Search and filter adverse-event reports.
1,929,324 reports(817 ms)
Redness at the site and area of injection
High blood pressure reported 178/89, heart racing, chest pain, and numbness in hands.
Initial: extreme body shaking, fever, and body aches for 24 hours. Then, hives all over body, face swelling, tongue swelling, requiring ER intervention numerous times in the proceeding 6-12 months. No history of histamine intolerance or allergies.
Patient developed a remarkable pattern skin rash. Patient stated she was itchy. Patient used ketoconazole for the rash. Almost 4 months later, she still has a rash after receiving mmr vaccine
hard knot, painful swelling.
Started noticing shortness of breath a few months after vax. Entered emergency room for testing 31 Oct 2021 to discover blot clotted lungs. Pulmonary Embolism / cardiac arrest 1 Nov 2021 which resulted in chronic congestive heart failure with 12percent LF ejec…
Within hours my child?s arm became swollen, painful, decreased range of motion, bruised, and had a rash. There was fear that he would need admitted to the hospital of the swelling didn?t resolve and possible need for surgery and close monitoring.
Neurological issues inability to drive vertigo and migranes
patient still complains of intermittent pain and numbness from arm down to hand post vaccine, seen on day 9 post vaccine
Age inappropriate vaccination discovered after in-store flu clinic when processing immunization in pharmacy system. Immunizing pharmacist believed patient to be 12 years old at the time of vaccination. No know symptoms or signs reported after vaccine was a…
Pulmonary embolism , deep vein thrombosis, multiple clots in legs and lungs
arthritis flare up again; first set for the lower spine, but then they have to look at the cervical spine, which is bad/ spine is a disaster; having neurological problems; heart condition and heart problems; This spontaneous case was reported by a consumer and…
ischemic stroke. Left side weakness
This patient received both Fluad and Comirnaty on 9/16/25. She reported to the pharmacy on 9/19/25 stating that she had hives on her neck, chest and arms that started within a day of receiving the vaccinations. It is unclear if the vaccines were the cause of t…
PVS: i know have Hashimotos (autoimmune) reactivated EBV (with mono symptoms), brain fog (that feels like dementia some days), chronic fatigue, and a spike protein count still in August 2025 of over 9000.
Patient got Fluzone HD but is under 65 years old with no indication for high dose vaccine.
Heart issues, weight gain, breathing problems!
Patient endorses that she received 2 IM injections in her left arm and one IM injection to her right arm. Patient states within a few hours she developed right arm pain with heaviness and weakness to the affected extremity. Patient endorses transient right le…
Tachycardia (201bpm) resolved after 12 months, Chest pain, numbness/tingling sensation in left arm 3 months, head aches (current symptom 2025 still), and a permanent allergy to PEG & Polysorbate 80 ingredients that now causes anaphylaxis (confirmed July 2025)…
Received Janssen (Johnson & Johnson) COVID-19 vaccine (Ad26.COV2.S). Soon after, developed chest pain/tightness, elevated heart rate, and a marked decline in running performance/exercise tolerance. Cardiology evaluation included EKG, exercise stress test, nucl…