Upset stomach; loose bowel movements; Dry heaves; could not sleep at all because all night he was sick; could not sleep at all because all night he was sick; This is a spontaneous report from a contactable consumer or other non-healthcare professional (patient). A 74-year-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot Number: EL9269), dose 1 via an unspecified route of administration, administered in right arm on 12Feb2021 at 10:55 (at the age of 74-year-old) as dose 1, single for COVID-19 immunisation. Medical history included lung neoplasm malignant from 2018 to an unknown date, herpes zoster from Dec2019 and ongoing, musculoskeletal discomfort from an unknown date and unknown if ongoing he has a bad left shoulder, its arthritic, chronic obstructive pulmonary disease from an unknown date and unknown if ongoing Minor COPD. He had lung cancer that started in 2018, it is gone, and he had it treated. Last year there was a nodule but that has not grown at all. He gets a CT scans every 3 months to check this. He had Shingles 2019 Christmas Eve, 24Dec2019, and that is still ongoing. Investigation assessment was reported as yes. he has a bad left shoulder, its arthritic, he was supposed to go see doctor on this Thursday to find out if he will be having an operation on it for a shoulder surgery replacement, but in their state, it is now locked down, with ice or snow. There were no concomitant medications. His Last vaccine was the flu vaccine at either end of Oct2020 or beginning of Nov2020. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. The patient did not receive any other vaccines on same day. The patient did not diagnose with COVID-19 prior to vaccination. On 13Feb2021, the patient experienced upset stomach, loose bowel movements, dry heaves and could not sleep at all because all night he was sick. He has not had to make any appointment with a doctor or go to the ER for his symptoms. It was reported that he was calling about the covid vaccine. He thinks he had a reaction. He had vaccine first dose on 12Feb2021, had the Pfizer Lot# EL9269. On Saturday, after the vaccine he was fine, till Saturday evening his stomach started to bother him, then Saturday night into Sunday he could not sleep at all because all night he was sick, he had loose bowels, he was dry heaving because nothing was in his stomach, he ate a little oatmeal, had none of the pills, he had bread and jelly in the afternoon, basically then Monday he had a soft-boiled egg chicken, mash potatoes. Today he feels like nothing ever even happened. He Confirms First Dose 12Feb2021 at 10:55 Friday. Then Saturday 13Feb2021 his stomach started bothering him, then the night of 13Feb2021 going into the 14Feb2021 He started to experience the loose Bowel movements and dry heaving causing him to not sleep that night. On 14Feb2021 he ate a little and did not have his pills, he still had the loose bowel movements, and his stomach was still upset. He clarifies that this continued into Monday 15Feb2021, he still had effects that day. The patient underwent lab tests and procedures which included computerised tomogram: unknown results. He was scheduled for the second dose on 05Mar2021. The outcome of the events upset stomach and loose bowel movements was reported as resolved on 15Feb2021 and the other event dry heaves was resolved on 14Feb2021 and outcome of the other events was reported as unknown.  Follow-up attempts are completed. No further information is expected.