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Published on: 10/1/2026

How often the HPV vaccine is given, and how doses are spaced

The HPV vaccine is typically given as a two-dose series for people who start at ages 9 through 14, with the second dose spaced 6 to 12 months after the first, while those starting at age 15 or older (or who are immunocompromised) usually need three doses on a 0, 1 to 2 month, and 6 month schedule. Timing details matter, because a second dose given sooner than 5 months after the first generally means an extra dose is required, and interrupted series can be resumed without restarting. See below for the full dose spacing rules, catch-up guidance, and factors that change the recommended number of shots.

If you are unsure where you are in the series or you are noticing symptoms such as genital warts, unusual bleeding, or abnormal discharge, getting clarity quickly can help you decide what to do next. A free, instant, online symptom check can help you organize what you are experiencing and point you toward the right type of care, so you are not left guessing between appointments.

Last reviewed for medical accuracy: 10/01/2025

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Explanation

How Often to Get HPV Vaccine: A Complete Guide

Human papillomavirus (HPV) is a common infection linked to several cancers and genital warts. Vaccination is the most effective way to protect yourself and your loved ones. This guide explains how often to get HPV vaccine, how doses are spaced, and who should receive them, based on the latest recommendations from credible health authorities.

Why HPV Vaccination Matters

• HPV affects nearly everyone at some point in life.
• Certain strains cause cervical, anal, throat, and other cancers.
• Vaccination cuts the risk of these cancers by up to 90%.

Getting vaccinated not only protects you but also helps reduce the spread of HPV in your community.

Recommended Age and Who Should Get Vaccinated

Routine Vaccination

  • Ages 9–14: Start as early as age 9.
  • Ages 11–12: Ideal time to vaccinate before potential exposure.

Catch-Up Vaccination

  • Ages 15–26: If not previously vaccinated, catch-up doses are recommended.
  • Ages 27–45: Discuss with your doctor; some adults may benefit depending on risk factors.

How Often to Get HPV Vaccine: Dosage Schedules

The timing and number of doses depend primarily on age at first vaccination and immune status.

2-Dose Schedule (Ages 9–14)

  1. First Dose: Choose a convenient date.
  2. Second Dose: Administer 6–12 months after the first dose.

• This schedule provides strong, long-lasting protection for younger adolescents.
• If the second dose is given less than 5 months after the first, a third dose is recommended.

3-Dose Schedule (Ages 15–45 or Immunocompromised)

  1. First Dose: Day 0.
  2. Second Dose: 1–2 months after the first dose.
  3. Third Dose: 6 months after the first dose.

• Immunocompromised individuals (e.g., HIV infection, organ transplant) should follow a 3-dose schedule regardless of age at initiation.
• Completing all three doses is crucial to achieve full protection.

Spacing Between Doses

Clear spacing helps the immune system build a stronger response:

  • 0 and 6 months (or up to 12 months for 2-dose): Optimal for younger adolescents.
  • 0, 1–2, 6 months: Standard for older teens, adults, and immunocompromised individuals.

Missing a dose? Don’t restart the series. Simply schedule the next available appointment. The spacing can be adjusted, but doses must be at least four weeks apart.

Special Considerations

  • Pregnancy: Defer vaccination until after delivery. There’s no evidence of harm if given inadvertently, but routine vaccination isn’t recommended during pregnancy.
  • Breastfeeding: Vaccination is safe and can be given.
  • History of HPV or abnormal Pap tests: Still benefit from vaccination; it protects against strains you haven’t yet encountered.

Safety and Side Effects

HPV vaccines have been studied globally in millions of people. Common, mild side effects include:

  • Arm soreness or redness at the injection site
  • Low-grade fever
  • Headache or fatigue
  • Dizziness (sit down for 15 minutes after vaccination)

Serious reactions are extremely rare. The benefits far outweigh potential risks.

Frequently Asked Questions

How often should I get the HPV vaccine?

• If you start before age 15, you’ll get 2 doses spaced 6–12 months apart.
• If you start at 15 or older (or are immunocompromised), you’ll get 3 doses at 0, 1–2, and 6 months.

