Prostate issue; Blood pressure medicine; Blood pressure medicine; I took flu shot in the morning and the COVID shot in the afternoon; he got the flu shot and the Pfizer COVID-19 booster shot and he had been sick; massive headache; upset stomach; stomach cramps; diarrhoea; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 68-year-old male patient received bnt162b2 omi xbb.1.5 (COMIRNATY (2023-2024 FORMULA)), on 21Sep2023 as dose number unknown (booster), single (Batch/Lot number: unknown) at the age of 68 years intramuscular, in left arm for covid-19 immunisation; influenza vaccine (INFLUENZA VACCINE), on 21Sep2023 as dose number unknown, single (Batch/Lot number: unknown), in right arm for immunisation. The patient's relevant medical history included: "Seizures" (unspecified if ongoing); "Nerve pain" (unspecified if ongoing); "Allergy" (unspecified if ongoing); "COVID", start date: 2020 (unspecified if ongoing); "migraine" (unspecified if ongoing); "I had 5 discs replaced in my back", start date: 2021 (unspecified if ongoing); "Blood pressure" (unspecified if ongoing), notes: off of blood pressure medicine right no, had not had to take it for years. Concomitant medication(s) included: GABAPENTIN taken for seizure, neuralgia; BENADRYL taken for hypersensitivity; GUAIFENESIN taken for hypersensitivity; AREDS taken for eye disorder; TAMSULOSIN; FINASTERIDE; TRAMADOL. Vaccination history included: Covid-19 vaccine (Primary Immunization series complete; unknown manufacturer), for COVID-19 immunization. The following information was reported: DIARRHOEA (non-serious) with onset Sep2023, outcome "unknown"; ILLNESS (non-serious) with onset Sep2023, outcome "unknown", described as "he got the flu shot and the Pfizer COVID-19 booster shot and he had been sick"; HEADACHE (non-serious) with onset Sep2023, outcome "unknown", described as "massive headache"; ABDOMINAL PAIN UPPER (non-serious) with onset Sep2023, outcome "unknown", described as "stomach cramps"; ABDOMINAL DISCOMFORT (non-serious) with onset Sep2023, outcome "unknown", described as "upset stomach"; PRODUCT USE ISSUE (non-serious) with onset 21Sep2023, outcome "unknown", described as "I took flu shot in the morning and the COVID shot in the afternoon"; PROSTATIC DISORDER (non-serious), outcome "unknown", described as "Prostate issue"; BLOOD PRESSURE ABNORMAL (non-serious), DISEASE RECURRENCE (non-serious), outcome "unknown" and all described as "Blood pressure medicine". Therapeutic measures were taken as a result of headache. Additional information: COVID-19 Vaccine was received on 21Sep2023, took flu shot in the morning and the COVID shot in the afternoon. The consumer stated, "Thursday, I got the Flu shot (Unspecified Flu shot) and the Pfizer COVID Booster and I have been sick ever since, massive headache, upset stomach and diarrhea" "The headache, I have migraine I mean I had migraine before and I am taking the migraine headache medicine but it is not helping with the headache." Name of the medicine, consumer stated Tylenol migraine headache medicine, one a day. Consumer stated, "I had Prostate issue. I am going to heart Doctor Thursday. He is probably put me back on Blood pressure medicine, I am off of it right now. I had not had to take it for years (further not clarified)."   The information on the batch/lot number for bnt162b2 omi xbb.1.5 has been requested and will be submitted if and when received.