Age: 3.0
Sex: F
Vaccine: TDAP
Symptoms: Accidental underdose, Allergy to vaccine, Body temperature increased, Crying, Decreased appetite
Clinical narrative: allergic reaction to vaccination; flu like symptoms; swelling face; throat closing; miserable; elevated temperature; crying; feeling unwell; cold symptons; congested; couldn't breathe; couldn't swallow; refused food and water/really needy; refused food and water/really needy; Inappropriate age at vaccine administration; accidental underdose; This case was reported by a consumer via call center representative and described the occurrence of allergy to vaccine in a 3-year-old female patient who received DTPa (Reduced antigen) (Boostrix) for prophylaxis.   In May 2019, the patient received the 3rd dose of Boostrix. In May 2019, several hours after receiving Boostrix, the patient experienced allergy to vaccine, influenza-like symptoms, facial swelling, throat constriction, feeling miserable, body temperature increased, crying, feeling unwell, cold symptoms, nasal congestion, difficulty breathing, unable to swallow, fluid intake reduced, appetite absent, inappropriate age at vaccine administration and accidental underdose. The patient was treated with antihistamine. On an unknown date, the outcome of the allergy to vaccine, influenza-like symptoms, facial swelling, throat constriction, feeling miserable, body temperature increased, crying, feeling unwell, cold symptoms, nasal congestion, difficulty breathing and unable to swallow were recovered/resolved and the outcome of the fluid intake reduced, appetite absent, inappropriate age at vaccine administration and accidental underdose were unknown.   It was unknown if the reporter considered the allergy to vaccine, influenza-like symptoms, facial swelling, throat constriction, feeling miserable, body temperature increased, crying, feeling unwell, cold symptoms, nasal congestion, difficulty breathing, unable to swallow, fluid intake reduced and appetite absent to be related to Boostrix.  Additional details were provided as follows:  In May 2019, the patient had the Boostrix vaccine and reported that the patient experienced an allergic reaction to the vaccination. Within a couple of hours, after receiving the vaccine, the patient experienced flu like symptoms. And felt miserable and had an elevated temperature and wasn't feeling well and refusing food and water and was really needy.   Five hours later, her whole face started to swell and her throat started closing up. The patient was crying that the patient couldn't swallow.  The patient was describing her symptoms as cold symptoms with a temperature and the patient was congested which got worse with face swelling and the patient couldn't breathe. The patient was taken to the emergency room and stayed for a few hours until the reaction resolved. They gave her an antihistamine and monitored her condition for a few hours before released.  The mother of the patient claims that her daughter's pediatrician already reported the information. The Mother believed that the Boostrix vaccine was her 3rd DTap dose but she couldn't be certain, which led to inappropriate age at vaccine administration and underdose were unknown. The reporter consented to follow up.