Search and filter adverse-event reports.
1,929,324 reports(809 ms)
Hypertension, dizziness, diaphoresis, bradycardia, fatigue, flushed, and headache. These began within minutes after receiving the vaccine.
Patient previously received Prevnar 20 on 8/13/2024 so the patient was not indicated to receive an additional dose. The vaccine was a duplicate so the patient was not eligible to receive dose per CDC/ACIP guidelines. Patient has not reported any adverse events…
The patient reports that approximately a week after he received his covid shot this year, he experienced a blood clot in his leg. he is due to have knee surgery at the start of 2026 so they are monitoring his leg and did not notice any clots during previous a…
Patient developed redness and swelling around injection site the day after vaccination. Went to urgent care and was told by md that it look like infection.
Intense headache. lethargy & overall ill feeling within approx 2 hours of a administration.
Evening of 09/30/25 went to bed with mild headache. Woke up around 145 am on 10/1/25 with a headache that felt like his head was being crushed. Was screaming and crying because he was in so much pain. Went to er and they thought blood clot. Gave heparin and tr…
Localized skin reaction (rash) on injection site
A few hours after the flu vaccine, I began having heart palpitations. Over two weeks later, I continue to have heart palpitations. They occur 1-2 times per day, sometimes more, sometimes it skips a day. Nothing has changed in my routine and my stress levels ar…
None- Pediatric dose given in error - should have been adult dose
Parent advised Pedvax given. She will bring patient Monday for correct vaccine.
No additional AE; GARDASIL 9 was inadvertently administered to a 6 mo old; This spontaneous report was received from a physician, concerning to a 6-month-old patient of unknown gender. The patient's medical history, concurrent conditions and concomitant ther…
varicella zoster meningitis; Suspected vaccination failure; This serious case was reported by a consumer via interactive digital media and described the occurrence of herpes zoster meningitis in a 56-year-old patient who received Herpes zoster (Shingles vaccin…
flushing; throat closing sensation; Chills, shivering; This is a spontaneous report received from a Consumer or other non HCP from product quality group. A 38-year-old female patient (unknown if pregnant) received BNT162b2 (BNT162B2), on 10Mar2021 as dose 1,…
throat closing sensation; Chills, shivering; flushing; This is a spontaneous report received from a Consumer or other non HCP from product quality group. A 38-year-old female patient received BNT162b2 (BNT162B2), on 31Mar2021 as dose 2, single (Lot number: ER…
slept most of the day; side effects that night burning up; a bad headache; hurting from her head to her feet; extremely tired; lymph nodes were swollen; Her arm was hot to the touch where she got the shot, swollen and later bruised; Her arm was hot to the touc…
reconstitution of ACTHIB with an alternate diluent and subsequent administration to a patient, with no reported adverse event; Initial information received on 23-Sep-2025 regarding an unsolicited valid non-serious case received from a nurse. This case involve…
accidentally giving expired flublok to a patient with no reported adverse event; Initial information received on 24-Sep-2025 regarding an unsolicited valid non-serious case received from a other health professional. This case involves a 26 years old male pat…
ADACEL, FLUZONE HD, MENQUADFI, Max/low temperature reached: Lowest 7.92C High 10.51 C. Above 8C since July 12 with no reported adverse event; Initial information received on 24-Sep-2025 regarding an unsolicited valid non-serious case received from a other heal…
accidentally administered with FLUZONE NP twice instead of Prevnar20 with no reported adverse event; accidentally administered with FLUZONE NP twice instead of Prevnar20 with no reported adverse event; Initial information received on 25-Sep-2025 regarding an u…
experience pain on their neck, on the side where the shot was given; received a Tenivac shot, and has been battling a fungus ever since, which is possibly ringworm infection, fungus was right above their neck; it was a non-preservative vaccine, color of vaccin…