Received Oct 30, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| COVID19 | COVID19 (COVID19 (MODERNA MNEXSPIKE)) | MODERNA | 1 | — | IM |
I have been experiencing really strong and random heart problems; confusion; Nausea; This spontaneous case was reported by a consumer and describes the occurrence of CARDIAC DISORDER (I have been experiencing really strong and random heart problems), CONFUSIONAL STATE (confusion) and NAUSEA (Nausea) in a male patient of an unknown age who received mRNA-1273.251 (Spikevax LP.8.1 PFS) for COVID-19 prophylaxis. The suspect product included Pre-filled Syringe injection for COVID-19 prophylaxis. Concurrent medical conditions included Long COVID. In October 2025, the patient received first dose of mRNA-1273.251 (Spikevax LP.8.1 PFS) (Intramuscular use) 1 dosage form. On an unknown date, the patient started Pre-filled Syringe (unknown route) at an unspecified dose. In October 2025, the patient experienced CARDIAC DISORDER (I have been experiencing really strong and random heart problems), CONFUSIONAL STATE (confusion) and NAUSEA (Nausea). At the time of the report, CARDIAC DISORDER (I have been experiencing really strong and random heart problems), CONFUSIONAL STATE (confusion) and NAUSEA (Nausea) had not resolved. The action taken with mRNA-1273.251 (Spikevax LP.8.1 PFS) (Intramuscular use) was unknown. No concomitant medication was reported. The patient got the very first COVID vaccine ever about 2 weeks ago, and it was the (SPIKEVAX 2025-26), which was the name that appears on the vaccine statement the day the patient got the vaccine. The patient had been experiencing really strong and random heart problems and nausea and confusion. The patient wanted to want to know when patient would start to feel better. It's been a few days, the patient felt like this. The patient wanted to get the first vaccine to build immunity. The main reason for this was that the patient had been experiencing LONG-COVID symptoms for a while now and decided it might be because the patient was never unvaccinated. The patient wanted to feel better and recover from a long COVID and never experience long COVID or any COVID ever again. It was unknown if the patient experienced any additional symptoms/events. No treatment medication was reported. The reporter causality was not reported.
Long COVID