Hives all over body; whole body allergic reaction; rash, rash was worse and that it was on her "face, arms, legs, back, everywhere.; This is a spontaneous report from a contactable consumer (patient). A 48-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot Number: ER8733, Expiration date: Unknown), via an unspecified route of administration, administered in arm left on 05Apr2021 at 05:30 PM (age at vaccination was 48 years) as DOSE 1, SINGLE for covid-19 immunisation. The patient was not pregnant at the time of vaccination. No other vaccines were received within four weeks prior to the administration of bnt162b2. No family medical history reported. Medical history included asthma from 2008 and was ongoing, reactions to food (there wasn't anything specific, but that she has broken out in hives due to food before) from an unspecified date and was ongoing, anxiety and depression from an unknown date and unknown if ongoing, hives to cephalosporins from 2004 and was ongoing, irregular heart rate from 2018 and was ongoing, insomnia from 2018 and was ongoing, allergies (she has had allergies since she was a child) from an unspecified date and was ongoing, Covid (Had Covid in December and don't want to get it again) from dec2020 and unknown if ongoing. Concomitant medications included montelukast sodium (SINGULAIR) taken for allergies and asthma, from an unspecified date and was ongoing; metoprolol taken to regulate heart rate, from 2016 and was ongoing; levocetirizine dihydrochloride (XYZAL) taken for allergies, from an unspecified date and was ongoing; trazodone taken for an unspecified indication, from 2016 and was ongoing; chlorphenamine hydrochloride taken for allergies, from an unspecified date and was ongoing. Historical vaccine included Flu shot and Pneumovax 23 on an unspecified date in Feb2021 for an unspecified indication. Report stated that the patient got the first dose of the Covid-19 vaccine on 05Apr2021 in her left arm. She also reported that the hive had started on her left arm in 11Apr2021. The hives did not start at the injection site, but did start on her left arm and then started going everywhere. On the evening of 11Apr2021, hives started all over her body. The hives were all over her face from head to toe. The patient stated that the rash was worse and that it was on her "face, arms, legs, back, everywhere. The patient stated that she ended up with a whole body allergic reaction, rash but not an anaphylactic reaction. She also stated that her physician did not know what to do for her hives and allergic reaction. The patient went through one round of 3 days of steroids, over the counter, the hives had continued to spread. The reporter stated that since days had gone by since 11Apr2021, On 20Apr2021, was probably the worst day. The adverse events resulted in doctor or other healthcare professional office/clinic visit. Treatment for the events included: patient took a 3 day course of steroids and had been using hydroxyzine 25 mg, a topical cream that was not really doing a whole lot; Xyzal 5 mg and Chlorphenamine 4 mg (over the counter); Clobetasol Propionate 0.05%, topical cream that was not really doing a whole lot; Hydroxyzine 25 mg made her completely go to sleep, and she could only take the hydroxyzine at night; prednisone 20 mg tablets once daily for 3 days. No investigation assessment was reported. Prior to vaccination, the patient was diagnosed with COVID-19 and since the vaccination, the patient was not tested for COVID-19. Outcome of the events hives was not recovered and other events was unknown.  Follow-up (09Jul2021): Follow-up attempts completed. No further information expected.