spontaneous chronic urticaria, hives like ongoing hives/it's very frustrating for 6plus weeks i just keep breaking out for hives/breaking out with full hives; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A female patient received BNT162b2 (BNT162B2), as dose 1, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: URTICARIA CHRONIC (non-serious) with onset 2021, outcome "not recovered", described as "spontaneous chronic urticaria, hives like ongoing hives/it's very frustrating for 6plus weeks i just keep breaking out for hives/breaking out with full hives". Therapeutic measures were taken as a result of urticaria chronic.  Additional Information: Reporter stated, she was on the medical field (refused to give her title). She had already called and reported AE for both covid19 vaccine and booster. She had broken out, third time this happened spontaneous chronic urticaria, hives like ongoing hives. It's hives not the wors thing in the world, it's very frustrating for 6plus weeks she just keep breaking out for hives for no reason. there were 2 to 3 clinical studies online that had talked about chronic spontaneous urticaria following the Pfizer biontech covid vaccine, there was few reports of instances. How long this was going to happen? Things like topical steroids like Benadryl Claritin none of those were working it loss temporarily then she got hives back. Kept breaking out in hives, gone through allergy testing, all immune testing, had probably 100 of test done over the last year and a half. Got my booster on the 31Aug and it was through this until last time. It took months the last time to go away, received 2nd booster on Apr2021 and had hives and lasted till Jul and then they just sorted went away, just started having this again when she got got booster on 31st. Reporter clarified that she got the first dose, second dose and the booster from Pfizer, did not received other vaccines aside from Pfizer. Reporter "looking at the internal medicine clinical case, case report from 07Jun, chronic spontaneous urticaria following Pfizer biontech corona virus disease 2019 messenger RNA vaccine, there's a quite few report. Also, in journal of allergy Immunology, there was a report that covid-19 vaccine may cause chronic spontaneous urticaria, She did not thought it was just you guys, it was crossed all the vaccines, Moderna, AstraZeneca. But none of this had reported on what to do. Doctor trying to give me topical steroidal anti-inflammatory, antihistamines and things, but this was going through 7 to 8 weeks. Keep getting time out of work, keep spending money for medical expenses, Im' breaking out with full hives, it's quite inconvenience. she's been tested for over 4000 allergens. DSU: E-transmitting AE duplicate report. reporter said that he did report it already. Reporter said Keep getting time out of work, keep spending money for medical expenses, breaked out with full hives, it's quite inconvenience.   The information on the batch/lot number for BNT162b2 had been requested and will be submitted if and when received.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202201258999 Same patient/event, different COVID-19 vaccine dose;US-PFIZER INC-202201259522 Same patient/event, different COVID-19 vaccine dose;