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Immunizations That May Cause Fever

Immunizations That May Cause Fever

Topic Overview

Short-term, mild reactions to immunizations are common. Immunizations that may cause a fever include:

  • Diphtheria, tetanus, acellular pertussis (DTaP) or diphtheria, pertussis, tetanus (DPT). Babies can have a fever of up to 104°F (40°C) within 2 to 3 hours of getting the DTaP or DPT shot. Children may be fussy and have other mild symptoms such as poor appetite, sleepiness, or redness and swelling at the shot site for a few days.
  • Measles, mumps, and rubella (MMR). The shot site may become red, swollen, hard, and slightly warm within the first 24 to 48 hours. Fever also may occur up to 2 weeks after the shot. A mild rash may develop up to 3 weeks after the shot.

Credits

Current as ofSeptember 23, 2018

Author: Healthwise Staff

Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine

Adam Husney, MD - Family Medicine

Kathleen Romito, MD - Family Medicine

H. Michael O'Connor, MD, MMEd, FRCPC - Emergency Medicine

 
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