Search and filter adverse-event reports.
1,929,324 reports(784 ms)
swelling, pain at injection site
My arm is still feeling very firm, like it is just a real firm feeling it / it is a very solid heel in the area of the injection; The injection area is about two inches by two inches, very red, blotchy and itchy; The injection area is about two inches by two i…
I went in for the annual flu vaccination, when the vaccine was administered, I felt tightness in my throat, a few hours later I developed a rash across my arms, chest, and upper back. Later that night i developed chest tightness and difficulty breathing, I con…
Patient came to the pharmacy and stated that she got shingle vaccine 12 days ago and her arm is still red and sore that is difficult for her to mover her arm. She had a picture of big red spot on her arm that seems unusual for injection site reaction and she b…
Provider ordered a HPV vaccine and the patient didn't need it. It was given by her nurse. Provider recognized she made a mistake and told the patient and mother. Mother voiced understanding and was not upset.
Family noticed an area of redness and small nodule at site of vaccines given at 6 mo appt some time in Dec. First called office on 12/16, examined at appt they scheduled on 12/22. Thought to be injection site nodule but ordered an ultrasound for definitive dia…
VOMITING AND FATIGUE LASTED AROUND 1 DAY
Pt reported rash on right arm 1/2/26. Denies pain, itching, states she wouldn't have noticed it if she hadn't taken a shower today. about 2 inches below injection site, approx 3inX5in. Unclear if related to vaccine. Provider aware, did not think warranted abx.…
Vaccine was given beyond the BUD. BUD was 12/08/2025. Vaccine was given on 12/10/25. No adverse reaction.
Developed Myelodysplastic Syndrome. Death on 3/16/2022
Flu vaccine given in error in place of Covid-19 vaccine. Patient, parent, and provider immediately notified. Discussed with care team how to add more safety nets to prevent future occurrences.
Vaccine was given beyond the BUD. BUD was 12/08/2025. Vaccine was given on 12/30/2025. No adverse reaction.
Flu vaccine given in error.
Pain at side for 4+ days and approx 4 inch area of swelling and redness on left bicep developed around day 6
Vaccine was given beyond the BUD. BUD was 12/08/2025. Vaccine was given on 12/13/2025. No adverse reaction.
Patient shares that on 11/18/25, she received an influenza vaccine. She says that after receiving the vaccine, she experienced significant pain in her arm. When her arm started to go numb, she called Nurse Triage on 12/1/2025 and then followed up with an appoi…
Vaccine was given beyond the BUD. BUD was 12/8/25. Vaccine was given on 12/23/2025. No adverse reaction.
None stated.
None stated.
patient had vasovagal response - felt dizzy and faint about 1 minute after vaccination, had patient lay down on exam table, reported feeling better after about 2-3 minutes, had patient sit with father in waiting area, pt felt faint and dizzy again 10 minutes a…