having oversensitivity to smells and tastes and still has a minimal appetite.; having oversensitivity to smells and tastes and still has a minimal appetite.; vomiting; diarrhea; extreme heartburn; chills; having oversensitivity to smells and tastes and still has a minimal appetite.; lots of foods make her nauseous and smells are nauseating; fatigue; lost some weight; experienced feeling, extremely hot; 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 52 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 22Apr2021 16:00 (Lot number: EW0170) at the age of 52 years as dose 1, single for covid-19 immunisation. Relevant medical history included: "Severe stomach pains" (unspecified if ongoing), notes: Onset Age: Caller states 25-30 years ago. The patient's concomitant medications were not reported. The following information was reported: FEELING HOT (non-serious) with onset 22Apr2021, outcome "recovered" (23Apr2021), described as "experienced feeling, extremely hot"; CHILLS (non-serious) with onset 23Apr2021, outcome "recovered" (24Apr2021), described as "chills"; VOMITING (non-serious) with onset 24Apr2021, outcome "recovered" (01May2021), described as "vomiting"; DIARRHOEA (non-serious) with onset 24Apr2021, outcome "recovered" (01May2021), described as "diarrhea"; DYSPEPSIA (non-serious) with onset 24Apr2021, outcome "not recovered", described as "extreme heartburn"; TASTE DISORDER (non-serious), PAROSMIA (non-serious) all with onset 01May2021, outcome "not recovered" and all described as "having oversensitivity to smells and tastes and still has a minimal appetite."; DECREASED APPETITE (non-serious) with onset 23Apr2021, outcome "not recovered", described as "having oversensitivity to smells and tastes and still has a minimal appetite."; NAUSEA (non-serious) with onset 23Apr2021, outcome "not recovered", described as "lots of foods make her nauseous and smells are nauseating"; FATIGUE (non-serious) with onset 22Apr2021, outcome "recovered" (01May2021), described as "fatigue"; WEIGHT DECREASED (non-serious) with onset 22Apr2021, outcome "recovered with sequelae" (May2021), described as "lost some weight".  Additional information: History of all previous immunizations with the Pfizer vaccine considered as suspect: No caller verifies it was her first dose. Additional Vaccines administered on same date of the Pfizer suspect: No. Prior vaccinations within 4 weeks, patients medical history, Family medical history, relevant tests, patient medical history and investigation assessment was reported as no. AE(s) following prior vaccinations: Caller states along time ago, 25 years maybe, 30 years, she had a vaccine back in Poland and she had severe stomach pains. Caller states she doesn't remember what vaccine it was but it was just like that back then so she didn't think she would have any reaction at this moment. Caller states she's not sure what vaccine it was, she would have to look through the papers, it was so long ago.Consumer asking, She had a side effect after the first dose of the vaccine. Should she get the second dose. Response received included As noted in the Fact Sheet for Recipients, you should not get the Pfizer-BioNTech COVID-19 Vaccine if you had a severe allergic reaction after a previous dose of the vaccine or if you had a severe allergic reaction to any ingredient of the vaccine. The decision to receive the second dose for any other reason cannot be made by Pfizer. We refer you to speak to your healthcare provider about the risks of the vaccine compared to the risks of potentially not being fully protected against COVID-19 infection. Your healthcare provider knows your health situation and has access to information that can better help inform this decision. Consumer asking how long her symptoms will last. Caller reports that she received her first vaccine dose and during the first week she experienced feeling, extremely hot, then the next day she had chills, she reports having vomiting and diarrhea and extreme heartburn. Caller reports that her heartburn was so bad the many times she vomited because of it. Caller reports that her really bad symptoms were now resolved but she was still having oversensitivity to smells and tastes and still has a minimal appetite. She reports that lots of foods make her nauseous and smells are nauseating. Caller asks, how long was this expected to last. Consumer asking if it was normal for someone to have symptoms after their first dose or were they only expected after the second dose. Prescribing Healthcare Professional: Caller states she has no primary care doctor, not at this moment. Caller states the first week, she thought it would just go away. Caller states she also had fatigue and because of the vomiting and diarrhea so she thought it will be just a few days and it will go away and the vomiting diarrhoea stopped after a week and then the extreme heartburn. Caller states now she was experiencing over sensitized to smell and taste. Vomiting; diarrhea: Caller verifies she received her first dose on 22 APR 2021, Thursday. Caller states maybe two days, late Friday or Saturday, she thinks, Saturday, she woke up and she had to vomit and had diarrhea. Caller states right after she received the first dose, two hours after, she started feeling extremely hot, not sure if she had temperature and that went for 24 hours. Caller states then the next 24 hours, she would get a lot of chills. Caller states then, when those symptoms stopped, she started having vomiting and diarrhea, which stopped after a week. Heartburn; Vomiting; Nausea: Caller states she's never had any heart burn in her life and this was so extreme that she felt it as it was coming into her throat. Caller states a few times because of that acid, she had to vomit. Caller states after feeling hot and then having chills, she started to feel the extreme heart burn. Caller states it wasn't just a little bit, she felt burning in her entire stomach. Caller states she thought that those symptoms were normal and she thought it will go away in a day or two but in two days it would be two weeks after the first dose and she's just not sure if she should go for the second because of those symptoms, was it safe to. Caller states she started her diet, she had to cut down on a lot of food, she just had a very plain diet and it stopped eventually. Caller states her heartburn was about 20% but she feels everyday that it's better and better. Caller states she realized that the nausea was related to being over sensitized for smell and taste and she's never experienced that before. Caller states the nausea she has just learned how to deal with it now. Fatigue: Caller states she has been having that since the evening of the first dose. Caller states fatigue ended about a week after beginning. Lost appetite: Caller states she was trying her best to eat although her appetite has not been great, but she was forcing herself to eat. Lost weight: Caller states she thinks it has stopped, she lost about 6 pounds and right now, she thinks she was not losing anymore. Caller states a few days ago she thinks it stopped. Caller asks does Pfizer university think this was like an allergic reaction to that or if it was normal. Caller states she's been waiting for all the symptoms to go away and her daughter told her today that maybe she should call Pfizer and just ask was it normal and just see what's going on. Caller states her husband knows that she's not feeling very well. Adverse events did not result in Emergency or physician office visit.   No follow-up attempts are possible. No further information is expected.