Report #2892761

Received Apr 14, 2026

ER / ED visitOffice visit

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Overview

Sex: Female
Age: 4 yrs
State: TX
Recovered: Unknown
Vaccinated: Apr 9, 2026
Onset: Apr 11, 2026
Days to onset: 2
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	2	Z016254	SC / RL

Symptoms (9)

Blood testComputerised tomogram headHeadacheInjection site erythemaInjection site painInjection site warmthMobility decreasedPyrexiaReaction to previous exposure to any vaccine

Symptom narrative

Severe headache leading to ER visit for IV medication. Persistent headache for >3 days following ER visit.

Current illness

None

Medical history

None

Other medications

None

Allergies

None

Lab data

CT scan of head, complete bloodwork

Prior vaccinations

Proquad dose #1; severe site reaction with redness, warmth, pain, limited use, high fevers.