Search and filter adverse-event reports.
1,929,324 reports(825 ms)
heart problem; ringing on his ear; This is a spontaneous report received from a Consumer or other non HCP, Program ID. A male patient received BNT162b2 omicron (kp.2) (COMIRNATY (2024-2025 FORMULA)), as dose 1, single (Batch/Lot number: unknown) for covid-19…
inappropriate use due to administering only the dtap-ipv component of the pentacel to a patient, without reconstituting the act-hib component with no reported adverse event; Initial information received on 02-Sep-2025 regarding an unsolicited valid non-serious…
staff used sterile water to dilute ACT-HIB and administered it to a patient with no reported adverse event; Initial information received on 02-Sep-2025 regarding an unsolicited valid non-serious case received from a nurse. This case involves a 14 months old f…
inappropriate use due to act-hib being reconstituted with the incorrect diluent and administered to a patient with no reported adverse event; Initial information received on 02-Sep-2025 regarding an unsolicited valid non-serious case received from a other hea…
Pain in arm; Gums start to swell; Gum start to hurt a lot; This spontaneous case, initially received on 30-Aug-2025, was reported by a non-health professional and concerns an adult male patient. Administration of company suspect drug: On 29-Aug-2025, the pati…
After receiving the vaccine, I had a check up with my nephrologist and she informed me that my creatinine levels had skyrocketed from 2.4 to 13. I was placed in the hospital and given dialysis that day. My left kidney stopped working all together. Later into…
Pt was not due for ActHIB and was accidentally given this instead of Menveo. No issues or concerns, patient will be returning for re-vaccination of proper vaccine in 3 more weeks.
Administered an expired vaccine. No adverse reactions.
Patient received flu vaccine, then saw her younger sister get vaccinated. She and her family had left the room and were walking behind this RN on the way to checkout desk. Patient fell into this RN and then onto the floor, hitting her head on the wall. This RN…
Received TDap injection in my left arm ( 8/11)and started to experience aches the following week. On Friday morning 8/22 the aches turn into pain, swelling and a knot in my left arm. I went to see the on call provider and she prescribed me 2 medication, pred…
Numbness around site of injection, Measuring 5.5cm by 3.5cm. This was first noticed about 1 week after the injection. No pain, redness, swelling or fever. I accidentally noticed that the area on my deltoid has lost any ability to feel touch.
pt was administered the wrong vaccine-was suposed to be mmr
The left side of my body felt numb. I called my doctor and she told me to come in in the morning. The next morning I saw a doctor and he didn't know what to do so he sent me home and said don't worry. Shortly after I started getting stomach pains which led to…
Don?t know which one I got they checked and made sure I got a different one from the one I had last time. I have a fever of over 100. Headache, my face is hot. My arm is sore and I?m very tired.
Patient received initial dose of RSV vaccine on 9/11/24 and incorrectly received a second dose on 9/2/25
Patient received an RSV vaccine ( Arexvy ) at the pharmacy and had no adverse event. It was discovered afterwards that the patient had already received the Arexvy vaccine on 10/13/2023 at a pharmacy in another state.
Patient received an RSV vaccine ( Arexvy ) at the pharmacy and had no adverse event. It was discovered afterwards that the patient had already received the Arexvy vaccine on 10/13/2023 at a pharmacy elsewhere.
A week after the first dose, my heart began to raise and beat fast, experienced confusion, lightheaded, weakness in legs, sweating and almost lost consciousness. 1 week after the second dose, I was admitted with congestion heart failure. Currently on heart me…
Patient received a vaccine from a freezes whose temperature was out of range for 22 hours total duration. At max 10.85F. Called Merck manufacturer and they supported use without any concerns about viability and stability. Still wanted to report. Pt reports no…
Diarrhea the same evening which pt notes lasted 2 weeks. Resulting electrolyte imbalance triggered atrial fibrillation. Pt delayed his own medical care and did not seek care until over a month later, so unclear how much can be ascribed to the initial vaccine e…