Itching after second shot/started on her scalp, then went to her eyes, ears, and around neck; Left arm achiness; Itching after second shot/started on her scalp, then went to her eyes, ears, and around neck; Itching after second shot/started on her scalp, then went to her eyes, ears, and around neck; hyperventilating; This is a spontaneous report from a contactable consumer (patient) via medical information team. A 77-years-old non pregnant female patient received BNT162b2 (Pfizer-BioNTech Covid-19 mRNA Vaccine, Solution for injection, Batch/Lot number: EN6207, Expiration Date: 30Jun2021,  number was unknown) via intramuscular route of administration, administered in left arm on 17Mar2021 at 10:30 hours, as dose 2, single (at the age of 77 years old) for COVID-19 immunisation. Patient medical history included cyst on kidneys from 2010 to an unknown date, always had allergies (unspecified), high blood pressure and elevated lipids (all from an unknown date and unknown if ongoing). Patient had no relevant family medical history. Historical vaccine included patient received BNT162b2 (Pfizer-BioNTech Covid-19 mRNA Vaccine, Solution for injection, Batch/Lot number: EN6203, Expiration Date and NDC number was unknown) via intramuscular route of administration, administered in left arm on 24Feb202, as dose 1, single (at the age of 77 years old) for COVID-19 immunisation and experienced itching the entire day after first shot and it went away and Flu vaccine 20 years ago, patient stopped taking it, but in the past 2 years, patient decided to take it to had protection. Concomitant medications included valsartan taken for high blood pressure, start and stop date were not reported (1998 or something like that); spironolactone taken for high blood pressure from 2010 to an unspecified stop date; atorvastatin (Lipitor) taken for elevated lipids from 2004 to an unspecified stop date. Patient took blood pressure medication which she took prior to getting the vaccine. Patient had Benadryl prior to getting it because she knew she had a reaction the first time. On 17Mar2021 at 18:30 hours, patient had itching after second shot/had a lot of itching, it started on her scalp, then went to her eyes, ears, and around neck and hyperventilating. Patient stated that it does not begin until after 5-6 hours after receiving the shot. It was kind of annoying. Patient stated that sometimes it feels like something was crawling on her skin. Patient thought it would have subsided, but it had not. Patient was still scratching her scalp and on the same day (late in afternoon), at 18:30 hours, patient left arm achiness began. Patient stated that it was subsiding, and she would rub it. Patient would like to know if she can take Zyrtec to help with the itching. Patient does not know if it was relevant. It could be interacting with someone, but she does not because she was not medical. They were in a pharmacy bottle with no lot or expiration. Patient had no emergency room and physician's office visit for the events. No relevant test was performed. Therapeutic measures were taken as a result of Itching after second shot/started on her scalp, then went to her eyes, ears, and around neck and hyperventilating, treatment included gave her Benadryl. The outcome of left arm achiness was recovering, unknown for hyperventilating and not recovered for rest of the events  No follow-up attempts are possible. No further information is expected.