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Report #2881069

Received Jan 8, 2026

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
Male
Age
4 yrs
State
DC
Recovered
Unknown
Vaccinated
Jan 6, 2026
Onset
Jan 7, 2026
Days to onset
1
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.2—IM / AR
UNKVACCINE NOT SPECIFIED (OTHER)UNKNOWN MANUFACTURER5—IM / AR

Symptoms (3)

Injection site erythemaInjection site painInjection site warmth

Symptom narrative

My son received two vaccines at his 4 year old check up and approximately 24 hours after the vaccine started to report that the injection on his right arm was bothering him. The upper part of the arm where one of the two vaccines had been administered was red covering an area of approximately 2 inches by 3 inches. The area was warm to the touch and slightly raise. My son said that it did not itch and that it was a little painful, it seemed to be more painful upon palpation. There was no signs of infection (no pus, no wound, etc) and my son did not have a fever (highest temperature via forehead scan was 99.5 degrees F). We called the doctors office to report the reaction to the vaccine. The doctor said that she thought it was a reaction to the DTaP + IVP vaccine however they did not know for sure which vaccine went into which arm.

Current illness

None.

Medical history

None.

Other medications

None.

Allergies

None