Search and filter adverse-event reports.
1,929,324 reports(821 ms)
that a patient received YF-VAX wherein the diluent that comes with the vaccine was not used and a different diluent was used with no reported adverse event; Initial information received on 22-Jan-2026 regarding an unsolicited valid non-serious case received fr…
PFIZER #1 5/19/2021 PFIZER #2 06/09/2021 VACCINE FAILURE WITH AT LEAST TWO EPISODES OF ACUTE COVID-19. INSIDIOUS DEVELOPMENT OF MRNA COVID-19 VACCINE INDUCED POTS. PROMPTED ONE ED VISIT. SAW MULTIPLE SPECIALISTS WITH EXTENSIVE WORK ON THE NON-MEDICAL PROTO…
1-24 Chest Pain, diagnosed as Chest Wall pain (Costochronditis) treat with IV + Dexaethasone, ketorolac 5:52pm-6:26pm
Paresthesia, allodynia, and dysautonomia that has persisted for 5 years (even today). Burning, tingling, cold spots, "zaps", warm liquid, internal vibrations (generalized/full body). Skin sensitivity to touch/clothing (generalized/full body). Presyncope.
Patient reports that a few days after receiving her shingles shot on 1/20 her upper arm developed a large, red, itchy, hot spot about the size of a softball. it was sore, which responded well to ice and rest. The redness is still present today, 1/25/26, but no…
Within 4 hours the pain in my left arm was so bad it made me cry. It radiated through out my shoulder to the elbow. Nothin alleviated it. I used ice and over the counter pain relievers. I proceeded to have constant pain to the present time effecting my day t…
Redness, swelling, pain, hot
PATIENT CLAIMED THAT SHE HAS HAD PAIN AND HAS BEEN UNABLE TO LIFT UP HER ARM ABOVE SHOULDER HEIGHT SINCE THE DAY AFTER RECEIVEING THE TWINRIX VACCINE. THE VACCINE WAS ADMINSTERED ON 11/29/2025 AND WAS REPORTED TO THE PHARMACY ON 01/20/2026. AT THE TIME OF RE…
weakness, shivering, night sweats, fever, chills, nausea, headache, and bloody urine.
Pain, cramps and swollen lymph nodes in inguinal area
I noticed arm was sore the day after receiving my shot. I am still having arm pain now 2.5 weeks later near the injection site. I experienced bleeding from the shot and the gauze of the bandaid placed was covered in blood when I removed it afterwards. I notice…
Patient noticed a red, swollen, tender, around 2 inch in diameter in size welt around 2 days after receiving her vaccinations. She presented to the pharmacy where she received these vaccines to ask about the reaction on day 12. She stated she had been alternat…
Muscle overgrowth in Palmaris Longus, Masseter, and Digastric muscles following a COVID-19 vaccine.
None at the time maybe felt a little tired. Stroke came later but the shot caused it.
1 day after, Pt developed headache, myalgias and chills
Severe muscle aches, moderate nausea, fatigue, chills, fever all developed overnight and into the morning
The adverse event was the pre-term birth of my twins. The twins' due date was XXXX. This was my first pregnancy and was the result of frozen embryo transfer. The RSV vaccine was administered XXXX; 7 days later on XXXX, my twins were delivered via emergency C-s…
patient experienced extreme soreness, inability to move arm upwards and pain radiating to the neck. she received 2 shots, one in a each arm. Her right arm is where she is experiencing side effects the other arm is completely fine.
fever, swollen lymph nodes, injection site reaction, body aches
I had an onset of intense itching about 3 days after the injection along a clear line from the left side of the base of my skull up along the back of my head over the crown. For a few days it extended over to my left temple and included pain in my left ear. Th…