Search and filter adverse-event reports.
1,929,324 reports(769 ms)
Patient reported significant fatigue, body aches and chills / body temperature elevation without fever
dizziness, malaise, double vision, redness/pain/warmth at injection site, and lightheadedness
Severe headache, chills, fever, nausea, pain in eyes
No adverse events reported and no treatment needed. (Pt got a dose of Men-ACYW and Men-ABCWY on the same day, and has not reported any side effects. We only discovered the clinical error in our audit this month.)
Patient felt a sharp pain that ran down her arm and felt dizzy and lightheaded
swollen TO THE RIGHT THIGH, REDNESS, WARM TO THE TOUCH AND PAINFUL AND PATIENT IS LIMPING
Patient received Bexsero injection to left deltoid on 4/28/2026. Reported pain and knot at injection site. Pharmacy follow up with pt on 5/12/26 "Pt reported knot in arm following vaccination 2 weeks ago. Pt states she has a knot at injection site. Was siz…
Approximately 2 minutes after last vaccine (HPV), mom came out of room- stated patient had a seizure. Further clarification- became pale, eyes rolled back, not aware of surroundings. Blood pressure was normal, clammy, pale. After about 1.5 minutes she became…
Around 5 minutes after vaccine administration patient was standing in from of the pharmacy cash register when she loss muscle tone and fell. She regained consiousness immediatly and she was instructed to remain laying down with her feet raised until she feels…
Fever - 102.1, treated with children?s Motrin, gone within 36 hours, redness at injection site - 2? diameter raised circle, warm to touch, gone with 24 hours, hard lump under skin at injection site - ongoing, mildly painful to touch, circular ?bullseye? rash…
Adult patient was given the peds dose HEP B. No adverse effects were noted.
No symptoms reported; Consumer called requesting a lot check for MMR II as she requested that her daughter receive MMR II today 4/28/2026 however, her chart says she received "Merck HEP A"; This spontaneous report was received from a consumer or other non heal…
headaches; face/cheek swelling; fatigue; nausea; dizziness; weakness; This Spontaneous report was received from 39 -year-old male patient reporting on himself. The patient's medical history included flu like symptoms after flu vaccinations in the past. The pat…
ophthalmic complaints; neuritis; This Spontaneous report was received from Physician via a company representative, and referred to a 14 -year-old Female patient. The patient's concurrent condition included fever from an "unknown origin" and was being followed…
Patient received the MMR vaccine on Thursday 3/5/26, she developed a rash on the back of her neck on Monday 3/9/26. It generalized over her body over the next several days. She reported it was very itchy. She told the school nurse at her employer and then cont…
Heart palpitations, preventricular contractions, severe anxiety, chronic fatigue syndrome, brain fog, dizziness, feeling off balance, weird burning sensations in feet. Im sure I'm forgeting some. It all started a few months after vaccination and is ongoing tod…
became pregnant within 2-4 weeks of vaccination w MMR
Sudden Cardiac arrest and Death
The physician received the CAPVAXIVE and reports that during administration, it "really burned and stung".; HCP reports also having some redness around the affected arm; he also felt like he had flu-like symptoms the next day; and also where the shot was admin…
left arm was red/ swollen/ and warm to the touch also said itchy so possible hypersensitivity reaction.