Pediatric Immunization Schedule – Vaccine Side Effects

Infectious Diseases

Pediatric immunization schedule – vaccine side effects


Not a day goes by when I am not asked about possible side effects in children after vaccinations. Here is my list of common side effects for the vaccines we give most often in Canada, according to the Centers For Disease Control. Please check your local child immunization schedule to see when these vaccines are given.

  1. Diphtheria, tetanus, pertussis, polio, H influenza (DTap-IPV-HiB) vaccine – ‘Pediacel’ – Tdap vaccine side effects and whooping cough vaccine side effects
  • Fever – ¼
  • Redness or swelling where the shot was given – ¼
  • Tenderness where the shot was given – ¼
  • Arm or leg swelling – 1/30
  • Fussiness – 1/3
  • Poor appetite or fatigue – 1/10
  • High fever – 1/16,000
  • Seizures – 1/4,000
  • Allergic reaction – 1/1,000,000
  • Kids more frequently get symptoms with the 4th or 5th dose
  1. Pneumococcal Conjugate Vaccine – ‘Prevnar’ side effects
  • Fatigue – ½
  • Redness or pain at vaccine site – ½
  • Poor appetite – ½
  • Swelling at vaccine site – 1/3
  • Fever – 1/3
  • Fussiness – 8/10
  1. Rotavirus vaccine side effects
  • Irritability – 1/10
  • Diarrhea – 1/10
  1. Measles, Mumps, Rubella (MMR) Vaccine – MMR vaccine side effects
  • Fever – 1/6
  • Rash – 1/20
  • Swollen lymph nodes – 1/75
  • Febrile seizures – 1/3,000
  • Stiffness or pain in the joints – ¼ adults, not common in kids
  • Allergic reaction – 1/1,000,000
  1. Meningococcal (Men C) vaccine side effects
  • Redness or pain at the vaccine site – 1/10
  1. Varicella vaccine – chicken pox vaccine side effects
  • Tenderness at the vaccine location – 1/5
  • Fever – 1/10
  • Rash – 1/25

The general information provided on the Website is for informational purposes and is not medical advice.

Do NOT use this Website for medical emergencies.

If you have a medical emergency, call a physician or qualified healthcare provider, or CALL 911 immediately. Under no circumstances should you attempt self-treatment based on anything you have seen or read on this Website. Always seek the advice of your physician or other licensed and qualified health provider in your jurisdiction concerning any questions you may have regarding any information obtained from this Website and any medical condition you believe may be relevant to you or to someone else. Never disregard professional medical advice or delay in seeking it because of something you have read on this Website.

Dina M. Kulik, MD, FRCPC, PEM

About Dina M. Kulik, MD, FRCPC, PEM

Dina is a wife, mother of 4, and adrenaline junky. She loves to share children’s health information from her professional and personal experience. More About Dr Dina.

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