Search and filter adverse-event reports.
1,929,324 reports(811 ms)
redness and swelling at injection site,
Post vaccination patient complained of severe pain around the injection site that limited his range of motion. Patient described his pain as "nerve pain". Stated the pain was getting better after less than 24 hours (9/22/25). Patient stated pain was almost com…
No symptoms or signs occurred during vaccine administration.
Woke up with strong muscle pain in low back. Took Tylenol through the day but pain persisted. The next day pain persisted and I had great difficulty walking and getting up and down. The third day, pain had lessened but now I feel like I have a pinched nerve in…
Misread age and gave adult dose to a 9 year old
High Fever, Muscle aches, Chills, Whole body pain, hallucinations, Trouble breathing (like asthmatic attack) for 3 days.
Uncontrollable shaking for hour (9 hours after shot), dizzy, ears pulsing, dizzy, headache, no appetite
Saturday 13 - Pain in the injection site and tiredness. Sunday 14 - Injection site redness and hot. Monday 15 - injection site redness and hot and itching. Tuesday 16 - Injection site was worst, woke-up during the night and felt dizzy during the morning.
Patient called the pharmacy to report a temperature of 102
Less than 24 hours after getting this vaccine, my period came more than a week early, around 10 days early. This RARELY happens (if it happened at all). I'm usually very regular for my whole adult life with only minor fluctuations of 1-2 days. This vaccine was…
Patient was given a 2nd dose of Prevnar 20, she received a dose on 2/16/2022 in a different state and this information was not available at the time of administration. No adverse reactions have been reported.
Patient felt lightheaded soon after vaccine within 15 minutes. He later had a headache at night and the next morning after vaccine.
Pt says he is experiencing muscle aches, neck and shoulder pain, stiff neck (cannot turn), and insomnia. He states the symptoms started the evening of the vaccine administration. He waited 5 days to report the symptoms to the pharmacist on the evening of 10…
pt had vasovagal syncope, pt was laid gently on the ground(she was previously sitting in a chair when it occured, after all vaccines were administered), she awoke with in seconds and jumped up, pt was clammy, and we had her sit back in the chair and put her he…
Patient received a second dose of Flucelvax on 10/3/2025 by mistake. The first dose was administered on 09/26/25.
NAUSEA AND HEADACHE
Patient was mistakenly given a second Flu dose. She came in for a COVID-19 vaccination, along with her husband who wanted both Flu and COVID-19 vaccinations. Fluzone HD was processed for the patient and our pharmacy received a paid claim for medical insurance,…
Swollen lymph nodes along jaw line
Broke out in itchy rash on arms, torso and legs
Approximately 48 hours after vaccine administration patient complained for red arm and swelling. About 5 hours after that patient indicated significant fatigue, followed by a wave of weakness and head pain.