heart started to beat fast; heart palpitations; heart started to beat fast; aches in her arms and legs; aches in her arms and legs; Diarrhea; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient. Other Case identifier(s): US-PFIZER INC-202101225651 (Pfizer).  A 77-year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 15Sep2021 13:30 (Lot number: EW0185) at the age of 77 years as dose 1, single for COVID-19 immunization. Relevant medical history included: "sensitivity to earth quakes or any natural disaster" (unspecified if ongoing), notes: sensitivity to earth quakes or any natural disaster and it effects her body; "severe heart palpitations" (unspecified if ongoing), notes: her sensitivity causes her to have heart palpitations, diarrhea and throwing up; "throwing up" (unspecified if ongoing), notes: her sensitivity causes her to have heart palpitations, diarrhea and throwing up; "diarrhea" (unspecified if ongoing), notes: her sensitivity causes her to have heart palpitations, diarrhea and throwing up; "allergies to very strong antibiotics" (unspecified if ongoing), notes: Allergies to very strong antibiotics. Two antibiotics that are the worst Keflex and the other is Azithromycin; "she had a hip replacement" (unspecified if ongoing); "She was taking pain medications and she was so sensitive to it" (unspecified if ongoing), notes: She was taking pain medications, and she was so sensitive to it. There were no concomitant medications. Past drug history included: Keflex, reaction(s): "allergies to very strong antibiotics"; Azithromycin, reaction(s): "allergies to very strong antibiotics". The following information was reported: PAIN IN EXTREMITY (non-serious), PAIN IN EXTREMITY (non-serious) all with onset 16Sep2021 02:30, outcome "recovered" (16Sep2021 04:00) and all described as "aches in her arms and legs"; DIARRHOEA (non-serious) with onset 16Sep2021, outcome "recovering", described as "Diarrhea"; PALPITATIONS (non-serious) with onset 17Sep2021 11:00, outcome "unknown", described as "heart started to beat fast; heart palpitations"; HEART RATE INCREASED (non-serious) with onset 17Sep2021 11:00, outcome "unknown", described as "heart started to beat fast". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of pain in extremity, pain in extremity, palpitations, heart rate increased.  Additional Information: Patient History and other products were not provided. Patient's Medical History (including any illness at time of vaccination): Provide other relevant medical history including but not limited to these conditions: diagnosed allergies, compromised immune status, respiratory illness, genetic/chromosomal abnormalities, endocrine abnormalities (including diabetes) and obesity: allergies to very strong antibiotics. Two antibiotics that are the worst Keflex and the other is Azithromycin. She doesn't have the NDC/lot/expiration. Whenever she has to take antibiotics, she has to be very Careful about what she takes. The other problem she has a sensitivity to strong pain medications because she had a hip replacement years ago that didn't go very well. It was a very low implant in her leg. It was her right leg. She had issues with it for years. She was taking pain medications, and she was so sensitive to it. She couldn't take it. She doesn't want opioids. She had surgery again and doesn't have pain. She was taking Hydrocodone, and she doesn't have the NDC/lot/expiration for it. This past summer she wound up in the ER. She had to call the ambulance. It happened 4 times. She had severe heart palpitations, and it was due to seismic events. There was a dormant volcano on Earth. She is an Empath, and she is sensitive to seismic events, and changes in plates. When this first happened she would not have caffeine. Prior Vaccinations (within 4 weeks) was reported as no. History of all previous immunization with the Pfizer vaccine considered as suspect was reported as no. Additional vaccines administered on same date of the Pfizer suspect was reported as no. Caller stated she was vaccinated for the first time for the COVID Vaccine on Wednesday at 1:30 PM. and she was fine and went home. Caller stated she had a slight reaction at 02:30 a.m. and she took a Tylenol for aches in her arms and legs. She took two Tylenol at 2:30 am, and she has not had pain since. And then she started having diarrhea, so she ate very carefully and by 4:00 PM. It has improved, but she was not 100% yet. She has been being careful with what she has ate. She felt like she was fine and the reaction was over. fine. Then, this morning at 11 am on 17Sep2021, she began feeling heart palpitations and fast beating heart rates. For the heart palpitations and heart rate, she took her Clonazepam. She did not always take it. Her tablets are 0.5, but she only takes 1/4 of it. Caller stated that was not unusual for her due to her sensitivity to pre-seismic activity. Caller asking, how will she know the difference, because her sensitivity causes her to have heart palpitations, diarrhea and throwing up. She has had this sensitivity for over 40 years. She wanted to know if the aches and diarrhea were related to the vaccine or something else going on. Caller stated today, Friday, was the second day after the vaccine, could she still possibly be having a reaction to the vaccine or was it her sensitivity to pre-seismic activity? Caller states it was rare but it was a sensitivity to earth quakes or any natural disaster and it effected her body. Caller stated she was part of some government studies years ago and it produced some of the same symptoms. Caller states that she does not wanted to answer any more questions, she wanted to be transferred to someone that can answer her question. AEs did not require a visit emergency Room or physician office visit.  Follow-up attempts are completed. No further information is expected.