Search and filter adverse-event reports.
1,929,324 reports(837 ms)
Onset of PAC in couplets or triplets; heart palpitations that will self-resolve but last up to 1.5 hr at a time
No adverse reaction occurred. One of our pharmacists mistakenly gave two flu shots to this patient.
Wrong vaccine was given, patient needed Tdap not Dtap.
Dtap was given, needed Tdap
pt fell/fainted approximately 15 minutes after administration and hit her head, transported via ambulance for evaluation
Per Mom, child developed fever of 100.5 for 3 days then fever slight went up to 100.8. Mom was giving fever-reducing med. Mom called clinic on 9/19/25 and was advised to seek med attention. Mom took child to urgent care and was advised to stop the medicine…
dizziness, headache, nausea
As administrator went to administer a vaccine, the child's right hand came down and pulled the needle and syringe out of his leg. The syringe landed on the table. The vaccine was given fully. When the administrator assessed the child, he had a needle scratch…
PT called next day to inform us she had experience severe flu-like symptoms, bodyaches, severe headache, mouth numbness, right eye jittery w/ blurred vision and blind spot. No fever that she is aware of. Onset about 1 hour after shot.
Patient passed away 9/21/25 at the hospital.
Febrile seizure, fever, unresponsive, slight tremors, lethargic, irritable
Immunizing technician thought she was giving one flu shot and one Covid shot to patient, she actually ended up giving the patient 2 flu shots.
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 79-year-old patient who received Herpes zoster (Herpes Zoster vaccine) for prophylaxis.…
Husband of pt called and stated pt has been feeling sick, lightheaded, and having nerve pain on her side under her breast
~1 hr after receiving vaccine, rapid onset of bright red skin discoloration on both elbows (extending mid forearm and mid tricep and wrapping around arm almost to pit of elbow) , both ears, multiple 6-8" diameter areas on abdomen. Skin discoloration was eleva…
Patient given Fluzone HD despite not meeting criteria for this vaccine. Patient notified by this reporter, no adverse effects noted.
Clinic has visited the Senior Loving on 9/10/2025 for an influenza vaccine clinic. Patient received influenza vaccination that was not documented properly in Alert. PCP Clinic and acting Local Public Health Authority went to Senior Living on 9/22/2025 to admin…
Patient received the vaccine though they has already gotten prev in Dec 2023.
This was not an adverse event, it was an administration error. I gave the diluent by itself without mixing it with the antigen component. I then repeated the vaccine the correct way. The patient was fine after administration. I explained to her what had happen…
patient called to report she had a 2 inch diameter welt at injection site. She also had a warm and painful with out rash at the site. Patient was adviced to apply a ice/warm compress and may take Tylenol and or ibuprofen. Patient called back 09/21/2025 to sta…