Age: 76.0
Sex: M
Vaccine: COVID19, COVID19
Symptoms: Dehydration, Pollakiuria, Vertigo, Weight, Weight decreased
Clinical narrative: She mentions that these symptoms have occurred before but she does not recall with which vaccine/have to go to the bathroom every 20 min; She mentions that these symptoms have occurred before but she does not recall with which vaccine/she lost 4 lbs overnight; She mentions that these symptoms have occurred before but she does not recall with which vaccine/Dehydration; She mentions that these symptoms have occurred before but she does not recall with which vaccine/sat down on the floor because the room started to go around; This spontaneous case was reported by a patient and describes the occurrence of POLLAKIURIA (She mentions that these symptoms have occurred before but she does not recall with which vaccine/have to go to the bathroom every 20 min), WEIGHT DECREASED (She mentions that these symptoms have occurred before but she does not recall with which vaccine/she lost 4 lbs overnight), DEHYDRATION (She mentions that these symptoms have occurred before but she does not recall with which vaccine/Dehydration) and VERTIGO (She mentions that these symptoms have occurred before but she does not recall with which vaccine/sat down on the floor because the room started to go around) in a 76-year-old male patient who received SPIKEVAX NOS (SPIKEVAX NOS) for COVID-19 prophylaxis.    Co-suspect product included non-company product Tozinameran (Pfizer BioNTech COVID-19 vaccine) for an unknown indication.    Concurrent medical conditions included Drug allergy (sulfa allergy).   In 2023, the patient received fifth dose of Tozinameran (Pfizer BioNTech COVID-19 vaccine) (unknown route) 1 dosage form. On an unknown date, the patient received first dose of SPIKEVAX NOS (SPIKEVAX NOS) (unknown route) 1 dosage form. On an unknown date, received second dose of SPIKEVAX NOS (SPIKEVAX NOS) (unknown route) dosage was changed to 1 dosage form, third dose of SPIKEVAX NOS (SPIKEVAX NOS) (unknown route) dosage was changed to 1 dosage form and fourth dose of SPIKEVAX NOS (SPIKEVAX NOS) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced POLLAKIURIA (She mentions that these symptoms have occurred before but she does not recall with which vaccine/have to go to the bathroom every 20 min), WEIGHT DECREASED (She mentions that these symptoms have occurred before but she does not recall with which vaccine/she lost 4 lbs overnight), DEHYDRATION (She mentions that these symptoms have occurred before but she does not recall with which vaccine/Dehydration) and VERTIGO (She mentions that these symptoms have occurred before but she does not recall with which vaccine/sat down on the floor because the room started to go around). At the time of the report, POLLAKIURIA (She mentions that these symptoms have occurred before but she does not recall with which vaccine/have to go to the bathroom every 20 min), WEIGHT DECREASED (She mentions that these symptoms have occurred before but she does not recall with which vaccine/she lost 4 lbs overnight), DEHYDRATION (She mentions that these symptoms have occurred before but she does not recall with which vaccine/Dehydration) and VERTIGO (She mentions that these symptoms have occurred before but she does not recall with which vaccine/sat down on the floor because the room started to go around) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Weight: Weight loss.         Patient did not receive any other vaccines in the 4 weeks prior to COVID-19 vaccine.  Concomitant product use was not provided by the reporter.  Patient had received 5 series of vaccination. All were Moderna except for one time in 2023 that it was Pfizer. She mentions that these symptoms have occurred before but she did not recall with which vaccine.  She usually gets a Gatorade to help with these symptoms.  Reporter causality was not reported.   This case was linked to MOD-2024-775578 (Patient Link).