Search and filter adverse-event reports.
1,929,324 reports(781 ms)
facial swelling and hand itching 18 hours post dose administration
rash 24 hours after vaccination, red rash that coalesce in pressure zones and it is evanescent. persistent , dermographism positive.
febrile seizure lasting about 1-2 minutes
Patient received vaccines on 5/30/25 around 10:30am. Per parents, who are both physicians, patient developed a fever on 5/31/25, temperature unknown. Parents gave Tylenol and Motrin as needed. That same night while patient was sleeping, the patient experienced…
Approximately 6 weeks after receiving the second Pfizer COVID19 injection, my migraine began to be daily. I have suffered migraines since my teen years but since the vaccine, this new pattern emerged. The pain comes on mid-morning to mid-afternoon every day al…
Upon patient checking out pt began to feel dizzy and became weak, vitals wnl, EKG and Accucheck performed, also wnl, patient sent to the emergency room by EMS
No adverse event reported. YF-Vax given by IM route instead of subcutaneous.
After receiving her three vaccines patient had a syncopal event. Patient was seated and soon after the last vaccine she fell forward and to the floor. According to the father patient hit her face and suffered a cut to her lower lip(on the right side). Medical…
NO adverse effects, child given wrong vaccine
The normal procedure is to mix the HIB powder with the DTaP-IPV liquid prior to administration of the vaccine. Instead, the HIB powder was mixed with a sterile diluent meant for other vaccines. No Adverse Reactions Occured.
FEVER, FATIGUE , CHEST DISCOMFORT , arm pain started at the evening of the vaccination. Today 06/19/25 mother states that the child is doing better . afebrile since last evening
Menquadfi ACWY administered to patient in error. This 2 dose series was already completed. Patient was due for a different type of Menigitis vaccine. RN obtained and administered wrong vaccine resulting in patient receiving 3rd Menquadfi ACWY vaccine. Mother,…
pt experienced vaccine associated rash as a side effect of the vaccine. the pt explained she was experiencing itchiness of the site, it felt hot to touch, and it was getting larger in terms of being inflamed. when examining the site of the reaction, we saw it…
MMR (# 2 - got one early due to international travel), Varicella vaccines given on 6/12. One day prior patient had rhinorrhea, for one day following the vaccine she had diarrhea. Starting 6/17 she developed fever 101-103 improved with iburprofen. At the same…
The patient had a golf ball size knot at the place of injection, with redness/rash at the site and was hot to the touch. Told the patient she might be experiencing an allergic reaction and she went to the doctor and get doxycycline and prednisone.
Patient was administered an expired vaccine. Vaccine expired on 06/11/2025, vaccine given on 06/18/2025. Patient didn't experience any adverse events.
When patient in the car after the vaccines given in clinic, patient parent states that patient had a seizure. Her "legs and arms went stiff". Mom gave rescue seizure medication nasally in the car. Patient did have one episode of emesis in the parking lot. Par…
tingling sensation starting 06/18/2025 in left side of face that moved to mouth/lips then moved to tongue leading to no sensation in mouth about 30 minutes after vaccine administration that continued throughout the night. on 06/19/2025 redness at the inject…
Warmth, redness, swelling, fatigue, skin ulceration, reported via my chart on 6/13/25. Patient was advised to use warm compress, Tylenol, and ibuprofen. If worsens or does not improve needs to be seen. Patient was seen in clinic for further evaluation7 days af…
Patient stated that his doctor told him to get the MMR vaccine. Patient came to the clinic to receive MMR. I gave him the vaccine, but did not realize that the patient was prescribed and taking skyrizi. He came back to the clinic today (6/19/2025) to receive h…