immune deficiencies; She said the joint pain felt like "flu" joint pain; She said she was really sweaty, so much so, that she had sweat under her eyes; thyroid problems; feels shaky inside; Numbness facial; Exhaustion; Foggy feeling in head/feeling rundown; felt exasperated; sweating like crazy and then gets chills; felt yucky/she didn't feel good at all; Joint pain; Nausea; Chills; after receiving the COVID-19 Vaccine on (Dated), she had left upper shoulder pain.; She clarified she had some injection site pain; and the injection site was a little itchy; This is a spontaneous report from a contactable consumer (patient). A 58-year-old female patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, lot EL3246), via an unspecified route of administration on 02Jan2021 14:30 at single dose in the left upper arm for COVID-19 immunization. Medical history included Pernicious anaemia from 2006 and ongoing, Hashimoto's disease ongoing, stated she was diagnosed with Hashimoto's disease in either 1994 or 1995. Psoriatic arthritis from Nov2020 and ongoing. Potassium low ongoing, reported she has had low potassium off and on for years. She said she can't remember when she didn't have low potassium. She said she normally finds out her potassium is low when she has blood work done. She stated she has had low potassium most of her adult life. IgA deficiency from Feb2019 and ongoing, Psoriasis ongoing, paralysis in her left trapezius muscle. Concomitant medication included B-12 for pernicious anemia. She said she had the typical reactions that one might get with a vaccine. She clarified she had some injection site pain and the injection site was a little itchy on 02Jan2021. She stated on the second day (03Jan2021) she had joint pain, felt yucky, had nausea, and chills. She said the next day (04Jan2021) she felt a little better, but still had chills. She said yesterday (05Jan2021) she thought she was feeling better, but by yesterday, clarified as late afternoon and evening, she crashed. She said she has a lot of autoimmune issues and immune deficiencies, saying she has pernicious anemia and Hashimoto's disease.  She said yesterday evening she experienced extreme body temperature issues. She said she was really sweaty, so much so, that she had sweat under her eyes. She said she would get really hot and had chills. She said she was feeling really bad and was feeling shaky inside. She said she thought it was important that she report what she was experiencing to Pfizer. She stated she has psoriatic arthritis, too. Reported after receiving the COVID-19 Vaccine on 02Jan2021, she had left upper shoulder pain. She clarified that she had a previous history of paralysis in her left trapezius muscle and had surgery in 1998 on her left shoulder. She said she had a weird feeling that went around where her scar was from the surgery on the back of her left shoulder. She said maybe the left shoulder pain had to do with how she held her left shoulder. She said on Monday, 04Jan2021, she had a little bit of pain in her left shoulder and by yesterday night, 05Jan2021, there was not much pain at all. Clarified her joint pain was in her ankles, wrists, hips, neck,  back, and knees. She said the joint pain felt like "flu" joint pain. She stated she normally has joint pain with the other issues she has, but this joint pain felt different. She said the joint pain she experienced after taking the COVID-19 Vaccine was all over her body. She said yesterday (05Jan2021) her joint pain felt so much better, but later in the afternoon she didn't feel right. She said she has pernicious anemia, and thought maybe she needs her B-12 shot. She said yesterday (05Jan2021) she experienced a lot more symptoms. She said she had numbness in her face, felt extremely exhausted, had a foggy feeling, and felt exasperated. She said the symptoms didn't start until late in the afternoon into the evening of 05Jan2021. She said she did not feel well and went to bed at 8:45PM, which is early for her. She said she did give herself a B-12 1mcg/ml shot intramuscularly yesterday. She provided the B-12 1mcg/ml NDC Number: 7006900510, Lot Number: C0495, and Expiration Date: Aug2022. She said the name (company name) was listed on the B-12 1mcg/ml packaging. She said she gives herself a B-12 shot every 10 days.  She said she still has some joint pain, but the joint pain is not like it was on 03Jan2021. She said she still has a tiny bit of heaviness in her joints with a constant throbbing pain, which is a different joint pain from her normal. Reported last night (05Jan2021) she didn't feel good at all. She said she felt horrible, and had to go to bed. She said she felt shaky inside all night, and still feels that way now. She said she was sweating like crazy, and then would get chills. She clarified she is used to being hot and cold in her normal life because of her thyroid problems, but stated what she experienced last night was beyond that. She said her hot and cold issue was bumped up several levels last night. She said she was chilled or sweating all the time last night, but did not have a temperature. She clarified her normal body temperature is 96.7, and when she checked her temperature at one point, her temperature was 98 degrees. Reported the hot and cold with sweating and chills, and nausea come and go. She said if she has nausea, it is a mild feeling of nausea. Clarified if Sunday, 03Jan2021. was a work day, she would have called out sick. She said Monday (04Jan2021) and Tuesday (05Jan2021) she did go to work. Reported she has low potassium and made herself an electrolyte cocktail. Reported if her system feels off, she said her electrolytes maybe off. She said her heart felt like it may be shaky, so she ate a banana to get potassium in her system. She said she does her little routine before she would call her doctor to get blood work done. She said she had her blood work done not too long ago. She said she wasn't feeling this way before she had the COVID-19 Vaccine, and is feeling rundown now. She said she was feeling good before she had the COVID-19 Vaccine. She said she feels like something is going on with her body now. Reported her last blood work was done on 04Dec2020 and everything was kind of normal. She clarified her thyroid was a little off, and her doctor adjusted her medication. She said her potassium was a little down. Reported she was told when she got the COVID-19 Vaccine shot she has to be a little more careful, and she might not be as protected as some people. She said she was told there have not been enough studies on the COVID-19 Vaccine. She clarified she was told that information by a person at the site where she received the COVID-19 Vaccination, saying the person was helping her with the COVID-19 Vaccination authorization form. Reported she thought she was doing OK after she received the COVID-19 Vaccine, until after last night and yesterday afternoon. She said if she continues feeling the way she is, she will see her doctor. She said her system seems off. She said she normally tries everything she knows first, like drinking a lot of water, and drinking electrolytes, and will take potassium to see if that is the issue. She said those are her own things that she does before she calls her doctor. Clarified sometimes she has numbness in her face due to not having her B-12. She said she still has a little numbness in face. She said on 05Jan2021, the numbness went across her face from the bridge of her nose down through to her mouth. She said the numbness was nothing like paralysis in her face, but her face was really hot at the same time she had the numbness. Reported she took Tylenol (clarified as (company) brand Tylenol, stating she doesn't have the UPC, Lot and Expiration Date). She said the Tylenol wasn't kicking in, so she took Ibuprofen (clarified as (company)brand Ibuprofen, and she doesn't have the Ibuprofen NDC, Lot and Expiration date). She said she took her normal medications. Outcome of events "She clarified she had some injection site pain" "and the injection site was a little itchy" and Shoulder pain were recovered on an unspecified date, "Chills" and "feels shaky inside" were not recovered, "Joint pain" "Nausea" "Numbness facial" were recovering, while outcome of other events was unknown.