Search and filter adverse-event reports.
1,929,324 reports(756 ms)
Kinrix given instead of pediarix
Patient received Hib #3 & flu #2. Was well appearing at the time of visit. Mother reports that patient developed postprandial vomiting within 1 hours of receiving the vaccine. Mother attempted to breastfeed 5 time throughout the day which was immediately follo…
Red rash and itching arms and neck. Patient sent to ED for treatment.
Pre-syncopal episode requiring an ER visit. He developed a sudden onset of dyspnea and weakness, requiring him to sit down. He felt woozy, slight headache, couldn't do his singing performance. He was lightheaded. EMTs were called. He was found to have a l…
Immediately after DTAP injection, my baby turned extremely cyanotic and her whole body was blue, followed by extreme pallor/paleness. The doctor suspected vasovagal syncope. I am not so sure. She remained pale for about three hours before her color returned.
Patient reported prior to vaccine administration that increased anxiety is experienced when receiving vaccines. Thus, extra time and concern were taken to ensure patient was comfortable, safe, and unhurried. Shortly after administering the vaccine, patient des…
Patient felt metal taste, severe headache, shortness of breath, arm pain
Redness, heat and swelling that "comes and goes".
1/16 got Flu Tri PF vaccine, Meningitus vaccine MenQuadfi ACWY 1/17 started feeling sick. Symptoms included headache with light sensitivity, chills, body aches, and a fever over 103°F. 1/18 too sick to work. 1/19 holiday. fever over 103°F. 1/20 too sick to go…
Patient received duplicate TDaP vaccine after receiving TDaP in August 2025
Stroke, clot to brain affecting patient's right side of the brain. Irreversible damage. 2nd stroke, again affecting patient's brain. Irreversible damage. Suffers from injury effects.
patient received vaccine with mother present. they then left the vaccine room and joined the line in the pharmacy lobby for other pharmacy business. The patient then fell while in line (presumably fainted) and hit his head. Emergency services were called, they…
Patient received vaccine 1/14/26, but called pharmacy on 1/22/26 to report redness and swelling around injection site and down majority of left arm. Patient reported not seeking treatment for reaction.
infant experienced a brief unexplained event (BRUE); Initial information received on 22-Jan-2026 regarding an unsolicited valid non-serious case received from a other health professional. This case involves a 4 months old female patient who experienced a brie…
urticaria and/or angioedema; urticaria and/or angioedema; This literature-non-study case was reported in a literature article and describes the occurrence of ANGIOEDEMA (urticaria and/or angioedema) in a patient of an unknown age and gender who received mRNA-1…
urticaria and/or angioedema; urticaria and/or angioedema; This literature-non-study case was reported in a literature article and describes the occurrence of ANGIOEDEMA (urticaria and/or angioedema) in a patient of an unknown age and gender who received mRNA-1…
urticaria and/or angioedema; urticaria and/or angioedema; This literature-non-study case was reported in a literature article and describes the occurrence of ANGIOEDEMA (urticaria and/or angioedema) in a patient of an unknown age and gender who received mRNA-1…
urticaria and/or angioedema; urticaria and/or angioedema; This literature-non-study case was reported in a literature article and describes the occurrence of ANGIOEDEMA (urticaria and/or angioedema) in a patient of an unknown age and gender who received mRNA-1…
Reported Symptoms: 10002218:ANAPHYLAXIS; Narrative: Anaphylaxis Other Relevant HX: Other: ANAPHYLAXIS
Reported Symptoms: 10019203:HEART RATE IRREGULAR; Narrative: a 31yo male with PMH of Chronic Eczema of External Auditory Canal, Tonsillar enlargement, Chronic Back Pain and Overactive Bladder. The patient presented to the facility on October 2, 2025 for a sche…