Search and filter adverse-event reports.
1,929,324 reports(807 ms)
suspected Vaccination failure; Shingles; This serious case was reported by a consumer via interactive digital media and described the occurrence of vaccination failure in a female patient who received Herpes zoster (Shingles vaccine) for prophylaxis. On an…
PATIENT STATES RESIDUAL DIZZINESS ONE DAY AND TWO DAYS AFTER VACCINATION
Pfizer Comirnaty (12+) inappropriately stored in freezer. Dose was administered to pt before error was caught. No known adverse event or side effects.
Pfizer Comirnaty (12+) inappropriately stored in freezer. Dose was administered to pt before error was caught. Called Pfizer but they stated they do not have data to support the stability of the vaccine.
Patient reported feeling cramps, aches and nausea. Patient also received two other vaccines on 11/21/25: Bexsero and Heplisav-B
Patient reported adverse event after administration of third dose of hepatitis b vaccine, indicating that she developed a body rash. Patient state that after several days the symptoms improved, but patient didn't visit primary care. We recommend a visit pri…
Unknown if adverse reaction, waiting to hear back from patient.
Influenza seasonal vaccine in R arm- Rash and swelling around injection site, muscle aches and pain in arm, then within 24 hours an asthmatic exacerbation leading to URI requiring inhalers, nebs and steroids
Shortly after receiving the vaccination a bout of lightheadedness came over me. It was fairly short lived. Days after, a longer persistent bout of lightheadedness and brain fog came over me, and after the worst of it, feelings lingered. There was intense feeli…
> Immediately after receiving her vaccines, the patient became unresponsive for approximately 2-4 seconds while sitting at her father's lap. Parents reported no previous history of fainting after vaccinations. > RN observed a brief syncope/vasovagal episode. R…
This report is being submitted to document a vaccine administration error. Kinrix (DTaP-IPV) was administered to a 1-year 3 month-old child, which is outside the approved age range (4?6 years). The child?s parent has not reported any adverse reactions at this…
Expired vaccine inadvertently administered. No adverse event occurred
At the time of the event, verified DOB and confirmed vaccines being given to patient. Shots were administered to patient , both on Left Deltoid. Patient was fine after the vaccines. Time: 01:13 pm. Pt came back 11/26/2025 at 10:30 am, stating he has trouble l…
patient said she has been having pain in her left arm since she received the vaccine
Dtap given instead of Tdap in error, no adverse affects were reported
Patient reported her arm is swollen. Was aware that it is a potential side effect and pre-counseled regarding the manufacturer listing it as a possibility. Recommended consulting her doctor but patient said she just wanted to know if it was the shingrix or pre…
Patient was administered with Engerix- B 10mcg/0.5mL (Pedriatic dose) instead of Engerix- B 20mcg/1mL (Adult dose). Patient was reached and notified, no side effects were reported by the patient.
have itching so bad on upper leg and arms and head; This non-serious case was reported by a consumer via interactive digital media and described the occurrence of pruritus in a patient who received Herpes zoster (Herpes Zoster vaccine) for prophylaxis. On a…
2? diameter angry red welt at injection site. Pain and heat at injection site. Mild itching less than 24 hours.
He had an injection site reaction including swelling, redness and warmth to touch.