become red; it has gotten larger, longer and wider and was hot; not been able to sleep; On a scale of 1-100 for discomfort, reports is about a 10/ she had discomfort; her arm was uncomfortable, and swollen; her arm was uncomfortable, and swollen; This is a spontaneous report from a contactable consumer (patient). A 76-year-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Solution for injection; Lot number: EN6206) via an unspecified route of administration in left upper arm on 08Mar2021 (at the age of 76-year-old) as single dose for COVID-19 immunization. Medical history of the patient included urinary control, anxiety, digestive issues, energy loss, hair growth decreased/hair was falling out, hysterectomy, patient had COVID-19 starting on Christmas day. Patient and her husband were told that they should postpone the injection until 3 months after the virus. Reporter stated that after Covid and before receiving the Covid vaccine, she had a chest x-ray that showed Covid scarring from pneumonia, she was prescribed a Z pack by her doctor; she has an appointment with a pulmonologist. Blood test showed no Covid. All of this was way before the vaccine. Concomitant medications included vitamin b complex [Albaplex] started on an unspecified date two years and was ongoing for urinary control, unspecified medication for anxiety control takes one tablet orally over the counter-thing that nutritionist recommended, it has vitamin b6, magnesium oxide, gba, primrose flower powder, LGlutamine and LGlycine started on an unspecified date and was ongoing; Anxiety control indication: finally discovered panic attacks but they weren't panic attacks, she wore a heart monitor for month. The new doctor discovered it was related to the new uncontrolled large dog and stressing over it. Once she realized that she was not having anxiety, she was fine, wondering why she was still taking it. Lactoferrin taken for digestive issues, she wouldn't give it up for anything, it saved her life, rna taken for energy at a dose of 3 of those tablets by mouth-going to same nutritionist for years and each time discuss what's going on and how she was feeling, makes recommendations of supplement, turmeric forte at a dose of one tablet a day mouth- do not know start date, probably a year or two years ; around for awhile taken for general health kind of thing, joint health taken at a dose of one tablet a day by mouth, taking for one or two years. Build up condition of the bones, started taking between one and two years, she changes it as health change taken for general health, folate 400 at a dose of one capsule by mouth once a day; started recently last 2 months for hair growth, estrogens conjugated [PREMARIN] started years ago; taken for hysterectomy, partial 31 years old, when she started taking the medication she was on a larger dose. The amount was cut back at some point, she doesn't know. She tried getting off of it completely and had reactions. She doesn't remember all of them, her hair was falling out. When she stopped completely her hair fell out and this sounds absurd but it was a big deal, and she gets anxious. She confirms Premarin is in the pharmacy bottle caller does not have lot number to provide. On 08Mar2021 after receiving vaccination, as soon as patient left the waiting room, she had discomfort. The shot itself did not touch her. On the way to the car, she noticed that her arm was uncomfortable, and swollen, not at the injection site, but an inch below the injection site, and then extended down the arm. On a scale of 1-100 for discomfort, report was about a 10. It started to become red, bigger, and more swollen. It was better this morning it was less red and more pink. Patient reported that it has gotten larger, longer and wider and was hot. If she puts a cold pack on it takes just a second to heat the washcloth up. Then she turns it over to use the other side and it gets hot again. Used a cold pack, describes as a cloth in which she squeezes out the water and it covers the spot on her arm. Over this time, she has not been able to sleep. She has taken Tylenol and Advil. Advil: on the bottle was: PAA134471 and expiration was May2023. The area was 5 inches long and 4 inches wide on upper left arm. It covers her upper arm. Reporter stated that she went for yearly checkup from doctor and all of her numbers are excellent, blood pressure, cholesterol, are better and improved. Patient was wondering if this was normal for a few days. There was not a single place that defined a few days. Is that 3 days or 15 days reporter questioned. Outcome of the event her arm was uncomfortable and swollen was not resolved and for all other events were unknown.   No Follow-up attempts are possible. No further information is expected.