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Published on: 9/10/2026

What should I expect from vaccines at the 2 month checkup?

At the 2 month checkup, babies usually receive DTaP, Hib, polio (IPV), pneumococcal (PCV), the second hepatitis B dose, and oral rotavirus drops, often combined to reduce the number of injections. Most infants have only mild, short-lived reactions such as fussiness, sleepiness, reduced appetite, a low-grade fever, or redness and swelling where the shot was given, typically fading within one to three days. Comfort measures like feeding, swaddling, skin-to-skin contact, and a doctor-approved dose of infant acetaminophen can help, while high fever, nonstop crying for more than three hours, or signs of an allergic reaction warrant prompt medical attention. Timing, catch-up schedules, and precautions for premature or medically complex babies vary, so review the important details below before your visit.

If your baby seems unusually uncomfortable after shots or you are unsure whether a symptom is a normal reaction or something that needs a doctor, a few minutes of clarity can save hours of worry. Take a free, instant, online symptom check to organize what you are seeing and get guidance on sensible next steps.

Last reviewed for medical accuracy: 09/10/2026

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Explanation

2 Month Checkup Vaccines: What to Expect

Your baby’s 2 month checkup is a major milestone. Along with measuring growth and development, your little one will receive several important immunizations. Here’s a clear guide on what to expect—helping you feel prepared, informed, and confident.

  1. What Happens at the 2-Month Visit
    At this appointment, your pediatrician or nurse will:
  • Measure length, weight and head circumference
  • Check vital signs (heart, lungs, temperature)
  • Assess developmental milestones (motor skills, social interaction)
  • Review feeding, sleeping and elimination patterns
  • Discuss any concerns you have—feeding issues, sleep habits, jaundice, etc.
  • Administer routine vaccines
  1. Vaccines Given at 2 Months
    Most clinics follow the Centers for Disease Control and Prevention (CDC) and American Academy of Pediatrics (AAP) schedule. At 2 months, your baby typically receives:
  • DTaP (Diphtheria-Tetanus-acellular-Pertussis)
  • IPV (Inactivated Poliovirus Vaccine)
  • Hib (Haemophilus influenzae type b)
  • PCV13 (Pneumococcal Conjugate Vaccine)
  • RV (Rotavirus Oral Vaccine)
  • Hepatitis B (second dose, if not given earlier than 6 weeks)

Why these vaccines matter:
• DTaP protects against whooping cough—a serious breathing problem in infants.
• IPV guards against polio, which can cause paralysis.
• Hib prevents infections like meningitis and pneumonia.
• PCV13 defends against pneumococcal bacteria that can lead to ear infections, bloodstream infections and meningitis.
• Rotavirus vaccine reduces severe diarrhea and vomiting.
• Hep B strengthens liver protection begun at birth.

  1. How Vaccines Are Administered
  • Most shots go into your baby’s thigh muscle (vastus lateralis).
  • Rotavirus is given by mouth as drops.
  • A trained professional uses a quick “pinch and inject” method.
  • Staff often swaddle infants to help them feel secure and limit movement.
  1. Common Reactions: What to Expect
    It helps to know that mild reactions are normal—they signal your baby’s immune system is working. Reactions may include:
  • Soreness, redness or swelling at the injection site
  • Fussiness or irritability
  • Mild fever (100.4°F–101.3°F)
  • Reduced appetite for a few hours
  • Sleepiness or increased sleep
  • Less commonly, vomiting or diarrhea (especially after rotavirus vaccine)
  1. Managing Discomfort
    You don’t have to simply “wait it out.” Here are comfort measures you can try:
  • Cuddle and soothe: Skin-to-skin contact can calm crying.
  • Offer extra feeds: Breastfeeding or formula can comfort and keep baby hydrated.
  • Gentle massage: Very light rub around (not directly on) the injection site.
  • Cool compress: A soft, damp cloth on the thigh for 5–10 minutes.
  • Pain relief: If your baby seems very uncomfortable or has a higher fever, ask your doctor about infant acetaminophen (dose based on weight). Always follow your doctor’s guidance.
  1. When to Call the Doctor
    Call your pediatrician right away if your baby has:
  • Fever over 101.3°F (38.5°C)
  • Continuous, high-pitched or inconsolable crying for more than 3 hours
  • Signs of an allergic reaction within minutes to hours:
    • Swelling of lips, tongue or face
    • Difficulty breathing, wheezing or persistent cough
    • Hives or widespread rash
  • Refusal to eat for more than 12 hours
  • Seizure or stiffening of the body
  • Any other behavior that seems unusual for your child

For non-emergency symptoms—like mild fever, fussiness, or decreased appetite—you might consider a free, online symptom check, using the doctor approved Ubie Symptom Checker to help you decide if you need medical attention.

