I had flare up; my pinky is swollen; lot of discomfort in my wrist, in my hand; I had flare up; my pinky is swollen; lot of discomfort in my wrist, in my hand; Pain in my fingers and in my wrist; Pain in my fingers and in my wrist; It is really hard to be typing specially with my pinky; It is very stiff and swollen; Joint pain; Low white blood cells/White blood cells was I don't know it is like 3.5 may be, it was 2 something went up to 3; Low platelets; This a spontaneous report from a contactable consumer (patient). A 63-years-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Batch/Lot Number: EM9809), dose 1 via an unspecified route of administration on 12Feb2021 as (At the age of 63-years) single dose for COVID-19 immunisation. Medical history included ventricular extrasystoles from an unknown date and unknown if ongoing. Concomitant medication included sultopride (TOPRAL [SULTOPRIDE]); simvastatin (ZOCOR); escitalopram oxalate (LEXAPRO); tolterodine l-tartrate (DETROL); vitamin d nos; omeprazole, and calcium all wares taken for an unspecified indication, start and stop date were not reported. It was reported that on 12Feb patient received his first vaccination it was a Pfizer Vaccination Priors to that she had bloodwork done with his general practitioner which has a result came back that she had low white blood cells and low platelets. So, she had referred to a hematologist. Now she got his COVID shot prior to going to hematologist and after she had his Covid shot the vaccination part, she had flare up and she had on his fingers are very, well one his pinky was swollen. So truly get stuck she guess not sure, but she means lot of discomfort in his wrist, in my hand. Right now, she had pain in his hand with his wrist. she takes Tylenol and Tylenol help with the pain. This is going on for a while. It was reported that reporter question is she haven't seen his, hematologist on Wednesday and she scheduled for his second shot on Friday. So, the flare up she don't know if this is because of the shot or because of she was having white blood cells. She only had one shot on 12Feb. she scheduled for my second shot on 05Mar, Friday. Reporter asking question is the flare up she don't, know if other people have experienced that she was with flare ups, having pain in his fingers and in his wrist. So, she doesn't know if it is due to the Covid vaccination or what she was dealing with. She had test is still she don't have rheumatoid arthritis. She doesn't have lupus and other. Should she not take second vaccination. It was reported that Treatment: Consumer stated, "Just Tylenol that's it. She has a heating pad on right now. she used like bandage or icing hot some type of ointment to help with these." It was reported that she was teacher, and it is really, teaching from home and it is really hard to be typing specially with his pinky you know it is not easy to typing it right now. It is very stiff and swollen. It was reported that she had his shot on 12Feb so 17Feb she had blood work done. she don't know the name but she can tell you for what they are looking for. They were looking for rheumatoid arthritis, they were looking for lupus, they were looking for hepatitis, they were looking for HIV and they also did to know blood levels. Lab Results: Consumer stated, "Yeah they all are negative. Well Hepatitis is negative, HIV is negative, and Rheumatoid arthritis is negative. Result for the White blood cells was she don't know it is like 3.5 may be, it was 2 something went up to 3 she doesn't know. Also, the platelets where I don't know." Upon Follow-up The caller said that she received the 1st dose on 12Feb2021. She's experiencing joint pain and swollen pinky finger on the left hand. Blood work (WBC and Platelet count) has been done 5 days after the 1st dose. The patient underwent lab tests and procedures which included hepatitis: negative, hiv test: negative, platelet count: low, platelet count: unknown result, rheumatoid arthritis: negative all ware performed on 17Feb2021, white blood cell count: low, and white blood cell count: 3.5 may be, it was 2 something went up to 3 was performed on 17Feb2021. The outcome of events joint pain, low white blood cells/white blood cells was i don't know it is like 3.5 may be, it was 2 something went up to 3, and low platelets was unknown, and outcome of all other events was not recovered.   No follow-up attempts are possible. No further information is expected.