Search and filter adverse-event reports.
1,929,324 reports(817 ms)
Swelling of 2" diameter, erythema, pain - greater than expected
Patient was diagnosed with cellulitis and provided with clindamycin prescription 08/29/2025. Additionally, during examination by MD and PharmD it was apparent the shot was administered too low.
The patient presented to the ER with vomiting and found to have intussusception on ultrasound. The intussusception did not resolve with air enema x 2 attempts and subsequently had a exploratory laparoscopy which discovered spontaneous resolution, not requiring…
Client received an incorrect vaccine at this appointment. Tdap given--client was due for Hepatitis B #3. Client notified of error at appointment. Received 3rd dose of adult Hepatitis B at this appointment.
Patient developed a localized reaction on her L thigh with redness and swelling. Redness started on 8/27/25 and was reported to doctors office on 8/28/25. Patients mom was recommended to use ice on the area and give the patient Tylenol for discomfort if any. P…
VACCINE WAS NOT MIXED BEFORE GIVEN TO THE PATIENT
RN called different client's name and patient stood up. RN did not verify name or DOB before administering three vaccines- Hep A, Polio IPV, and Varicella. Patient was already up to date on series for those vaccines and parent reported no adverse effects in…
Patient became dizzy and pale lost balance and fell backwards
I was 28w5d pregnant (due date of 10/25/25) at the time of receiving the TDAP vaccine. I had pain in my arm from the start, but was told it was normal for it to hurt for 2-3 days. It has now been 3 weeks and the pain has not gone away and is worse when I move/…
Patient states she had ringing in her left ear that started on 28 Aug 2025; which was contact. The next morning the patient woke up and couldn't not hear anything out of the same ear.
Redness, bruising, warm to touch, swelling.
4-5 inch hard lump on arm where vaccine was administered, warm/red/raised
Pt developed itchiness, redness and swelling surrounding Kinrix injection site to left anterior thigh 1 day after administration. Mom states she wasn't too worried about it until this morning when the area looked larger. The size in diameter of induration is a…
KINRIX (DTAP/IPV) WAS GIVEN TO THIS PATIENT IN ERROR AS IT IS NOT APPROVED FOR THE AGE OF THE PATIENT. NO KNOWN ADVERSE EFFECTS ARE KNOWN.
Retina artery occlusion
Patient woke up early on 8/21/25 to use the bathroom. She had a very sore arm. felt heavy, dizzy, and had a possible fever. Her arm was hot, swollen. Her mom said she was breathing hard and patient's heart was racing. Her face was also puffy according to her m…
patient called about redness, swelling, and warmth at the injection site
patient received flu immunization and then went and sat on bench- within 5 minutes she passed out- had her lie down and applied cold towels and monitored blood pressure- she came too very quickly
Priorix was inadvertently given IM instead of SQ. No adverse reaction.
Pregnancy Delivery date estimated 10/10/25. Following vaccine, severe unusual fatigue and some pain at the injection site - not unexpected; unusually overheated all day. Next morning, very sore & scratchy throat, constant coughing (not able to be soothed), co…