Search and filter adverse-event reports.
1,929,324 reports(780 ms)
Patient's arm is red, swollen, and itchy from the injection site down to almost her elbow. I observed this today, one week after her injection. She said the symptoms started on 12/17, the day after her vaccination. Today is 12/23 and she said her arm still…
Pt documented that they were given HIB but actually suspected to be given Hep B vaccine which was first ordered. MA documented HIb in chart but mother is certain Hep B given. Vaccine Hep B is missing in clinic to support cause. Pt due for Hep B and HIB
Patient was administered the vaccine, got really red, seemed like she was about to faint, and said that she felt like she could taste the vaccine. We gave her some water right away and she reported feeling better within a few minutes.
Left arm sore and swollen at injection site, body aches, fever, at least four days with chest pain radiating down left arm
Anaphylaxis. Started about an hour and 15 minutes after the vaccine. He went to swim practice and came home at 7:30 and said he was having trouble breathing, his neck and throat were itchy, and he felt like something was in his throat. He said it started ri…
Patient was supposed to receive the Flublok vaccine, and instead received his daughter's dose of Fluzone. Not really an adverse event but it was an administration error.
All of the usuall Long COVID symptoms allready listed
Pt was vaccinated out of CDC guidelines - pt got first prevnar 20 on 4/2/23 and immunization was not in state registry or on recent rx in profile - pt came in and asked for pneumonia vaccine and we immunized again 11/10/2025 = no adverse effects noted
Swelling and mild redness of skin L upper arm around injection side starting immediately after injection. No difficulty breathing or rash elsewhere.
34 hours post injection, I first noticed that the injection site was very red, hot and hard. It was measuring 4.75? wide by 2.5? tall. 12 hours later, it was 6.5? wide by 3.5? tall. My daughter didn?t have a temperature but the injection site measured 100 degr…
6/2023 extreme abdominal and back pain. Hospitalized with Portal vein thrombosis and mesenteric vein thrombosis. Consequences of thrombosis includes poor liver function and liver blood labs are abnormal. Ongoing care by hepatologist and hematologist. Future TI…
Right thigh has 2.5 x 1 inch red swollen welt founded by mom on 12/17/2025 in the a.m. Reported to doctor office on 12/17/2025 at 12:00pm advised to apply warm compress. Mom called 12/23/2025 that patient has a black and blue raised bump on thigh at 2:00pm. Mo…
No adverse event. Proquad given to patient over age of 12.
The provider I am working with ordered the (Pentacel Vaccine) DTAP/IPV/Hib. I pulled out of the fridge (Vaxelis) DTAP/IPV/HEP B/Hib. I had another nurse verify vaccines and also miss verifyed. I went to the room verified vaccines with mother. Stated it was all…
Patient's mom was informed. No symptoms or signs reported by parent. Event has been document / reported.
Initially triaged 10/29/25, reporting injection site red, tender, warm, and getting worse. Seen at UC 10/31/25 + Dx with Cellulitis. Treated with Sulfamethoxazole - Trimethoprim 800-160 mg BID. She did have reaction to treatment requiring additional UC visit 1…
Extreme swelling Left upper leg required ER visit and X Rays and Doppler blood flow studies completed on 2/22/2025
Patient contacted PCP office on 12/22/2025 informing us she had a bad localized skin reaction on the back of her left arm
could not chew/cannot eat sometimes; could not breathe; could not swallow; could not walk/could barely walk this summer; no sensation in legs/knees down to ankles he has no response; Light-headed; Anxiety; shaking so bad cannot hold utensils; quick temper; can…
Injection site scab; two-inch area of redness; injection site pain - left arm; left arm pain; open wound at injection site; Fatigue; Headache; Cannot use left arm; This non-serious case was reported by a consumer via call center representative and described th…