weak; Stated that she threw up two days in a row; stated that she feels like something wants to come up; stated that the next morning she was hot; stomach does not feel good; chills; hives; 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 65 year-old female patient received bnt162b2 (COMIRNATY), administered in arm right, administration date 08Oct2021 (Lot number: FF8839) at the age of 65 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Epilepsy" (ongoing). Concomitant medication(s) included: PRIMIDONE taken for epilepsy (ongoing); DIAMOX [ACETAZOLAMIDE] taken for epilepsy (ongoing). Vaccination history included: Bnt162b2 (Stated that her first shot was on 08Mar2021 with a lot number of EN6206), administration date: 08Mar2021, when the patient was 64 years old, for COVID-19 immunisation; Bnt162b2 (Stated that the second shot with a lot of 928732 was on 29Mar2021 Stated she cannot read the writing on the card.), administration date: 29Mar2021, when the patient was 64 years old, for COVID-19 immunisation. The following information was reported: CHILLS (non-serious) with onset 08Oct2021, outcome "recovered" (09Oct2021), described as "chills"; URTICARIA (non-serious) with onset 08Oct2021, outcome "unknown", described as "hives"; ASTHENIA (non-serious) with onset 09Oct2021, outcome "unknown", described as "weak"; VOMITING (non-serious) with onset 09Oct2021, outcome "recovered with sequelae" (11Oct2021), described as "Stated that she threw up two days in a row"; NAUSEA (non-serious) with onset 09Oct2021, outcome "not recovered", described as "stated that she feels like something wants to come up"; FEELING HOT (non-serious) with onset 09Oct2021, outcome "recovered" (09Oct2021), described as "stated that the next morning she was hot"; ABDOMINAL DISCOMFORT (non-serious) with onset 09Oct2021, outcome "unknown", described as "stomach does not feel good". Therapeutic measures were not taken as a result of chills, urticaria, asthenia, vomiting, nausea, feeling hot, abdominal discomfort.  Additional Information: Patient received her booster dose on 08Oct2021, on that same night she had chills and hives and next day morning she was weak and wanted to throw up and her stomach does not feel good. Patient did throw up two days in a row and feels like something wants to come up. She is wondering why she feels this way. Patient received the product into the muscle of her right arm. She took the Pfizer Covid 19 booster as 65 or older could get booster shot. Patient is taking Generic Mysoline and Diamox for epilepsy. Generic Mysoline and Diamox are in a gold coloured bottle. Patient stated that she has epilepsy and takes medication too. Stated that she does not know if it was a reaction to the two things. She stated hat she had this before the shot. She has to take her medication four times a day. Patient had her breakfast and lunch medicine and her booster was at 1:15. She has had epilepsy since she was 9 months old and has been on the medication for a long time. Clarified that it is for Pfizer Covid 19 booster. Patient stated that there was no doctor, she went to a pharmacist. Stated that she had chills during the night and when she got up the next morning she was hot and then had chills again.  Follow-up attempts are completed. No further information is expected