Bruising and swelling underneath arm- purple bruising from under arm to wrist; Bruising and swelling underneath arm- purple bruising from under arm to wrist/ fingers were swelling; there was a spot on her arm that was raised a little and hard to touch, it felt like a knot.; tingling in her fingers; No appetite; Fever from 100.3 degrees to 100.9 degrees /she had a low grade fever; Terrible headache; lymph nodes swelling; Chills; Injection site was a little sore; very tired; Screaming diarrhea- very bad case of diarrhea; Throbbing in lymph nodes under arm, pain generated,tingling and feel tight like her arm and fingers were swelling was reported as worsened.; pain generated from her lymph nodes to her elbow and then as the day went on all the way down to her wrist; she started getting sick; just felt terrible all weekend and felt very lightheaded; two dime sized spots from her elbow to her wrist that are dark purple and very tender and swollen in that area; Body and joints ached; Body and joints ached; her arm was extremely sore; This is a spontaneous report from a contactable consumer (patient). A 54-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection; Batch/Lot Number: ER8732; Expiration Date: 30Jun2021; NDC number: unknown) via an unspecified route of administration on 26Mar2021 at 08:40 (at the age of 54-years-old) in right arm as a single dose for covid-19 immunization. Medical history (including any illness at time of vaccination) included seasonal allergies, ongoing high blood pressure (diagnosed about 8-10 years ago), borderline diabetes from 2020 and ongoing, started on metformin last year and when checking her bloodwork for antibodies, the doctor noticed her sugar levels were high and started her on metformin, ongoing gout (first case of gout probably 10-12 years ago), covid very bad last year on 15Mar2020, it took about six weeks for her to recover, her doctor treated her at home. History of all previous immunization with the Pfizer vaccine considered as suspect, additional vaccines administered on same date of the Pfizer suspect, prior vaccinations (within 4 weeks), adverse events following prior vaccinations, family medical history relevant to adverse events were reported as none. This report is not report related to a study or programme. Concomitant medications included propranolol (PROPRANOLOL) taken for blood pressure abnormal from an unspecified start date and ongoing; metformin (METFORMIN) taken for glucose tolerance impaired from Dec2020 and ongoing; allopurinol (ALLOPURINOL) taken for gout from an unspecified start date and ongoing; diphenhydramine (DIPHENHYDRAMINE) taken for seasonal allergy from an unspecified start date and ongoing. The patient received the vaccine, and the injection site was a little sore and she started getting sick within 4 hours of being administered the Pfizer covid vaccine. Caller reported that on 26Mar2021, about two hours after the vaccine, she started feeling throbbing in her lymph nodes under her arm, the pain generated from her lymph nodes to her elbow and then as the day went on all the way down to her wrist. She was sicker than a dog all weekend, she had chills, fever of 100.3 degrees to 100.9 degrees, no appetite, terrible headache, she was very tired, she just felt terrible all weekend and felt very lightheaded. She was sick on 27Mar2021 and 28Mar2021. She kept noticing that her arm was extremely sore and by 28Mar2021, it was bruising underneath. Caller stated that there was purple bruising from her under arm to her wrist and tingling in her fingers. There was a spot on her arm that was raised a little and hard to touch, felt like a knot. She took pictures and the doctor said she needed to go to the emergency room because it looks like she may have a blood clot. She went to the emergency room, they looked at it and initially thought the same thing. They gave her a shot in the stomach of the blood thinner, but she forgets the name of the blood thinner. Caller stated that they did the ultrasound on 30Mar2021 and her doctor requested they call her from the room while she was in there. She explained that they didn't find anything in the veins, but her arm was still swollen and bruised, her hand, her fingers are tingly and tight. She was told to go home and put warm compresses or heat pads on it. They said it looks vascular, but they're not sure because the vaccine was new, they've never seen anybody react or reaction like this. The injection site was in the shoulder part where they normally put the needle. The problem was underneath where the lymph nodes are. Caller mentioned that she had the vaccine at 08:40, and she started to feel the throbbing in her lymph nodes around 11:00 am. Her chills started in the evening, probably around 18:30-19:00. She doesn't have the chills anymore, she had a low-grade fever with the chills until late Sunday night around 10:00 pm. Her fever was at 100.6 degrees or 100.9 degrees to 100.3 degrees, it would go back and forth. Soreness/lymph nodes swelling around 11 am, fever, headache started at 22:00 pm, diarrhea and chills started around 18:30-19:00, bruising was noticed on Sunday, exact time unknown, no appetite and tired started at 22:00. She was not admitted to the hospital, she just went to the emergency room on Monday evening, 29mar2021. She also had diarrhea, described as screaming diarrhea where you're up and down a lot. She doesn't know how else to describe it, in the country they call it screaming diarrhea and a very bad case of diarrhea, it started in the evening. She was very tired, and her body and joints ached as well. She reported her appetite was not back to where it normally is, but she was eating. She wasn't eating before; she was just drinking liquids over the weekend and didn't eat because she had a fever and diarrhea really bad. she doesn't feel like she had tons of energy, but she doesn't feel like she did over the weekend. Caller stated that she had it yesterday, but she had not noticed feeling lightheaded. Everything else went away, besides the pain in the lymph nodes in the arm. She just doesn't feel 100% yet as she was just dealing with her arm. The darker bruising was under her arm from her lymph nodes to her elbow and the lighter bruising was from her elbow to wrist. The yellow bruising was mixed in with the darker purple from her lymph nodes to elbow. There were two dime sized spots from her elbow to her wrist that are dark purple and very tender and swollen in that area. There was a lump that was raised last night that was on the other side where you bend your elbow. Caller explained that on the other side where the lump was yellow and light purple, and it was very sore. Caller stated that it could see on Sunday, but she could tell something wasn't right by 11:00 am on Friday because her arm felt very sore then and the soreness started going down her arm. She could tell that something was wrong. It felt tingly and tight like it was starting to swell but couldn't see any of the purple bruising until Sunday. It started with the bad lump and her arm was really hurting. Caller stated that her arm was the same, it was not getting worse or better. Caller mentioned that if it got worse, she doesn't know what else she can do. The doctors don't even know about the vaccine and they don't know what else to do. Caller reported that she is definitely not taking the second vaccine. She had the paperwork from when she went to the emergency room and had an ultrasound: results showed she did not have any blocked veins. Caller stated that on the paperwork, it has the receipt for her copy and the paperwork to show she got the shot for the blood thinner in stomach. She stated that she was looking at her paperwork and the diagnosis from emergency room visit was oedema of right upper extremity. Caller reported because she had covid last year, she gets tests done every month to check for antibodies and she still has antibodies. She was tested for antibodies two weeks ago and verified she still has antibodies. The patient underwent lab tests and procedures which included blood test: elevated on 29Mar2021 high levels of something, but she doesn't know the name of it, and that's why they said it looks like she has a blood clot, so they gave her the blood thinner shot to help it; body temperature: 100.3 to 100.9 degrees in Mar2021, sars-cov-2 antibody test: still has antibodies in 2021, ultrasound scan: did not show any blocked veins on 30Mar2021. The outcome of the events dizziness, chills, fever, headache was recovered, contusion, peripheral swelling, lymph node pain, no appetite, lymphadenopathy, fatigue, diarrhea, vaccination site pain was recovering, limb discomfort, pain, condition aggravated, illness, paraesthesia, arthralgia, pain in extremity was unknown, for mass was not recovered.  No follow-up attempts are possible. No further information is expected.