Couldn't breathe well/shortness of breath; Wheezing; Didn't sleep all night; Rash/rashy/A little rash; felt itchy; Bumps came up, I got hives; At my hands where my arms I broke out in like blotches and then it went to my leg; Bumps came up, I got hives; At my hands where my arms I broke out in like blotches and then it went to my leg; This is a spontaneous report from a contactable consumer (patient) via Medical Information Team and from a Pfizer-sponsored program. A 78-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Lot number was not reported), via an unspecified route of administration on 07Mar2021 as 1st dose, single for COVID-19 immunization. Medical history included allergies (some medications including certain antibiotics), atrial fibrillation; diabetes and hypertension. The patient's concomitant medications were not reported. The patient received first dose of Pfizer covid vaccine on 07Mar2021 and is an allergic person and afterwards she broke out in rash, hives, and shortness of breath felt itchy and rashy a little rash on an unspecified date in Mar2021. She took a Benadryl for the rash which helped, it seemed to dissipate. Stated she has a history of allergies so she had previously made an allergist appointment about a month before an had an allergy testing panel done on 08Mar2021 to confirm what they were. The patient reported that she told the person administering the panel that she had just had her first COVID-19 vaccination and was told it will not interfere with the allergy test or visa versa. She got allergy testing on arm for food, grass. They gave the panel and she reacted to all of it, she and broke out even more. She is allergic to lot of things and when she finished bumps came up, got hives and it lasted about a day that was on 08Mar2021. The whole week like she couldn't breathe well. She went to her heart doctor it's not her heart effect, she was wheezing. Sometimes she experiences wheezing however timing of wheezing and vaccine dose was unclear. She spoke with allergist who said callers experience post allergy testing was unusual. A little she felt like she was wheezing and yesterday (11Mar2021) had a little bit rest but this morning (12Mar2021) when woke up really didn't sleep all night, looked at her hands where her arms she broke out in like blotches and then it went to her leg, had blotches and hives on arms and legs. She took another Benadryl on 12Mar2021 and blotches seem to have dissipated. Onset date of all events was Mar2021. She reported that she went home after having a reaction and after 3 weeks she was still breaking out in hives and rashes. The patient asked whether the allergy testing interfere with covid shot? wondering if allergy test caused her reaction or the vaccine. Wants to know if she is allergic to COVID-19 vaccine and should she get the second dose and will it be safe. She stated the HCP cannot tell her if from the testing or from the vaccine. Reported that when she went for her second vaccine dose she was told, due to her rash and hives that she shouldn't get the second dose and was sent away. She explained that she had been to multiple doctors who are unable to provide guidance as to if she should get the second dose at any point, even though now she is not broken out and its past the recommended 3 weeks. The outcome of the events blotches, hives and rash was recovered on an unspecified date, while final outcome of other events was unknown.  No follow-up attempts are possible; information about lot/batch number cannot be obtained.; Sender's Comments: Linked Report(s) : US-PFIZER INC-2021485963 same patient/drug and different dose/event.