  1. Setting Expectations: No Sugar-Coating, No Panic
    It’s natural to feel nervous, but know that:
  • Serious vaccine reactions are extremely rare.
  • Mild side effects usually resolve within 1–2 days.
  • Benefits of protecting your baby against potentially life-threatening diseases far outweigh brief discomfort.
  • Your healthcare team is there to support you and answer every question.
  1. Keeping Track of Vaccinations
  • Bring your baby’s vaccination record (blue or yellow card) to every visit.
  • Confirm which vaccines were given—make notes on dates and batch numbers.
  • Schedule follow-up visits: 4-month, 6-month, 12-month, and beyond.
  • Ask about “catch-up” schedules if any doses were delayed.
  1. Questions You Might Ask Your Doctor
  • Are there any vaccines my baby can’t receive today?
  • How can I best comfort my baby after these shots?
  • What signs of a serious reaction should prompt me to go to the ER?
  • Are any combination vaccines available to reduce the number of pokes?
  • When is it safe for my baby to go to daycare or around sick siblings?
  1. Supporting Your Own Peace of Mind
  • Talk to other parents—sometimes sharing experiences helps reduce anxiety.
  • Read reputable sources (AAP, CDC) or ask your doctor for handouts.
  • Bring a support person to the appointment if you can.
  • Breathe deeply and stay focused on the big picture: lifelong protection.
  1. Beyond Vaccines: Developmental Checks
    While the needle-related part of the visit is important, your provider will also:
  • Screen hearing and vision as needed
  • Observe how your baby tracks objects, responds to sounds and smiles back
  • Check muscle tone and reflexes
  • Discuss tummy time to build strength
  • Offer guidance on sleeping safety to reduce SIDS risk
  1. Final Thoughts
    Your baby’s 2 month checkup vaccines—what to expect—may seem like a lot to handle in one visit. With preparation, clear expectations and comfort measures in place, you’ll get through it smoothly. Remember:

• Mild fussiness or low-grade fever is common and manageable.
• Serious reactions are rare; timely medical attention is available if needed.
• Vaccination protects your child and community from dangerous infections.

If you ever doubt whether to seek care, don’t hesitate to speak to a doctor or use a free, online symptom check, using the doctor approved Ubie Symptom Checker to guide your next steps. Above all, reach out to your pediatrician about anything that could be life-threatening or serious—early intervention is key. You’re not alone on this journey: every vaccine, every checkup, is a step toward a healthy start for your baby.

(References)

  • * Sparkman A, Brookhart AL, Goode JKR. The impact of an immunization check-up at a pharmacist-provided employee health screening. J Am Pharm Assoc (2003). 2017 May-Jun;57(3S):S274-S278. doi: 10.1016/j.japh.2017.02.010. Epub 2017 Mar 31. PMID: 28366600.

  • * Sturm L, Donahue K, Kasting M, Kulkarni A, Brewer NT, Zimet GD. Pediatrician-Parent Conversations About Human Papillomavirus Vaccination: An Analysis of Audio Recordings. J Adolesc Health. 2017 Aug;61(2):246-251. doi: 10.1016/j.jadohealth.2017.02.006. Epub 2017 Apr 25. PMID: 28455129.

  • * Lyons-Weiler J, McFarland G, La Joie E. Impact of catch-up vaccination on aluminum exposure due to new laws and post social distancing. J Trace Elem Med Biol. 2020 Dec;62:126649. doi: 10.1016/j.jtemb.2020.126649. Epub 2020 Sep 21. PMID: 32980768; PMCID: PMC7505097.

  • * Dang R, Patel AI, Marlow J, Weng Y, Wang ME, Schroeder AR. Frequency and Consequences of Routine Temperature Measurement at Well-Child Visits. Pediatrics. 2022 Jan 1;149(1). doi: 10.1542/peds.2021-053412. PMID: 34890449; PMCID: PMC9647939.

  • * Schott E, Schaller K, Mons U, Ouédraogo N. [Approaches to increase HPV vaccination rate in Germany - challenges and opportunities. A qualitative study]. Z Evid Fortbild Qual Gesundhwes. 2022 May;170:29-37. doi: 10.1016/j.zefq.2022.02.002. Epub 2022 Apr 28. PMID: 35490121.

  • * McElfish PA, Selig JP, Scott AJ, Rowland B, Willis DE, Reece S, CarlLee S, Gurel-Headley M, Shah SK, Macechko MD. Associations between 5-year influenza vaccination and sociodemographic factors and healthcare access among Arkansans. Vaccine. 2022 Jun 15;40(27):3727-3731. doi: 10.1016/j.vaccine.2022.05.031. Epub 2022 May 20. PMID: 35606233; PMCID: PMC9810239.

  • * Calmels A, Heng AE, Corbin V, Garrouste C, Greze C, Pereira B, Lesens O. Vaccination coverage reinforced by an infectious disease consultation during pretransplant check-up in patients awaiting kidney transplantation: A randomized study. Infect Dis Now. 2023 Oct;53(7):104718. doi: 10.1016/j.idnow.2023.104718. Epub 2023 May 12. PMID: 37178869.

  • * Klein NP, Wiesner A, Bautista O, Group T, Kanu K, Li ZL, McCauley J, Saxena K, Tota J, Luxembourg A, Bonawitz R. Immunogenicity and Safety of Extended-Interval 2-Dose Regimens of 9vHPV Vaccine. Pediatrics. 2024 Aug 1;154(2). doi: 10.1542/peds.2023-064693. PMID: 38978512.

  • * Casey RM, Najjengo MS, Lubega I, Sekiziyivu AB, Twinomuhwezi-Oyet E, Nakato WN, Sciarratta CN, Chu SY, Doshi RH, Kambugu A, Gidudu JF. Adverse events following immunization (AEFI) with fractional one-fifth and one-half doses of yellow fever vaccine compared to full dose in children 9-23 months old in Uganda, 2019-2020 - Preliminary report. Vaccine. 2024 Sep 17;42(22):126197. doi: 10.1016/j.vaccine.2024.126197. Epub 2024 Aug 15. PMID: 39153293; PMCID: PMC11741117.

  • * Masters NB, Goodwin Cartwright BM, Rodriguez PJ, Farrar KG, Do D, Stucky NL. Delayed or Absent First Dose of Measles, Mumps, and Rubella Vaccination. JAMA Netw Open. 2026 Jan 2;9(1):e2551814. doi: 10.1001/jamanetworkopen.2025.51814. Epub 2026 Jan 2. PMID: 41481291; PMCID: PMC12761340.

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