Recurring smaller allergic reactions; Felt a little unwell; I made it 2 blocks when my pulse went up to 134bpm; i felt nauseous; Shaky; Weak; Head and nose pressure; Head and nose pressure; Throat felt tight; Congested; My symptoms became rapidly worse; Teeth chattering; This is a spontaneous report from a contactable consumer, the patient.   A 42-year-old female patient received the second dose of  bnt162b2 (PFIZER-BIONTECH COVID-19 MRNA VACCINE, Lot Number: EW0172), via an unspecified route of administration, on 04May2021 at 09:30 (at the age of 42-years-old) as a single dose in the left arm for COVID-19 immunization. Medical history included asthma from an unknown date and unknown if ongoing, systemic lupus erythematosus from an unknown date and unknown if ongoing. The patient reports being allergic to dairy, wheat, eggs, sesame, ginger, garlic, onion, tomato and tree nuts from unspecified dates and unknown if ongoing. The patient was not pregnant at the time of vaccination. The vaccine was administered in a hospital. The patient did not have COVID-19 prior to being vaccinated. Historical vaccinations included  the first dose of  bnt162b2 (PFIZER-BIONTECH COVID-19 MRNA VACCINE, Lot Number EW0150), via an unspecified route of administration on an unspecified date in Apr2021 at 09:30 as a single dose in the left arm for COVID-19 immunization. Concomitant medications included montelukast (MONTELUKAST) taken for an unspecified indication, start and stop date were not reported; etonogestrel (NEXPLANON) taken for an unspecified indication, start and stop date were not reported; valacyclovir (VALACYCLOVIR) taken for an unspecified indication, start and stop date were not reported; hydroxychloroquine (HYDROXYCHLOROQUINE) taken for an unspecified indication, start and stop date were not reported. The patient did not receive any other vaccinations within 4 weeks prior to the COVID-19 vaccine. The patient previously took sulfa drugs and experienced drug hypersensitivity, ADVAIR discus and experienced drug hypersensitivity and an unspecified flu vaccine and experienced drug hypersensitivity. The patient reported that, after receiving the 2nd dose of the vaccine, she sat for the required 15 min. Because of allergic responses to food and the flu vaccine in the past she had her Apple iwatch set up to moniter her heartrate; it was 65bpm at that time. She felt a little unwell but thought she was ok. So she left at the 15 min mark. She walked to her car and as she left her symptoms became rapidly worse. She made it 2 blocks when her pulse went up to 134bpm. She felt nauseous, shaky and weak, teeth chattering, head and nose pressure, throat felt tight and congested. She was not sure if she was going to throw up or pass out. She did not feel well. She went back to the vaccination site and her blood pressure was ok so they did not administer the Epi pen. Instead they gave her Benadryl and observed her for 1 1/2hrs. She experienced recurring smaller allergic reactions over the next couple days. She has taken her Prednisone pills to help.She has an upcoming appointment for allergy testing to some of the vaccine ingredients. The patient experienced recurring smaller allergic reactions beginning on 04May2021 09:45 with outcome of recovering, felt a little unwell  on 04May2021 09:45 with outcome of recovering,  pulse went up to 134bpm on 04May2021 09:45 with outcome of recovering, felt nauseous on 04May2021 09:45 with outcome of recovering, shaky on 04May2021 09:45 with outcome of recovering, weak on 04May2021 09:45 with outcome of recovering, head and nose pressure on 04May2021 09:45 with outcome of recovering, head and nose pressure on 04May2021 09:45 with outcome of recovering, throat felt tight on 04May2021 09:45 with outcome of recovering, congested on 04May2021 09:45 with outcome of recovering, symptoms became rapidly worse  on 04May2021 09:45 with outcome of recovering, teeth chattering on 04May2021 09:45 with outcome of recovering. The patient underwent lab tests and procedures which included heart rate of 65 bpm on 04May2021 and heart rate of 134 bpm on  04May2021.  Therapeutic measures were taken as a result of the events and included Benadryl and prednisone.