Dose 3 administered; Stomach pain; Headache/pain in her head that her whole head felt like it was going to come off; extreme body aches; fever; Chills; still sick, she got very sick; so cold and chilled; she was very scared; tired; couldn't sleep; felt like she had covid; migraines; gastroenteritis; she is weak; sense of taste was way off; This is a spontaneous report from a contactable consumer or other non healthcare professional.  A 75 year old female patient received bnt162b2 (BNT162B2), dose 3 via an unspecified route of administration, administered in Arm Right on 05Oct2021 11:00 (Batch/Lot Number: FF4481) as DOSE 3 (BOOSTER), SINGLE for covid-19 immunisation; The patient received bnt162b2 (BNT162B2), dose 2 via an unspecified route of administration, administered on 05Mar2021  (Batch/Lot Number: not available) as DOSE 2 SINGLE for covid-19 immunisation and The patient received bnt162b2 (BNT162B2), dose 1 via an unspecified route of administration, administered on 15Feb2021  (Batch/Lot Number: not available) as DOSE 1 SINGLE for COVID-19 immunisation influenza vaccine (INFLUENZA VACCINE), via an unspecified route of administration from an unspecified date (Batch/Lot number was not reported) to an unspecified date, at  for an unspecified indication. Medical history included epilepsy from an unknown date and unknown if ongoing, brain injury from an unknown date and unknown if ongoing, 3 brain injuries , respiratory disorder from an unknown date and unknown if ongoing , dust allergy from an unknown date and unknown if ongoing The caller is highly allergic to dust, cats, and dogs, and to mold , allergy to animal from an unknown date and unknown if ongoing,  influenza from an unknown date and unknown if ongoing  she was this sick she was in her 20s and got some sort weird flu. The patient's concomitant medications were not reported. The patient experienced chills on 05Oct2021 04:00 with outcome of recovered, headache/pain in her head that her whole head felt like it was going to come off on 07Oct2021 with outcome of recovered , extreme body aches on 07Oct2021 with outcome of recovered , stomach pain causing abdominal pain upper on 10Oct2021 with outcome of unknown, sense of taste was way off causing ageusia on Oct2021 with outcome of unknown , fever on 07Oct2021 with outcome of unknown, tired on Oct2021 with outcome of unknown, couldn't sleep causing insomnia on Oct2021 with outcome of unknown , felt like she had covid suspected covid-19 on Oct2021 with outcome of unknown , migraine, gastroenteritis on Oct2021 with outcome of unknown , she is weak causing asthenia on Oct2021 with outcome of unknown, still sick, she got very sick on 05Oct2021 with outcome of not recovered, cold and chilled causing nasopharyngitis on Oct2021 with outcome of unknown, she was very scared causing fear on Oct2021 with outcome of unknown. The patient underwent lab tests and procedures which included body temperature: she thinks it had to be 100 or 101 on Oct2021 97.6 is the caller's usual temperature, she thinks it had to be 100 or 101, Therapeutic measures were taken as a result of headache/pain in her head that her whole head felt like it was going to come off and migraine. The patient usually takes Butobarbital/ acetaminophen/ caffeine- it has  325 mg of Bitibarbitol and 40 mg of caffeine. Follow-up attempts are completed. No further information is expected.