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Report #2885736

Received Feb 16, 2026

HospitalizedER / ED visit
A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Female
Age
4 yrs
State
IA
Recovered
Recovered
Vaccinated
Feb 11, 2026
Onset
Feb 12, 2026
Days to onset
1
Hospital days
2

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
DTAPIPVDTAP + IPV (KINRIX)GLAXOSMITHKLINE BIOLOGICALS5E2JX7IM / LL
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.2Z014438IM / RL

Symptoms (10)

Blood culture negativeC-reactive protein increasedDifferential white blood cell countDrug hypersensitivityFull blood countInjection site erythemaInjection site swellingInjection site warmthMetabolic function testProcalcitonin normal

Symptom narrative

Mom brought child to urgent care clinic the day after child received vaccines. Reported baseball sized bump on left leg that is warm to touch that began the morning of 02/12/2026. She was started on cephalexin in the urgent care clinic. Patient then presented to the ED on 02/13/2026 with worsening symptoms of redness, warmth, and swelling despite 3 doses of antibiotics. Patient was then admitted to the hospital for observation and IV atb's. Of note, mom reported to hospital provider that this happened 1 previous time following vaccinations. Administered IV vancomycin while in hospital but this was discontinued due to red man reaction. Switched to IV ceftriaxone and then transitioned to oral cephalexin prior to discharge. Also treated with IV Benadryl.

Current illness

influenza A-01/11/2026, non- recurrent acute suppurative otitis media of left ear without spontaneous rupture of tympanic membrane- 01/13/2026

Medical history

Type 1 diabetes mellitus, mild intermittent reactive airway disease, congenital dermal melanocytosis

Other medications

acetaminophen PRN, albuterol PRN, Dexcom sensor, glucagon PRN, ibuprofen PRN, insulin Lispro Jr KwikPen, multiple vitamin,

Allergies

Augmentin, vancomycin (new allergy as of 02/13/2026)

Lab data

Procalcitonin (WNL), CBC with differential, CMP, Blood culture (no growth x 3 days), CRP (16.5)

Prior vaccinations

Mom reported previous reaction following vaccination at 15 months with Dtap, Hib, and PCV vaccines