Search and filter adverse-event reports.
1,929,324 reports(779 ms)
Rash, vomiting. IM Benadryl given
Awakened from sleep while at home by my dog. When I got out of bed to turn on the light I had a full body tonic seizure lasting less than 1 minute at 1:00 a.m. I have never had a seizure before. I never lost consciousness. I vomited at the beginning and lost c…
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 78-year-old patient who received Herpes zoster (Shingles vaccine) for prophylaxis. Co…
Patient reports painful welts and swelling following vaccination. Patient visited primary care provider who prescribed antibiotics and advised her to avoid subsequent doses of Shingrix.
On 11/6/25, patient diagnosed with Bell?s Palsy, Facial Droop.
Erythematous rash with faint vasculitis reaction on left arm, improved with time without need for antibiotics. Symptoms started 1-day after injection, persist today (about 6-days later), but are improving.
On 03/03/2026 at 2:01 PM, patient arrived for immunizations and was screened by RN with Clinic Supervisor interpreting. The patient denied receiving vaccines in the past four weeks, and state immunization system showed no records since 2018. A flu vaccine was…
Sore arm, increased tinnitus, dizziness, no fever. Tinnitus is worse now. Sleep disturbed.
2 month 10/21/2025 1055 AM 4 month old 12/26/25 240 pm was given Menveo 10 yrs old & up (vial) No adverse reaction noted
Was given Menveo (10 yrs to 55 yrs) no adverse reaction for all doses x4.
Patient reports Guillain-Barré Syndrome after receiving influenza vaccination.
Evening of vaccinations on 3/3/26 patient began to have soreness causing no sleep. She states the vaccinations were painful at administration. She had a fever starting that evening as well. A large welt on her arm has now caused streaking down her arm. She wen…
Patient reported that after her second dose of COVID vaccine, she went to the urgent care because she felt really sick. Patient stated she normally is not one to get care or make a big deal out of being sick. Urgent care reported it was from the vaccine. Sh…
after giving the first dose, the patient experienced paralysis on the left side of her body (the vaccine was administered in the left arm) and had to go to the hospital.; This spontaneous report was received from a physician (gynecologist) via company represen…
5 days after the vaccination, I experienced a mild burning/itching/irritated sensation in my left-to-central chest. It persisted for 5 days with no relief or exacerbation by position, eating or exertion.
Next day Flu like symptoms, chills, exhaustion, extremely swollen at site of injection, about 4 days later severe vertigo for 1.5-2 weeks, debilitating. Dizziness, lightheaded, nothing helped with vertigo, just had to wait until it subsided. Every now and then…
no reaction reported by patient
shoulder pain
I believe the issue is about placement more than the vaccination itself. I remember the injection was really high and painful on my arm. I subsequently developed a lipoma at the exact injection site requiring surgical removal on March 3, 2026 at [withheld name…
Vaccine site reaction / Cellulitis