Feeling sick; Felt tired; Headache; Muscle pain; I felt like I have a fever but when I took the temperature I do not, but I feel hot, but my inside feels cold, I called that chills; Joint pain; Slightly nauseated; Feeling unwell; This is a spontaneous report from a contactable consumer (patient). A 71-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Batch/Lot Number: EL9264 and Expiration date was unknown), dose 2 via an unspecified route of administration on 16Feb2021 (at the age of 71-year-old) as 2ND DOSE, SINGLE DOSE for COVID-19 immunisation. Medical history included Hard of hearing, vision not real good and pain. Concomitant medication(s) included levothyroxine sodium (L-THYROXINE [LEVOTHYROXINE SODIUM]) taken 0.05 mg, 1x/day [Once before breakfast]; Lansoprazole taken 30 mg, 2x/day (Once before breakfast and once an hour before you sleep); insulin glargine (LANTUS) taken 100 iU, daily (100 units per day); insulin lispro (HUMALOG) taken 5 iU (5 units before each meal); HYDROCHLOROTHIAZIDE; METFORMIN taken 500mg, 4 times a day; DOCUSATE SODIUM taken 100mg, twice a day; CELECOXIB taken 200 mg, twice a day (It's a generic, I donot know, pain medicine); ATENOLOL taken 50mg, once a day; linum usitatissimum oil (FLAXSEED OIL [LINUM USITATISSIMUM OIL]) taken 1000 mg, Twice a day; aspirin [acetylsalicylic acid] (ASPIRIN [ACETYLSALICYLIC ACID]) taken 325 mg, once a day; calcium citrate (CITRACAL [CALCIUM CITRATE]) (tablet) taken 2 DF, 1x/day (2 tablets per day); PRAVASTATIN taken 80 mg, 1x/day [80 mg, at bed time]; AMLODIPINE BESYLATE; LATANOPROST taken 2 drop, 1x/day (Once drop in each eye at bed time); budesonide (NASOCORT) taken 1x/day (Once or twice a day, usually I take once a day at bed time); azithromycin (Z-PAK); carmellose sodium (REFRESH TEARS) taken 2 drop, 3x/day (Once drop in each eyes, 3 times a day). The patient previously received first dose of BNT162B2 (Lot Number: EL9261) for COVID-19 immunisation. Patient stated, I had my second Pfizer COVID shot yesterday and I first had some pain when the vaccine was given, which is usual for me. 24 hours later, I started to feel sick, then I felt tired, I had a headache, muscle pain, chills, joint pain. I felt like I have a fever but when I took the temperature and I do not, but I feel hot, but my inside feels cold, I mean I called that chills. I feel slightly nauseated but nothing that bad and generally feeling unwell on 17Feb2021. Further stated, My height is 5 feet 5 inches, well 5 feet 4 inches, I have shrunk and my weight is about 205 pounds. Reporter stated, Well we both received the shot at same time and mine is Pfizer EL9261 for the first shot and the second one is EL9264 (further not clarified). Again stated Other medications: Probiotic, ProAir, Albuterol as needed but I have not needed for quite some time, Nitrostat, its Nitroglycerine, if needed and I have not used it in past 5 years (further not clarified). Still experiencing: she stated, Yeah, since I took 2 Tylenol and I have been resting so I feel somewhat better. When clarified Tylenol as Treatment, stated, Correct, for the headache and pain, you know for aches and pain. That thing have helped. The patient underwent lab tests and procedures which included Height: My height is 5 feet 5 inches, well 5 feet 4 inches, I have shrunk and weight: about 205 pounds on an unspecified date. Therapeutic measures were taken as a result of feeling sick, felt tired, headache, muscle pain, i felt like i have a fever but when i took the temperature i do not, but i feel hot, but my inside feels cold, i called that chills, joint pain, slightly nauseated, feeling unwell. The outcome of events was not recovered.  Follow-up (11MAY2021): Follow-up attempts completed. No further information expected.