Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/22/2025

Vaccination Guidelines for Individuals with Spleen Rupture or Splenectomy

Initial Vaccination Requirements

  • The American College of Surgeons recommends pneumococcal vaccines, including PCV13 (or newer PCV15/PCV20) followed by PPSV23 at least 8 weeks later, for individuals with spleen rupture or splenectomy 1, 2, 3
  • The Centers for Disease Control and Prevention (CDC) suggests meningococcal vaccines, including MenACWY (2 doses, 8 weeks apart) and MenB (2-3 dose series depending on formulation), for individuals with spleen rupture or splenectomy 2, 3
  • The World Health Organization (WHO) recommends a single dose of Haemophilus influenzae type b (Hib) vaccine if previously unvaccinated 2, 3
  • The CDC recommends annual influenza vaccine for life 2, 4, 5

Timing of Initial Vaccination

  • The American College of Surgeons recommends vaccinating at least 2 weeks before elective splenectomy for optimal antibody response 6, 3
  • The World Journal of Emergency Surgery suggests waiting at least 14 days after emergency/trauma splenectomy, as antibody response is suboptimal before this time 2, 6, 3

Required Booster Immunizations

  • The CDC recommends revaccinating with PPSV23 every 5 years for life 4, 3
  • The American College of Surgeons suggests revaccinating with MenACWY every 5 years for life 6, 3
  • The CDC recommends revaccinating with MenB every 2-3 years if risk remains 3
  • The WHO recommends annual influenza vaccine for life 2, 4, 5

Why Boosters Are Essential

  • The World Journal of Emergency Surgery reports that overwhelming post-splenectomy infection (OPSI) has a mortality rate of 30-70%, with most deaths occurring within 24 hours 2, 4
  • The CDC states that antibody levels decline over time, making revaccination essential 4, 3

Additional Protective Measures

  • The World Journal of Emergency Surgery recommends lifelong antibiotic prophylaxis, considering daily phenoxymethylpenicillin, especially in the first 2 years 4, 3
  • The CDC suggests keeping emergency standby antibiotics, such as amoxicillin, at home to start immediately with fever >101°F (38°C) 2, 4, 3
  • The American College of Surgeons recommends carrying medical alert identification and informing all healthcare providers of asplenic status 3, 1, 2