Vomited; Gas; Bloating; Severe constipation; Feeling nauseous; Fever; chills; Body aches; Headache that got worse when I moved my head around; Appetite was less than half of what it usually was; I was barely able to finish half of my usual dinner meal/appetite is completely gone; Felt soreness in my arm; Sleeping was essentially impossible; Had to go to the bathroom (to urinate) around 8 times that night; This is a spontaneous report from a contactable consumer, the patient. A 22-year-old male patient received the second dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: UNKNOWN) via an unspecified route of administration in the left arm on 26May2021 at 09:30 (at the age of 22-year-old) as a single dose for COVID-19 immunisation. The patient did not have any allergies to food, medications, or other products. The patient did not receive any other medications within 2 weeks of vaccination. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Prior to the vaccination, the patient was not diagnosed with COVID-19. Since the vaccination, the patient had not been tested for COVID-19. The patient previously received the first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: UNKNOWN) via an unspecified route of administration in the left arm on 05May2021 at 09:45 (at the age of 22-year-old) as a single dose for COVID-19 immunisation. On 26May2021, after getting the shot at 09:30, the patient only felt soreness in arm. The patient took a nap around 04:30 and woke up around 08:00 with a fever/chills, body aches, and a headache that got worse when patient moved head around. Additionally, the patient's appetite was less than half of what it usually was; the patient was barely able to finish half of the usual dinner meal. On the day that patient got the vaccine, the patient had eaten eggs, bread, and meat pies. Sleeping was essentially impossible because, in addition to the severe discomfort from the aforementioned reactions, the patient had to go to the bathroom (to urinate) around 8 times that night. Around 05:00, the patient drank some water to rehydrate, and vomited within 10 seconds. Afterward, the patient gave up on sleeping and spent the rest of the morning awake. The next day on 27May2021, symptoms were down somewhat- but new symptoms of gas, bloating, and severe constipation arose. Additionally, the patient's appetite was completely gone, and patient could not eat more than tiny amounts of food without feeling nauseous. The events did not result in doctor or other healthcare professional office/clinic visit, and emergency room/department or urgent care. Therapeutic measures were taken as a result of the reported events  and included treatment with Tylenol on the first day and Advil on the second. The clinical outcome of the events felt soreness in arm, fever/chills, body aches, headache that got worse when patient moved head around, appetite was less than half of what it usually was; the patient was barely able to finish half of usual dinner meal, sleeping was essentially impossible, had to go to the bathroom (to urinate) around 8 times that night, vomited, gas, bloating, severe constipation, appetite is completely gone and feeling nauseous were not recovered at the time of this report.   The batch/lot numbers for, BNT162b2, were not provided and will be requested during follow up.