Search and filter adverse-event reports.
1,929,324 reports(821 ms)
Pain, soreness, weakness in the arm, travels down to wrist area at times. This began immediately after the vaccine was administered and has continued. No treatment thus far.
Patient examination was complete by Pediatrician, Dr. Reporter then mistakenly grabbed Hepatitis A from the vaccine fridge rather than Hepatitis B. Reporter then charted the vaccine, still not catching the mistake. The NDC from Hepatitis A and Hepatitis B are…
Patient received vaccine and had no immediate reaction. Following day patient developed firm nodule at injection site. Parent denies redness, discomfort, radiating heat. Parent noted swelling of nodule localized and not general to the thigh. Parent states reac…
Pt received hepatitis B (heplisav) and PCV20 (lot # LC5483) vaccines to left deltoid on 1/5/26 administered by RN. Pt called today, 1/9/26, and spoke to this RN, and reported numbness/decreased sensation to left thumb that started the evening of the day he rec…
Mother reports progressive redness, warmth, and tenderness at both injection sites since immunizations two days ago. The areas feel warmer than surrounding skin and are tender to touch. The larger (left) lesion has continued to spread rapidly. No drainage note…
Mom called us the day after he got the vaccines and stated around 6:30pm patient started projectile vomiting, fever, and increased fussiness. Mom said tried tylenol and didn't seem to help was sustaining a 101-102 fever. As time went on patient becoming more a…
Patient reports having vertigo, neurological symptoms, and weight loss that started approximately 1 week after vaccination. Is currently seeing a neurologist.
Patient was given a pedatric vaccine. The patient does not report having any issues or adverse reactions.
11/1/2025: large hive near injection site. 1/5/2026: itching and…
Rotavirus was given out of the recommended age range.
Patient states that about 20-25 minutes after she received the vaccine her neck and left arm started to get itchy. Patient was given 50 mg of Banophen and started noticing the symptoms subside about 15-20 minutes later. Patient was released and report was file…
Pt was given the wrong Meningococcal vax. Should have been the regular Meningococcal vax not the Meningococcal B vax.
None at this time, a follow up call and appointment has happened since the vaccine
Vomiting, diarrhea. Patient was seen in the Emergency Room. Patient was sent home due to mild symptoms.
Patient did not have an adverse reaction or event. Patient received an additional flu vaccine dose in the same season. Vaccine #1 10/08/2025 and 01/0902026. A medication error occured.
Received 3rd dose (un-needed) of Menveo
The patient developed epigastric and left upper quadrant pain that radiated to the back upon waking 3 days (26 OCT) after vaccination. She was evaluated by her team physician during hockey practice who ordered laboratories assessing for an etiology. Findings w…
Administered Abrysvo by accident. Should have administered beyfortus because patient is an infant. Called CDC. Parents informed of error. Patient not experiencing any adverse symptoms. Contacted CDC. No safety concerns but will need to be administered correct…
Prefilled pediatric/Adolescent dose (0.5 mL) administered instead of the adult dose of 1.0 mL. Pt has not reported any symptoms.
DTaP-IPV component of vaccine was administered without reconstituting the ActHIB portion of vaccine. No adverse event resulted - patient will need to return to receive missed HIB dose. Clinic will make parent/guardian aware of need for vaccine