He described it as a very horrendous itching hives/ hives on a scale of 1-10 for itching factor were a 15; she had hives on her entire body from her neck down, not her face or head.; horrific allergic reaction; the color of her skin, like her entire body was covered in this irritation, her skin had this blotchiness to it; the color of her skin, like her entire body was covered in this irritation, her skin had this blotchiness to it; This is a spontaneous report from a contactable consumer. This consumer reported for his wife: A 51-years-old female patient received first dose of bnt162b2 (Pfizer-BioNTech COVID-19 Vaccine, solution for injection, Batch/Lot number was not reported) via an unspecified route of administration, administered in arm right on 18Mar2021 (age at vaccination 51 years) as dose 1, single for covid-19 immunisation. The patient's medical history included environmental allergies, basal cell cancer, blood pressure. dermatologist takes chunks off of her a couple times a year for basal cell cancer, he's not sure if it's called that. His wife's father has the same thing. Concomitant medication included losartan 50mg daily for blood pressure. She's been taking this for a while maybe 3 months. NDC number of Covid 19 Vaccine was unknown. reason for no lot number: of Covid 19 Vaccine was patients husband reports the facility that administered the Covid 19 vaccine did not provide a card with the first injection. They are to receive their vaccination card with the second Covid 19 vaccine. patient was taking Covid 19 Vaccine for protection and to travel. There was no vaccine Administered at Military Facility. There was no history of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available). There was no vaccines administered on same date with the Pfizer vaccine considered as suspect. Adverse event require a visit to emergency Room, Physician Office. There was no prior Vaccinations (within 4 weeks). Regarding adverse event following prior vaccinations patient's husband reports he can't say she's never had reactions to any vaccines. He reports maybe a red arm with a flu vaccine. The patient's husband reports he and his wife got their first Covid 19 Vaccine together. His was great, but his wife had a horrific allergic reaction 5 days after the vaccine. She received her first Covid 19 vaccine on 18Mar2021 and on 23Mar2021, she had hives on her entire body from her neck down, not her face or head. It looked like she had acid thrown on her, on her genitals, and even the bottoms of her feet. The hives on a scale of 1-10 for itching factor were a 15. It was just horrendous. The hives would come and peak and then subside then literally her skin would completely clear up. Then around 5 hours later the hives would come back. She would go through this 2-3 times a day. Her whole body would be covered with hives. His wife went to a (Name) like an urgent care and they gave her a steroid shot and it didn't help. She went to the emergency department and the emergency department said there was nothing else they can do if she had already received a steroid shot. She's seen her dermatologist, her ear nose and throat doctor, and her allergist. She does have environmental allergies and she takes a shot for things like mold, grass, cat dander, things like that. She has no pharmaceutical allergies or food allergies. She takes an allergy shot every 2 weeks or so. These hives have gone on and off and no one can give he or his wife any answers. His wife essentially got the steroid injection from (Name) and a 5 day steroid prescription. She started on that and her dermatologist gave her a stronger antihistamine. He's not sure if it's prescription strength. He doesn't know the name. He stated he wishes his wife were here to answer these questions because she would know. He reports that she started having the allergic reaction on Tuesday, 23Mar2021 and on 25Mar2021, the hives subsided that morning and the hives haven't come back. He says his wife is still itching like a 2 on a scale of 1 to 10 with 10 being the most itchy. There is nothing visible on her skin now. He reports he and his wife don't know what to do. They are supposed to get their second Covid 19 vaccines next week and his wife is not going to get her second Covid 19 vaccine. He hasn't been able to talk to any one who might have an answer. Maybe this has happened to other folks. They don't know what to do with the Covid 19 vaccine. Would she be better taking the Johnson and Johnson Covid 19 vaccine. He reports they are both 51 and retired and they want to go to travel in July. They don't want to travel without getting completely vaccinated. He thinks his wife may be covered about 80% with just one Covid 19 vaccine. He and his wife know the implications of not getting vaccinated and they're doing it for personal reasons. Only her dermatologist seemed to take an interest in his wife's reaction to the Covid 19 vaccine. The dermatologist thought maybe the hives could be related to the Covid 19 vaccine but the hives could be coincidental. The dermatologist felt that the hives likely came from the Covid 19 vaccine. When asked to clarify what the patients husband meant when he said it was like someone threw acid on her, he reports the color of her skin, like her entire body, was covered in this irritation, her skin had this blotchiness to it, like someone threw something on her that irritated her skin. He reports there was nothing on her arm from the injection itself. He reports about a week ago she still had an itching sensation where she wanted to scratch her skin. She could feel the hives coming on before they even started to appear and then she would see the hives. She walked around with mittens on her hands and she was taking ice baths. He reports she may have some minor itching sensation now but he doesn't believe she has any symptoms any more. She takes allergy injections. He's not even sure she had an allergy injection around the time she received the Covid 19 vaccine but she might have because she gets the allergy injections every week or 2 weeks. He states she had an allergy injection on 12Mar2021. They are self administered injections. The allergy injections (treatment) are made up for her. He reports vial A is dust extract and vial B is pollen extract. They are weekly injections. He thinks she was at the maximum dose which is 0.50. He thinks it says mg but it's handwritten and he can't read the handwriting. His daughter was an registered nurse in one of the local emergency departments and they went to his daughter's emergency department and the doctor looked at her and said there was nothing he could do. The outcome of events was reported as not recovered from Itching, recovered from hives on 25Mar2021 and unknown for other events.  Follow-up attempts completed. No further information expected.