Got hot and feet and hands were perspiring/ felt really hot, heat surge went behind the caller's neck like coming from the inside like a heat surge; Got hot and feet and hands were perspiring/ hands and palms and bottoms of feet got sweaty; Had a head experience, extreme pressure; Was extremely hungry when the episode passed, was extremely hungry, starving; Feels very week and light headed; Feels very week and light headed; left leg was heavy; left arm got tingly; got scared; felt like she wanted to sleep, but was afraid to sleep; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient. A 61 year-old female patient received bnt162b2 (BNT162B2), administered in arm right, administration date 30Aug2021 13:00 (Lot number: FD8448 or FO8448) at the age of 61 years as dose 2, single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose number: 01, lot number: FA748 or PA7484, Expiration date: Unknown , Route of administration: right arm), administration date: 09Aug2021, when the patient was 61 years old, for COVID-19 immunization. The following information was reported: FEELING HOT (non-serious) with onset 30Aug2021, outcome "recovered with sequelae" (30Aug2021), described as "Got hot and feet and hands were perspiring/ felt really hot, heat surge went behind the caller's neck like coming from the inside like a heat surge"; HYPERHIDROSIS (non-serious) with onset 30Aug2021, outcome "recovered with sequelae" (30Aug2021), described as "Got hot and feet and hands were perspiring/ hands and palms and bottoms of feet got sweaty"; HEAD DISCOMFORT (non-serious) with onset 30Aug2021, outcome "unknown", described as "Had a head experience, extreme pressure"; HUNGER (non-serious) with onset 30Aug2021, outcome "unknown", described as "Was extremely hungry when the episode passed, was extremely hungry, starving"; ASTHENIA (non-serious), DIZZINESS (non-serious) all with onset 30Aug2021, outcome "recovering" and all described as "Feels very week and light headed"; LIMB DISCOMFORT (non-serious) with onset 30Aug2021, outcome "recovering", described as "left leg was heavy"; PARAESTHESIA (non-serious) with onset 30Aug2021, outcome "recovered" (30Aug2021), described as "left arm got tingly"; FEAR (non-serious) with onset 30Aug2021, outcome "unknown", described as "got scared"; SOMNIPHOBIA (non-serious) with onset 30Aug2021, outcome "unknown", described as "felt like she wanted to sleep, but was afraid to sleep". Therapeutic measures were taken as a result of limb discomfort.  Additional information: Reporter reporting that, she received the second dose Pfizer Covid 19 Vaccine today, 30Aug2021. The caller received the first dose Pfizer Covid 19 Vaccine 3 weeks ago and it went fine, without a hitch, the caller went shopping and nothing happened. The second dose Pfizer Covid 19 Vaccine was different. Got hot and feet and hands were perspiring: After the caller received the second dose Pfizer Covid 19 Vaccine, the caller got hot and feet and hands were perspiring. The caller felt really hot, heat surge went behind the caller's neck like coming from the inside like a heat surge. The caller's hands and palms and bottoms of feet got sweaty. Had a head experience, extreme pressure: The caller had a head experience, extreme pressure. The caller told the pharmacist and was instructed to bend head down to knees, which the caller did. Caller states she knows this was the technique to prevent from passing out. The caller states she was fine and not scared. The caller had no heart palpitations or anything like that. The caller stayed at the vaccine administering facility an extra 15 minutes, lingering. The caller was extremely hungry when the episode passed, was extremely hungry, starving. Feels very week and light headed: When the caller started walking, the experience felt concerned the caller. The caller feels very week and light headed. Was extremely hungry when the episode passed, was extremely hungry, starving: The caller went to (with held), a block away and got ice cream and was hungry and walked home. Caller came home and started to cook, had to eat potato salad and sit down. Caller felt out of sorts. The caller sat down. The caller's left leg was heavy. Left arm got tingly: The caller's left arm got tingly. The caller states she knows what this means, the caller got scared, took an Aspirin just as a safety and sat down to see if would pass. It passed. The caller continued to make something to eat. Caller felt like she wanted to sleep, but was afraid to sleep. Caller was sitting down again, Aspirin was kicking in and the caller's arm was not tingling, left arm. Left leg was heavy: The caller's left leg was still a little heavy. Caller states she has never been to the hospital for anything like that, not for stroke and not for heart attack, never. Caller states the feeling comes and goes of leg being heavy. Got hot and feet and hands were perspiring: Caller states this went away. When it occurred, it came in waves, two waves in the beginning. The caller states she recovered with lasting effects. Had a head experience, extreme pressure: When asked if recovered completely or with lasting effects, caller states it went away. Extremely hungry when that episode passed, extremely hungry, starving: When asked if ongoing or went away, caller states she ate so this went away. Feels very weak and light headed: This is ongoing but he caller is feeling better, the third wave of this. Wouldn't go away, kept occurring off and on. Left leg was heavy: This was not as bad but was still there. left arm got tingly: Caller states she recovered completely from this. Feels very weak and light headed: The caller states she was now able to walk and does not feel shaky. The caller states the feeling comes and goes and the caller received the second dose Pfizer Covid 19 Vaccine today at 1300 and was being careful and monitoring. No additional vaccines was administered on same date of the Pfizer Suspect. Patient's AEs did not require a visit to emergency room and physician office. No other vaccinations within four weeks prior to the first administration date of the suspect vaccine. Feels very weak and light headed: The caller states she has full cognitive ability and was at full strength now. The caller was up walking and feels good. Leg was still heavy, does not feel light headed anymore, that was going away. If the light headedness does come back caller would be okay, comes and goes. The caller states she feels so much better. The caller was scared and maybe that had something to do with it and the waves made the caller feel afraid. Caller states her left leg was heavy and the left arm got tingly after receiving the second dose Pfizer Covid 19 Vaccine. The caller took one generic Aspirin and states the leg was still heavy. Product strength and count size dispensed: 325mg. Packaging sealed and intact.  This follow-up is being submitted to notify that the lot/batch number is not available despite the follow-up attempts made. Follow-up attempts completed. No further information is expected.