VAERS Explorer

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A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

1,929,324 reports(808 ms)

#2862846Oct 2, 2025
Female·63 yrs·CA·COVID19

GAVE WRONG VACCINE - PT WANTED MADERNA

Wrong product administered
#2862847Oct 2, 2025
Male·16 yrs·TX·FLU3, MNP

SWELLING AROUND SITE 2 INCHES, EDEMA TO SITE, HOT TO TOUCH OVER SITE AND ERYTHEMYTOUS. TENDER. BENEDRYL 25 MG TAB PO Q 6-8 HOURS PRN RASH, AND AUGMENTIN 875 MG TAB, 1 TAB PO BID 10 DAYS.

Abdominal distensionInjection site erythemaInjection site oedemaInjection site painInjection site warmthRash
#2862848Oct 2, 2025
Female·30 yrs·ME·FLU3

I gave this patient the high dose Flu vaccine. Patient should have had the regular dose Flu vaccine . Patient was made aware of this and also any side effects she might have. No adverse reactions.

Incorrect dose administeredNo adverse event
#2862849Oct 2, 2025
Female·62 yrs·NH·FLU3

rash arms--treated with Bendryl cream. Prescription for steroids

Rash
#2862850Oct 2, 2025
Female·75 yrs·SC·PPV

Patient presented with swelling (fluid build up) in her elbow area

Joint swelling
#2862851Oct 2, 2025
SeriousHospitalized
Female·72 yrs·PA·COVID19

altered mental status 2 days after vaccine; became more sleepy and lethargic throughout day; not able to speak full sentences

Chest X-ray abnormalComputerised tomogram head normalLethargyLung opacityMental status changesPneumonia+5 more
#2862852Oct 2, 2025
Male·4 yrs·MO·DTAPIPV, MMRV

Right arm warm red 8 cm round area with bullous blistering around the edges.

BlisterDermatitis bullousErythemaSkin warm
#2862853Oct 2, 2025
Female·64 yrs·MS·COVID19

Patient started itching all over and eyes started watering and closing. Administered benadryl by oral route and monitored patient. They stated they felt fine after about 15 mins and went home.

Eye pruritusLacrimation increasedSwelling of eyelid
#2862854Oct 2, 2025
Male·70 yrs·FL·UNK

MILD INJECTION SITE SWELLING AND REDNESS. NO HIVES, NO ITCH, NO PAIN. HE JUST SAID WIFE NOTICED THE REDNESS. ADVISED COULD USE COLD COMPRESS TO HELP WITH SWELLING, NSAID/TYLENOL IF PAIN. PATIENT SAID NO PAIN, NO ITCHINESS, JUST THE REDNESS AND SWELLING. LET H…

Injection site erythemaInjection site swelling
#2862855Oct 2, 2025
Female·71 yrs·PA·COVID19, FLU3, RSV

Pt described pain in left arm since vaccination date. She felt this was from the RSV vaccine :hitting the bone" during injection, though pharmacy's records indicate RSV was administered in the right arm. The pain is felt close to the triceps about 6" below the…

Pain in extremity
#2862856Oct 2, 2025
SeriousHospitalized
Female·47 yrs·CO·FLU3

client complained of right site injection and a Headache. Client was observed for 20 minutes. She left the area and returned to her work area. She returned and stated she had taken aleve without any resolution in her headache. She was escorted to the ER for…

Headache
#2862857Oct 2, 2025
Female·57 yrs·TDAP

Pt states that they started to have tenderness and redness at injection sight one day after vaccination. Upon arrival to the clinic they were taken into an exam room and examined by a provider and nurse. Home care and ER precautions were given to pt.

Injection site erythemaInjection site pain
#2862858Oct 2, 2025
Female·11 yrs·AL·MENB

Patient was ordered a Menveo vaccine and was given Bexsero vaccine instead on accident.

Wrong product administered
#2862859Oct 2, 2025
Female·89 yrs·COVID19, FLU3

When billing for the Fluzone HD given on 9/30/25, insurance rejected saying refill too soon. Patient already had a dose on 9/3/25 at another facility.

Extra dose administered
#2862860Oct 2, 2025
Female·17 yrs·IN·MNQ

Patient was blind for 15 mins

Blindness transient
#2862861Oct 2, 2025
Female·82 yrs·MD·FLU3

approximately 7 hours after receiving her dose the patient experienced itching on her right upper arm near the injection site, later she noticed her arm was "very red , hot to the touch, swollen and itchy". She applied hydrocortisone (HC) cream and went to be…

Injection site erythemaInjection site pruritusInjection site swellingInjection site warmth
#2862862Oct 2, 2025
Male·0.2 yrs·TX·HIBV

N/A

Unevaluable event
#2862863Oct 2, 2025
Male·4 yrs·CA·DTAPIPV

Red tender lump 8cm diameter

ErythemaMassTenderness
#2862864Oct 2, 2025
Female·66 yrs·GA·FLU3

Warm and redness at the site of injection

Injection site erythemaInjection site warmth
#2862865Oct 2, 2025
Male·7 yrs·NE·FLU3

Patient received his flu vaccine on 9/30/2025 in his L thigh. He was quite limpy that night, more than he ever has been from any vaccine before. An unusual amount of soreness. Yesterday at recess he got hit by a basketball, more on his knee. His thigh is swoll…

Gait disturbanceInjection site erythemaInjection site swellingInjection site warmthPain
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