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.
ByHealthwise Staff Primary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency Medicine Specialist Medical ReviewerH. Michael O'Connor, MD - Emergency Medicine
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