Search and filter adverse-event reports.
1,929,324 reports(750 ms)
shortness of breath dizziness extreme fatigue brain fog
Patient complained the next morning about a particularly sore arm (makes sense after 3 shots in the same arm), nausea, and dry heaves. Recommended hydration with Gatorade/Pedialyte, rest, and easy foods on the stomach (BRAT diet) for a couple of days, follow u…
Patient received a second Fluzone HD injection during the 2025-26 influenza season. The first Fluzone HD was given on 9/3/25 and the second Fluzone HD was given on 9/23/25.
Unstable Engerix-B after temperature excursion administration; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of incorrect storage of drug in a 54-year-old female patient who received DTPa (Reduce…
inappropriate use due to administration of IMOVAX Rabies and Kedrab immunoglobulin at the same site with no AE; Initial information received on 28-May-2026 regarding an unsolicited valid non-serious case received from a pharmacist. This case involves a patien…
12 hours after vaccine: Injection site reaction - Redness, swelling, heat, sensitivity. Resolved without medical intervention in 7-10 days
Possible extra dose due to patient may have already completed child / adolescent series
nausea; rash; dizziness; shortness of breath; This serious case was reported by a nurse via call center representative and described the occurrence of nausea in a 16-year-old patient who received Men ABCWY NVS (Penmenvy) suspension for injection in pre-filled…
Pt reports feeling dizzy after Men ACWY, Men B and HPV administration and started to vomit about 2 mins after injections. Pt diaphoretic and reports she is hot. Pt remained alert and oriented during entire visit. Syncope episode without injury noted. Wet towel…
Health began to deteriorate within weeks
2 hours after receiving YFV started to develop hives, which were larger on face and neck and much smaller on chest and back (all described by patient, she did not return to office as office was closed). Hives on chest and back were about 3mm, "like mosquito b…
NP informed me after this had happened. He stated that he meant to give a patient the TDAP but instead gave her the Pediatrix vaccine. I asked what had happened? Why did he administer the wrong vaccine? NP stated it was an oversite and his nurse was at lunch,…
Suspected vaccination Failure; vaccine gave me a mild case it was hell; This serious case was reported by a consumer via interactive digital media and described the occurrence of vaccination failure in a female patient who received Herpes zoster (Shingrix) for…
Arexvy expired dose administered; This non-serious case was reported by a other health professional via call center representative and described the occurrence of expired vaccine used in a 65-year-old female patient who received RSVPreF3 adjuvanted (Arexvy) su…
Rash, arm tenderness
Shortly after vaccine for 2 days small area of injection in left deltoid pink, itchy, a little swollen, and very sore. On 06/03/2026, which was one week after injection, noticed area of injection developed large area of redness 3 inches by 4 inches (8cm by 1…
Patient had pain and mild swelling in the vaccinated arm. The pt reports taking valacyclovir to help with pain and the issues resolved "within a couple of days." Pt reports a similar reaction with original Zoster vaccine.
Atrial Fibrilation; This 75-year-old male subject was enrolled in an open label study titled A phase 3b, randomized, open label, multi-country,multi-center, extension and crossover vaccination study to evaluate the immunogenicity and safety of different revacc…
Patient complained of left sided shoulder pain that persisted since 4/22/26. He also complained of difficulty sleeping with pain. Patient has been treated with voltaren gel, advil and tylenol.
Pt had swelling in arms, hands and face. treatment was benadryl for 2 days (self-medicated)