weak; feeling bad; feel that her stomach and body feels hot; headaches/head hurting; hot and cold; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 87 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 08Apr2021 (Batch/Lot number: unknown) at the age of 87 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "CPAP machine user" (ongoing), notes: Verbatim: CPAP machine user; "COPD", start date: 06Jan2019 (ongoing); "Asthma", start date: 06Jan2019 (ongoing); "Stroke", start date: Aug2015, stop date: Aug2015; "Allergies" (unspecified if ongoing), notes: Verbatim: Allergies; "immune" (unspecified if ongoing), notes: Verbatim: compromised immune status; "respiratory illness" (unspecified if ongoing), notes: Verbatim-, respiratory illness; "genetic" (unspecified if ongoing), notes: Verbatim-genetic / chromosomal abnormalities; "obesity" (unspecified if ongoing), notes: Verbatim-obesity; "Very large hiatal hernia" (unspecified if ongoing), notes: Very large hiatal hernia; "Cholesterol" (unspecified if ongoing). Concomitant medication(s) included: ATORVASTATIN CALCIUM taken for blood cholesterol abnormal (ongoing); OMEPRAZOLE taken for hiatus hernia (ongoing). Vaccination history included: Bnt162b2 (Dose 1,, Product=Covid-19 Vaccine, Vaccination administration date - 18Mar2021, injection to left arm given at -15:28), administration date: 18Mar2021, when the patient was 86 years old, for Covid-19 immunisation. The following information was reported: HEADACHE (non-serious) with onset Apr2021, outcome "recovering", described as "headaches/head hurting"; FEELING OF BODY TEMPERATURE CHANGE (non-serious) with onset Apr2021, outcome "recovering", described as "hot and cold"; ASTHENIA (non-serious), outcome "unknown", described as "weak"; FEELING ABNORMAL (non-serious), outcome "unknown", described as "feeling bad"; FEELING HOT (non-serious), outcome "unknown", described as "feel that her stomach and body feels hot". Relevant laboratory tests and procedures are available in the appropriate section.  Additional Information:  This is my second dose. I have been having headaches and fever since my covid 19 vaccine on the 18th. Does it last long time? I am just tired. I am weak, tired, and lethargic. Concomitant Products Atorvastatin Calcium and Omeprazole: Start date unknown, but it has been about over 2 years ago because she did not go to any doctors during year 2020. Allergies: Onset date unknown, but started in last 4-5 years. Specific allergies unknown. She has itchy eyes certain time of the year, but not bad right now. She always had itchy eyes in the last 4 years or so. Because of allergies doctor told her she needs to use nose medicine, like saline solution every day and something , she doesn't know the name of it, but she would say something she squirts up her nose. COPD: On 06Jan2019 Couldn't breathe, didn't know what was happening, called ambulance, they worked on her. When she got to Emergency Room she was diagnosed with COPD and asthma. She got COPD from her late husband from him smoking because she never smoked. Asthma: On 06Jan2019 Couldn't breathe, didn't know what was happening, called ambulance, they worked on her. When she got to Emergency Room at Hospital she was diagnosed with COPD and asthma. She wanted to know how long would it be after she got the Pfizer-BioNTech Covid-19 Vaccine that she would have after effects. She reported having been hot and cold, with her head hurting. Hot and cold: Onset date/time: Unknown other than she has had this event all last week and the week before that in Apr2021. Outcome reported as improved. She doesn't really feel bad anymore, is feeling better now. She stays in the bed a lot and doesn't know if she is weak and just feeling bad because she does not get out much, but she can feel body and it's very hot; She does not take her temperature, but she can feel that her stomach and body feels hot; then when she takes her acetaminophen that feeling goes away. Head hurting: Onset date/time: Unknown other than she has had this event all last week and the week before that in Apr2021. Outcome reported as improved. She doesn't really feel bad anymore. First dose: Unknown strength/volume/dose injection to left arm given at 15:28. The time she was supposed to go home after waiting for 15 minutes under observation on site was 15:43. Additional Vaccines Administered on Same Date of the Pfizer Suspect: Vaccines If applicable, list all vaccines administered on same date with the Pfizer vaccine considered as suspect was reported as none. Time of Onset for Hot and cold and Head hurting was unknown. The adverse events has not resulted in Emergency Room or Physician Office visit and has not hospitalized. Prior Vaccinations (within 4 weeks) If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccine was none. she gets the flu shot every year and does not ever have any after effects to her awareness. Family Medical History Relevant to Adverse event was none.She mentioned she had an X-ray at the hospital on 27Apr2021 when she went to see her doctor with the OSA, the one that prescribed the CPAP sleep machine-they were looking for pneumonia, but she did not have any pneumonia; x-ray just showed that she has a large hiatal hernia. Has never had any surgeries.   No follow-up attempts are needed; information about lot/batch number cannot be obtained