Really nauseous; Kind of hard to swallow; forgetfulness; Confusion; really tired; Anxiety; Feel like all over real crappy; Dizzy spells; Stomach upset; Hot and cold sweats/having chills, then burning up and sweating.; chills; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 38 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 09Mar2021 12:00 (Lot number: EN6206) at the age of 38 years as dose 1, single and administered in arm left, administration date 05Apr2021 08:30 (Lot number: EP7533) as dose 2, single for covid-19 immunisation. Relevant medical history included: "Fibromyalgia" (ongoing); "Seasonal allergies" (ongoing). The patient's concomitant medications were not reported. The following information was reported: NAUSEA (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Really nauseous"; DYSPHAGIA (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Kind of hard to swallow"; MEMORY IMPAIRMENT (non-serious) with onset 09Mar2021, outcome "unknown", described as "forgetfulness"; CONFUSIONAL STATE (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Confusion"; FATIGUE (non-serious) with onset 09Mar2021, outcome "not recovered", described as "really tired"; ANXIETY (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Anxiety"; FEELING ABNORMAL (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Feel like all over real crappy"; DIZZINESS (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Dizzy spells"; ABDOMINAL DISCOMFORT (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Stomach upset"; HYPERHIDROSIS (non-serious) with onset 09Mar2021, outcome "not recovered", described as "Hot and cold sweats/having chills, then burning up and sweating."; CHILLS (non-serious) with onset 09Mar2021, outcome "unknown", described as "chills".  Additional information: This female consumer reports she received the first injection of the Pfizer covid-19 vaccine on 09Mar2021 and experienced nausea, difficulty swallowing, chills, sweating, confusion, forgetfulness, and upset stomach. She reports these side effects improved over time but never really went completely away before she received the second injection of the Pfizer covid-19 vaccine on 05Apr2021. After the second injection, she again experienced nausea, difficulty swallowing, chills, sweating, confusion, forgetfulness, and upset stomach. All these side effects were worse compared to the first injection and have continued to worsen since receiving the second injection of the Pfizer covid-19 vaccine. Further, She clarified the side effects she was experiencing as including: Really nauseous to the point that it is kind of hard to swallow; Hot and cold sweats; a lot of confusion; really, really tired; anxiety; feel like all over real crappy; dizzy spells; and stomach upset. All of these events started on 09Mar2021 after she was administered her first dose of Pfizer-BioNTech COVID-19 Vaccine; and all worsened after she was administered the second dose of Pfizer-BioNTech COVID-19 Vaccine.  No follow-up attempts are possible. No further information is expected.