headache; stomach pain; it is probably a little worse.; her temperature is 99.3 degrees Fahrenheit; Sore arm from the shot; receiving the booster dose; chills; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. Other Case identifier(s): US-PFIZER INC-202101500018 (Pfizer).  A 80 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 01Nov2021 (Lot number: FF2593) at the age of 80 years as dose 3 (booster dose), single for covid-19 immunisation. Relevant medical history included: "problems with her stomach" (unspecified if ongoing), notes: Pains in stomach: As far as her stomach, she was having some problems with her stomach, before. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose 1, LOT No: EW0158, EXP: Unknown), administration date: 07Apr2021, when the patient was 80 years old, for COVID-19 Immunization; Bnt162b2 (Dose 2, LOT: EW0165, EXP: Unknown), administration date: 29Apr2021, when the patient was 80 years old, for COVID-19 Immunization. The following information was reported: IMMUNISATION (non-serious) with onset 01Nov2021, outcome "unknown", described as "receiving the booster dose"; CHILLS (non-serious) with onset 01Nov2021, outcome "not recovered", described as "chills"; HEADACHE (non-serious), outcome "not recovered", described as "headache"; ABDOMINAL PAIN UPPER (non-serious), outcome "not recovered", described as "stomach pain"; PAIN IN EXTREMITY (non-serious) with onset 01Nov2021, outcome "not recovered", described as "Sore arm from the shot"; CONDITION AGGRAVATED (non-serious), outcome "unknown", described as "it is probably a little worse."; BODY TEMPERATURE INCREASED (non-serious) with onset 02Nov2021, outcome "unknown", described as "her temperature is 99.3 degrees Fahrenheit". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of chills, headache, body temperature increased.  Additional information: Caller was a consumer enquired about treatment options for side effects for his wife after receiving the booster dose of the Pfizer Covid-19 vaccine. He stated that basically his wife got the third shot that was everybody was getting. Clarified that the caller has been referring to the Pfizer BioNTech booster shot for Covid-19. She had some effects and right now it was just hanging around. Sore arm from the shot: It started when she got the shot 01Nov2021. At this point, it was probably a little worse. Chills: She got the chills yesterday and they are probably more so today. She got a headache and her temperature was 99.3 degrees Fahrenheit. Caller stated that he got the booster as well and had chills that lasted about 12 hours then went away. Headaches: Caller stated his wife was still having the headaches now. He was wondering if she could take Tylenol or Aspirin to relieve the pain. Caller was advised to consult with the primary care physician for any medical advice. Headaches: It seems like she got the headache but it was not as bad as it was. Pains in stomach: As far as her stomach, she was having some problems with her stomach before. Basically, it probably intensified with the shot yesterday. She said it has gotten worse at this point. Temperature of 99.3: She took her temperature about 15 minutes ago. Treatment: No, she basically had tests and things like that. They just tested and said it wasn't a major problem. She still has the pain in the stomach but seems a little intensified. Clarified that the tests the caller was referring to were tests regarding the stomach pain and stated that they did a CT scan. Caller stated that all occurred within the last month. He stated that it was Oct2021. Treatment for current symptoms of chills, temp, headaches: No, basically they were calling in to ask about that. Caller stated that the card had the location as store number and stated that there was no other information listed. Caller stated that his wife was getting impatient now and would like to have some information about what she could take. Caller just wanted to get their question addressed. No further details were provided and full details were not obtained.