headache; vomiting; upset stomach; diarrhea; booster dose; primary series of the vaccine with the J&J vaccine; primary series of the vaccine with the J&J vaccine; Felt sore; sluggish; tired; She had very little appetite.; nausea; 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 35 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 11Nov2021 11:20 (Lot number: FF2590) at the age of 35 years as dose number unknown (booster), single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Johnson and johnson vaccine (Dose: 01, Vaccine Name: Johnson and  Johnson, Lot Number / Expiry Date: 1808978 expires 13Jun2021, Route, Anatomical Location: Unknown), administration date: 23Mar2021, for Covid-19 Immunization; Covid-19 vaccine, for covid-19 immunisation. The following information was reported: IMMUNISATION (non-serious) with onset 11Nov2021 11:20, outcome "unknown", described as "booster dose"; OFF LABEL USE (non-serious), INTERCHANGE OF VACCINE PRODUCTS (non-serious) all with onset 11Nov2021, outcome "unknown" and all described as "primary series of the vaccine with the J&J vaccine"; PAIN (non-serious) with onset 11Nov2021, outcome "not recovered", described as "Felt sore"; SLUGGISHNESS (non-serious) with onset 11Nov2021, outcome "not recovered", described as "sluggish"; FATIGUE (non-serious) with onset 11Nov2021, outcome "not recovered", described as "tired"; ABDOMINAL DISCOMFORT (non-serious) with onset 12Nov2021, outcome "not recovered", described as "upset stomach"; DIARRHOEA (non-serious) with onset 12Nov2021, outcome "not recovered", described as "diarrhea"; VOMITING (non-serious) with onset 12Nov2021 11:45, outcome "recovering", described as "vomiting"; HEADACHE (non-serious) with onset 16Nov2021 06:00, outcome "recovering", described as "headache"; DECREASED APPETITE (non-serious) with onset Nov2021, outcome "unknown", described as "She had very little appetite."; NAUSEA (non-serious) with onset Nov2021, outcome "unknown", described as "nausea".  Additional information: It was reported that the Pfizer COVID vaccine booster dose on 11Nov2021. Caller stated she is having symptoms and wants to know if they are normal or commonly reported? Caller states she has felt sore, sluggish, tired, upset stomach and diarrhea, vomiting but that has improved but the others have not and a headache that is improving. DSU agent also states that the caller received her primary series of the vaccine with the J&J vaccine on 23Mar2021. After delivering response regarding common side effects caller would like to know if her symptoms should be still be persisting at this point. Caller states she feels like she can't get it together and she just wanted to do her part by getting vaccinated to protect herself and others. Caller states she just felt awful and was curious to know if she was the only one experiencing this. According to PI for Pfizer COVID vaccine adult formulation booster dose Section 6.1 Clinical Trials Experience able 8: Study 2- Frequency and Percentages of Participants With Solicited Systemic Reactions, by Maximum Severity, Within 7 Days After the Booster Dose of Pfizer-BioNTech COVID-19 Vaccine- Participants 18 through 55 Years of Age. Informed caller that fatigue, headache, diarrhea, vomiting, muscle pain and joint pain are all listed in the table as reactions that have been reported within 7 day following the booster dose. She was having some side effects and would like to report to see if it is common. She did not wish to provide her address, email or primary care provider's information. She started by feeling sore and kind of sluggish and tired. That started on day of vaccine, in the evening of 11Nov2021. She does not feel sore now, but does feel tired and sluggish. The next morning, she had an upset stomach and diarrhea. She then went to work, and at 11:45, she vomited and was sent home from work. She is not vomiting but still has the other symptoms. She still has feeling of nausea, but has not vomited. She has had a headache, but it is improved. The diarrhea has persisted. She does not know what is normal and what is not. She had a doctor's appointment tomorrow to follow up. When asked if the injection was in the muscle, she does remember something about the person giving it saying something regarding a muscle twitch. She had Johnson and Johnson the first time. She does not think anyone can come near her with the Pfizer again. Upset stomach and diarrhea- morning. Her stomach did not feel right and she told her husband it felt weird, vomited- 11:45 am. She had very little appetite, headache- When she woke up around 06:00. patient did not went to emergency room and physician room, not hospitalized due to the events. patient did not receive any other vaccines within 4 weeks prior the vaccination. patient did not have history of diagnosed allergies, compromised immune status, respiratory illness, genetic/chromosomal abnormalities, endocrine abnormalities (including diabetes) and obesity. patient did not undergone relevant diagnostic and confirmatory test results for event(s), for example, from blood tests, cerebro-spinal fluid culture, pleural fluid culture, urine culture, diagnostic imaging, (e.g., chest X-ray, MRI). She just needs to know she is not falling apart and this is normal. She was on the verge of being emotional about it.  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.