she started "itching on the right side of her ankle and leg" and it "was red"; she started "itching on the right side of her ankle and leg" and it "was red"/itching so bad all over; She also reported pain in the areas itching; Allergic reaction; This is a spontaneous report from a contactable consumer or other non hcp.  A 70-years-old female patient received first bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot number: EL9269), via an unspecified route of administration on 03Feb2021 10:31 at SINGLE DOSE for covid-19 immunisation. Medical history included covid-19 from 2020 to an unknown date, fall from Jan2021 to an unknown date (She went to orthopedic doctor on 10Jan2021 who gave her a Toradol shot and unknown injection in the knee; she thinks the unknown injection was a steroid or whatever they call it for the pain in her knee because she has bone on bone osteoarthritis) , ongoing Penicillin allergy while she was in her 20s , anxiety, diabetes mellitus, blood pressure abnormal.  Concomitant medication included clonazepam (KLONOPIN, Tablet) 1/2 tablet taken as needed for Anxiety, duloxetine (DULOXETINE) for 60 mg, daily, metformin 500 mg, once daily for diabetes, hydrochlorothiazide/losartan potassium (LOSARTAN POTASSIUM AND HCTZ) 50mg/12.5mg tablet once daily for blood pressure, metoprolol succinate 50 mg, once daily. Patient previously took Flu vaccine on Arm was a little sore but that was it, went away in a few days. This was the first time she had ever gotten a flu vaccine on unspecified date in Nov2020 and experienced Arm was a little sore. Patient received the first dose of the Pfizer-BioNTech COVID-19 vaccine last Wednesday. She added she was monitored for 15 minutes post injection but when back to work, at (Retail Company), where she started "itching on the right side of her ankle and leg" and it "was red". She called the ER that same day who recommended her to take "Benadryl 50mg", which "helped smooth it over and put [her] to sleep". She explained she went back to work yesterday, Thursday, and "last night [she] was itching". She specified applying some "hydrogen cortisone cream which eased it, but it is still itching and red". She asked if she should take the second dose of the vaccine given her reaction to the first dose. She said she will consult with HCP. She went to orthopedic doctor on 10Jan2021 who gave her a Toradol shot and unknown injection in the knee; she thinks the unknown injection was a steroid or whatever they call it for the pain in her knee because she has bone on bone osteoarthritis. This consumer was administered her first dose of Pfizer COVID-19 Vaccine 03Feb2021. She reported allergic reaction onset after that dose administered on 03Feb2021. She asked if she should still get the second dose of Pfizer COVID-19 related to this event. Onset same date as vaccine administration. Further described: they let her sit there in the (Facility name) for 15 minutes for monitoring and she had no reaction. She left there and went to work at (Retail Company). She got lunch while at work at (Retail Company) and sat in her truck eating lunch. That is when her right foot started itching right up by her ankle. She went on back into work. She told them she had to leave because she was itching so bad all over, her arms and stuff so she went back home. She also reported pain in the areas itching. She called the (Hospital name) and told the lady she was itching real bad and her ankle was turning red. The lady told her to take Benadryl, so she took 2 Benadryl tablets which helped the itching. After the Benadryl wore off the itching started again. She did not rest at all last night because of this event. She put some Hydrocortisone cream on the area because it is an anti-itch cream; the Hydrocortisone cream soothed it for a while, but then it started right back. She put a cold pack on the area because her daughter thought that might help, but the cold pack did not stop it, it just cooled it down. So she is seeing her Primary Care Physician today for this event. Outcome of the event pain was unknown. Outcome of the other events was not recovered.