Search and filter adverse-event reports.
1,929,324 reports(777 ms)
Rash and Fever
RN administered vaccine through IV line by mistake, immediately notice wrong medication was administered and made the Attending aware. Poision control was notified, patient was monitored for 3 hours following the administration and showed no signs of adverse…
On 1/30/26-patient reported that she experience diarrhea and sore arm at injection site 2 weeks after receiving vaccines on 12/27/2025
Patient noted that she has consistent elavated blood pressure readings which her doctor said is related to the last covid vaccine she received September 2024.
Patient developed a fever, nasal congestion, and complained of fatigue 1/31/26- she was tested for covid, flu A/B and was found to be positive for Flu B
Diarrhea 3+ hours
Patient reported having symptoms of SIRVA (pain at the injection site, shoulder blade, neck, left upper arm to elbow, armpit, and left breast. For treatment; patient is seeing healthcare professional on 2/6/2026.
Pt appeared to have no adverse reaction. Pt requested flu shot and thought she didn't receive it this year. However, after vaccine was administered upon printing info for pt from profile, found that Pt received this vaccine on 9/26/2025. This was an additional…
Slight fever, nausea, restlessness
Swelling, redness, warmth with nodule formation at site of injection. Initial discomfort & malaise developed 1/22 (same day as injection). Patient seen by this RN on 1/26/26 regarding continued discomfort, warmth & nodule formation at injection site. Patient s…
Tdap administered instead of DTaP. Patient then received DTaP.
Arthus reaction with erythematous area measuring 2"x1". No fevers, no pain. No treatment needed other that tylenol and cool packs for swelling.
Patient stated she felt lightheaded, nauseous and hot within the first 5 seconds after administering the MMR vaccine
Vaccine was given to wrong patient. On camera, the person who received the vaccine was not the patient.
Patient was seen by Dr on 02/02/2026 for a 7 yr well child check. vaccines were not available on database. mom brought vaccine record with her a copy was given to medical assistant. vaccines were added to the patient vaccine record 2 vaccines were mistaking ad…
NONE
NONE
Vaccine coordinator completing vaccine count prior to ordering on 1/27/2026. Noticed Covid Moderna Spikevax 6month-11 year vaccine pulled from refrigerator to thaw on 10/16/2025. Vaccine expires 60 days post thawing which would be on 12/15/2025. Both dates lab…
The patient presented to the clinic for administration of the MCV4P vaccine but was inadvertently administered a diluent instead. This error was identified during a routine inventory audit. A review of inventory records indicated that this patient was the most…
Redness and discomfort below injection site. Lasted 2 weeks