Is a booster needed?

Currently, no routine booster dose is recommended once the initial series is complete. Research suggests long-term protection exceeds 10 years, with no sign of waning.

Can I mix vaccine brands?

Yes. If your first dose was one HPV vaccine and the next dose is another brand, the series remains effective. There’s no need to restart.

What if I miss a dose?

Resume as soon as possible. There’s no maximum interval; just don’t start over.

Tips to Remember Your Schedule

  • Mark your calendar or set phone reminders.
  • Ask your healthcare provider to schedule follow-up appointments at the time of vaccination.
  • Keep an immunization record card in a safe place.

Taking Charge of Your Health

If you’re ever unsure about symptoms—like unexplained genital sores, pain, or unusual bleeding—you might consider a free, online symptom check, using the doctor approved Ubie Symptom Checker—https://ubiehealth.com/. It’s a quick way to see if you need professional care.

Final Thoughts

Understanding how often to get HPV vaccine and following the correct schedule is vital for effective protection against HPV-related diseases. Vaccination is safe, well-studied, and recommended for most children, adolescents, and young adults.

Always speak to a doctor about anything that could be life-threatening or serious. Your healthcare provider can offer personalized advice based on your health history and needs. Staying informed and completing the HPV vaccine series on time offers you the best defense against HPV-related cancers and conditions.

(References)

  • * Sanderson K. Vaccination: A durable design. Nature. 2012 Aug 30;488(7413):S7. doi: 10.1038/488S7a. PMID: 22932439.

  • * Three doses of HPV vaccine still recommended, for now. BMJ. 2013 Apr 30;346:f2797. doi: 10.1136/bmj.f2797. Epub 2013 Apr 30. PMID: 23637199.

  • * USA missing opportunities for HPV vaccination. Lancet Infect Dis. 2013 Sep;13(9):725. doi: 10.1016/S1473-3099(13)70230-5. PMID: 23969206.

  • * Fessler B. [Two-dose vaccination schedule for younger girls]. Med Monatsschr Pharm. 2014 May;37(5):189-90. PMID: 24908937.

  • * Brotherton JM, Winch K. The effect of making a 'third dose assumption' on HPV coverage estimates. Aust N Z J Public Health. 2015 Apr;39(2):193-4. doi: 10.1111/1753-6405.12320. Epub 2015 Jan 5. PMID: 25559458.

  • * Petrosky E, Bocchini JA Jr, Hariri S, Chesson H, Curtis CR, Saraiya M, Unger ER, Markowitz LE, Centers for Disease Control and Prevention (CDC). Use of 9-valent human papillomavirus (HPV) vaccine: updated HPV vaccination recommendations of the advisory committee on immunization practices. MMWR Morb Mortal Wkly Rep. 2015 Mar 27;64(11):300-4. PMID: 25811679; PMCID: PMC4584883.

  • * Soon R, Dela Cruz MR, Tsark JU, Chen JJ, Braun KL. A Survey of Physicians' Attitudes and Practices about the Human Papillomavirus (HPV) Vaccine in Hawai'i. Hawaii J Med Public Health. 2015 Jul;74(7):234-41. PMID: 26225269; PMCID: PMC4507363.

  • * Campos-Outcalt D. Immunization update: This year's changes. J Fam Pract. 2016 Mar;65(3):198-200. PMID: 27158692.

  • * Moreno MA. Human Papillomavirus Vaccination. JAMA Pediatr. 2019 Feb 1;173(2):204. doi: 10.1001/jamapediatrics.2018.4546. PMID: 30715165.

  • * Meites E, Szilagyi PG, Chesson HW, Unger ER, Romero JR, Markowitz LE. Human Papillomavirus Vaccination for Adults: Updated Recommendations of the Advisory Committee on Immunization Practices. MMWR Morb Mortal Wkly Rep. 2019 Aug 16;68(32):698-702. doi: 10.15585/mmwr.mm6832a3. Epub 2019 Aug 16. PMID: 31415491; PMCID: PMC6818701.

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