Search and filter adverse-event reports.
1,929,324 reports(772 ms)
2 additional individuals contracting the Hantavirus due to the adverse effect of the Pfizer vaccine named Pfizer-BioNTech; This is a spontaneous report received from a Consumer or other non HCP. A patient (age and gender not provided) received BNT162b2 (BNT16…
2 additional individuals contracting the Hantavirus due to the adverse effect of the Pfizer vaccine named Pfizer-BioNTech; This is a spontaneous report received from a Consumer or other non HCP. A patient (age and gender not provided) received BNT162b2 (BNT16…
left arm pain radiates to axilla
5 seconds of seizure-like activity this AM while watching a movie with grandma. Per Grandma, pt's body went rigid, he began having jerking body movements, and he had "gasping" type breathing. When seizure-like activity subsided, pt had about 1 minute of post-i…
UNKNOWN
No side effects occurred. Pt was given a 2nd dose of flu vaccine 2025-2026 by error
Patient came in requesting Hep B, Pneumonia, Tdap, and Varicella. States she was recently diagnosed with MS and has started her treatment 1 week ago (6 doses of Copaxone 20 mg thus far). States the goal is to start on infusions once she completes vaccines and…
none
On 05/13/26, 16 yo M was seen in clinic for routine child health examination. During this visit, pt was ordered to receive MENACWY-TT (>=2YR) VACCINE (MENQUADFI) and MENB (>=10YR) VACCINE (BEXSERO). Pt had not eaten breakfast prior to arrival, so he was given…
Initial Symptoms included: - Marked redness surrounding injection site - Significant swelling and firmness of the upper arm - Intense warmth, extremely hot to touch - Severe tenderness and pain The degree of heat and discomfort was substantial enough that I…
no additional AE; improperly stored dose of ROTATEQ was administered to a patient 4/29/2026; This spontaneous report was received from an office manager and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions,…
Patient had near fainting episode after vaccination
Patient was given IPOL and MMR instead of Varivax and MMR. There was miscommunication on which vaccines the patient wanted as his wife was translating for him and she insisted that they fill out the form, even though the other form was also offered, which she…
In the fall of 2025, the patient received a COVID vaccine in the right upper arm. She had an immediate onset of pain that has remained since that time. Her symptoms worsened over the next three to four months. She was being seen by a chiropractor who informed…
Patient states the pain started in the arm the day after the vaccine was given on 1/6/26. Patient has since received physical therapy but has stopped. Pain is still present.
Pt was given an expired vaccine. vaccine expired on 4/3/26
Suspected vaccination failure; had both shots and I got shingles; This serious case was reported by a consumer via interactive digital media and described the occurrence of vaccination failure in a patient who received Herpes zoster (Shingles vaccine) for prop…
ACTHIB was incorrectly reconstituted and administered to a patient today/ACTHIB was reconstituted with a sterile diluent, with no reported adverse event; Initial information received on 11-May-2026 regarding an unsolicited valid non-serious case received from…
some redness day of vaccine, some swelling the next morning. on 5/8/26 patient had a seizure at home early morning. blood sugars were up and down after the vaccine.
arm stiffness