Hives on left arm and both upper legs; she felt dizzy two days after first dose; itchiness; hot feeling; bump on arm injection site; bump on arm injection site and on upper leg; This is a spontaneous report from a contactable consumer (patient) via medical information team.  A 34-years-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Lot Number: EW0179, Expiry date: unknown), via intramuscularly in left arm on 05May2021 17:45 (at the age of 34 years old) as dose 1, single for covid-19 immunization. Patients medical history included she was diagnosed with allergies, compromised immune status, respiratory illness, genetic /chromosomal abnormalities, endocrine abnormalities (including diabetes) and obesity: Fibroids and ovarian cyst all diagnosed Jan 2021, patients family medical history included, her mother was in remission from breast cancer. Patients concomitant medication included Megestrol Acetate taken orally at 20 mg once a day for micro fibrosis and ovarian cyst, she also said that she was menstruating at the time when she received the vaccine. She received her first dose of Pfizer-Biontech Covid19 vaccine 05May2021. She experienced a delayed reaction, which included hives on her injection arm and bilateral upper legs on 07May2021, itchiness, and a hot feeling that wasn't a fever and she was scheduled to receive her second dose on 26May2021. She experienced side effects include bump on arm injection site and on upper leg on an unknown date in May2021. It was gone now. Also, she felt dizzy two days after first dose. She felt real hot but did not had a fever. It looked like hives on left arm. To her it looked like them. It was small bumps that were slightly raised. It was not that noticeable. She just felt when she rubbed her hand over it. It was also on both upper legs. Patient also stated she did not have dizziness. She was hot the day of and the day after from 05May2021 to 06May2021. The following day was when she had the itchiness from to 06May2021 to 07May2021. She had not taken anything that day but had older medication in her system, which she did report when she went to get shot. It was the Megestrol Acetate. She was also scheduled for a surgery during the first week of June to remove cysts and fibroids, she would have to be put under. She is not sure what other medication they are using. She wants to make sure that that medication will not affect anything or that the vaccine will not affect anything. She experienced adverse events after her first dose and was nervous about the second dose being so close to her surgery. She queried about whether she can still have her surgery as scheduled, She has an operation coming up first week of Jun 2021, to get cyst and fibroids removed. She would have to be put under. She was not sure what other medication they are using. She wants to make sure that that medication will not affect anything or that the vaccine will not affect anything. Second dose was scheduled for 26May2021. She had a pre-op for surgery the day before. There were no additional vaccines administered on same date of the Pfizer suspect, there were no prior vaccinations (within 4 weeks) and no adverse events following prior vaccinations. Outcome of events felt hot and itchy was recovered and hives was unknown.  No follow-up attempts needed. No further information is expected.