Search and filter adverse-event reports.
1,929,324 reports(812 ms)
The vaccine dripped on the patient arm, and not received the full dose with no reported adverse event; The vaccine dripped on the patient arm, and not received the full dose with no reported adverse event; The vaccine dripped on the patient arm, and not receiv…
concomitant administration of pentacel and acthib with no reported adverse event; Initial information received on 25-Nov-2025 regarding an unsolicited valid non-serious case received from a physician. This case involves a 7 months old male patient who had con…
I was in pain for 3 wks following the 2nd booster. My arm was sore, itched but not severe to seek med attention. The pain can be described as if the vaccine attacked every inch of my body that already had arthritis, and made that arthritic pain ten-fold. I wou…
Patient experienced anaphylaxis following administration of the flu vaccine. Patient had to go to hospital where they received medrol and benadryl to help with the allergic reaction. Patient does not have a history of bad reactions to immunizations; this was t…
An hour after the shot, and post exercise: (6:20pm) Rapid decrease in HR to 40 bpm, then HR spike to ~163 bpm, nausea, lightheaded, muscle spasms, chills. Tachycardia following the event. 106 bpm at rest, 130 bpm standing upright (11:00pm). Ongoing tachycardi…
Severe vomiting within hours. Followed by extreme weakness in the legs the next day resulting in a fall. Fever (102) for days 2 and 3. No further fever day 4. Weakness persists.
Red patches on face
At injection site, large rash at least 3" diameter, itchy, painful, hot. Prescribed Betamethason Dipropionate Cream 0.05% twice/day and Cetirizine Hydrochloride tablets, 10 mg. once/day, for 7 days. Outcome was that all symptoms went away.
Patient reported heavy flu-like symptoms: vomiting x4 over 2 days, body aches, fever, sweating, jaw pain. Patient reported testing negative for flu/covid
12/01/2025 Individual reported consistent right shoulder pain when reaching above shoulder level since receipt of a flu vaccine administered 10/22/2025.
The night following the vaccine patient noticed a red spot at the injection site that was the size of a dime. The following morning the red spot increased to the size of a baseball, was hot to the touch, sore and felt hard around the area. Patient went to a w…
Patient states prexisiting concerns with nasal passage and seeking care at the time from ENT and procedure completed same time period of vaccine,once given vaccine nasal concernss worsened and BP increased.
Patient reported shingles outbreak 4 days after influenza vaccination in same location as shot was given- left arm
Patient reported flu-like symptoms, malaise, and decreased appetite for approximately 1 month after receiving vaccine.
WHILE SEATED DURING THE 15 MINUTE POST VACCINE WAIT PERIOD, PATIENT PASSED OUT. PATIENT BUMPED HEAD ON HIS WAY DOWN. REGAINED CONCIOUSNESS IMMEDITAELY, PARAMEDICS TOOK OVER MEDICAL ASSISTANCE. SUSTAINED LOW BLOOD PRESSURE AND HEART RATE FOR 10 MINUTES. VITALS…
Patient was given a ProQuad at the age of 13. Vaccine is meant to be used in patients 12 and below.
After 12 hours, I felt chills and malaise. For 48 hours, back pain seemed to intensify in terms of could not sit for long period of times without the need to perform physical therapy stretches to alleviate the pain. Back pain resolved after 48 hours without u…
Patient developed significant myalgia post vaccination; then tested positive for COVID a week later; has had a rising ESR and CRP. On repeat today, ESR was 50
Patient stated that for 3 days after vaccine he was unable to function and had severe vertigo.
Patient states that for 3 days following vaccination he was unable to function and had extreme vertigo.