPV at some point. According to the CDC, about nine out of ten infections are controlled by the immune system within two years without causing health problems. 'Clearance' means that a test becomes negative or the virus falls below a detectable level; some infections can later be detected again. Smoking, immune suppression and certain accompanying conditions can increase the chance of persistence. 6. What are the symptoms of HPV? Most HPV infections cause no symptoms. Genital warts may appear alone or in groups and can be flat, raised or cauliflower-shaped; they may itch, become irritated or bleed, but may also be painless. High-risk HPV and early cell changes usually cause no symptoms, which is why screening matters. Bleeding after sex, unusual vaginal bleeding or discharge, persistent throat symptoms, difficulty swallowing, hoarseness, anal bleeding or a lump should be assessed, although these signs are not specific to HPV. 7. Are genital warts cancer? No. Most genital warts are caused by low-risk HPV types and are not cancer. The types that cause warts and those strongly associated with cancer are usually different, although a person can carry more than one type at once. Not every visible bump is HPV: skin tags, molluscum contagiosum and other skin conditions may look similar. Diagnosis requires assessment by an appropriate clinician. 8. Which cancers are associated with HPV? Persistent high-risk HPV infection is the underlying cause of nearly all cervical cancers. It can also cause a proportion of vulvar, vaginal, penile and anal cancers and some oropharyngeal cancers involving the tonsils and base of the tongue. Progression from infection to cancer usually takes years or even decades, and most people who acquire HPV do not develop cancer. Screening can identify and allow treatment of precancerous cell changes before cancer develops. 9. Who has a higher risk of persistent infection? Persistence and cellular changes are more likely in people with weakened immune systems, those living with HIV, organ-transplant recipients and people taking immune-suppressing treatment. Smoking increases the risk of progression in the cervix. New or multiple partners increase the likelihood of exposure, but someone with only one partner can also acquire HPV. Risk is not a reason for shame or blame; the goal is to plan vaccination, screening and follow-up appropriately.

HPV testing, Pap smears, vaccination, treatment, prevention and special situations

10. Are an HPV test and a Pap smear the same? No. An HPV test looks for genetic material from high-risk HPV in a sample taken from the cervix. A Pap smear, or cytology, evaluates cells for precancerous changes. Some programmes use primary HPV testing, while others use cytology together with it or after an abnormal result. Which test is used, at what age and how often depends on national guidance, age, previous results, immune status and whether the cervix is present. 11. What happens after a positive HPV test? A positive result shows that a high-risk HPV type has been detected; it is not a cancer diagnosis and cannot show when infection occurred. Depending on the result, a clinician may recommend genotyping, cytology, repeat testing after a specified interval or colposcopy, in which the cervix is examined under magnification. A biopsy may be taken from an abnormal area. Do not delay recommended follow-up, but a positive result alone is not a reason to panic or blame a partner. 12. Is HPV testing performed in men? There is no licensed routine HPV screening test recommended for the general population of men or people with a penis. Nor is there a standard population-wide screening test for oral, penile or general anal HPV. Specialists may consider anal cytology or high-resolution anoscopy in some higher-risk groups. Warts, a non-healing sore, a lump, bleeding or persistent throat symptoms require examination. HPV in a partner does not mean that random swab testing is useful for a person without symptoms. 13. What does the HPV vaccine do? HPV vaccines are designed to prevent new infections with the included types and a substantial share of the genital warts, precancers and cancers they can cause. They do not contain live virus and cannot cause HPV infection. Vaccination does not treat an existing infection, wart or cell change, but someone exposed to one type may still benefit from protection against other vaccine types. Protection is strongest when vaccination occurs before exposure. 14. Who receives the HPV vaccine, and how many doses are used? Schedules vary by country. The CDC recommends routine vaccination at age 11–12, allows it to start at age 9 and recommends catch-up vaccination through age 26. From 27 to 45, individual risk and possible benefit may be discussed with a clinician. People who start younger generally receive two doses; those starting at 15 or later, and people who are immunocompromised, generally receive three. Current Turkish policy, product authorization, intervals and personal suitability should be confirmed with a family physician or relevant specialist. 15. Vaccine side effects and use during pregnancy The most common effects are pain, redness or swelling at the injection site and short-lived fever, headache, fatigue or muscle aches. Fainting can occur after injections in adolescents, so seated observation is used afterwards. A previous severe allergic reaction to a dose or vaccine component requires assessment. HPV vaccination is not routinely recommended during pregnancy; remaining doses are postponed until afterwards. A dose given before pregnancy was recognized is generally not a reason to end the pregnancy. Breastfeeding and other special circumstances should be discussed with a health professional. 16. How is HPV treated? There is no approved medicine that instantly eliminates the virus itself; treatment targets the lesions HPV causes. Genital warts may be treated with prescription creams, freezing, cautery, surgical removal or other methods. Never apply ordinary wart acid, cut lesions or use sharp tools yourself. Warts can recur after treatment. Precancerous cervical lesions may be monitored or removed according to their grade. The method is selected by a specialist according to location, extent, pregnancy and immune status. 17. How can HPV be prevented? Age-appropriate HPV vaccination is among the most effective tools. Condoms and other barriers reduce transmission risk but do not provide complete protection because uncovered skin can transmit HPV. Limiting the number of partners may reduce exposure; open communication and appropriate sexual-health care matter. Stopping smoking, supporting immune health and attending recommended cervical screening can reduce risk. Vaccinated people should still follow cervical-screening guidance. 18. When to see a clinician and frequently asked questions Seek care for a new wart, lump, sore, itching or bleeding in the genital or anal area; bleeding after sex or between periods; unusual discharge; or persistent throat, voice or swallowing symptoms. Do not delay follow-up after an abnormal HPV or Pap result. 'Does HPV positive mean cancer?' No. 'Can it spread without warts?' Yes. 'Does the vaccine clear existing HPV?' No; it prevents new infections. 'Do condoms provide complete protection?' They reduce risk but do not eliminate it. 'Can a person with one partner have HPV?' Yes; one sexual contact can transmit it, and infection may remain silent for years. Source basis: World Health Organization — Human papillomavirus and cancer; CDC — About Genital HPV Infection, HPV Vaccine Recommendations and STI Treatment Guidelines; U.S. National Cancer Institute — HPV and Cancer. Sources checked on 11 October 2026. This article is not a personal diagnosis, treatment or screening schedule.