she felt blood flowing into her hands and they turned bright red and were insanely itchy; started to feel her feet start to get crazy itchy and the soles of her feet were bright red and super itchy; on her face around her nose and mouth was bright red and she was breaking out in hives; had hives all over her face, neck and back and started to get a rash all over her body, severely under her arms she had a red rash circles that was crazy itchy; This is a spontaneous report from a contactable consumer. This 46-year-old (age at vaccination) female patient reported for herself that she received the third dose of BNT162B2 (PFIZER-BIONTECH COVID-19 MRNA VACCINE, Solution for injection, Batch/lot number: Not Provided, Is Covid vaccine booster a Pfizer product? Yes, NDC number; not provided, Reason for no lot number of Covid vaccine booster: Caller unwilling to complete the report, expiry date; not provided) via an unspecified route of administration on 13Oct2021 at 09:15 am as DOSE 3 (BOOSTER), SINGLE for covid-19 immunisation. Patient's medical history was not reported. Historical vaccine included dose 1 and dose 2 of BNT162B2 on an unspecified date for covid-19 immunisation. Concomitant medications were not reported. Report 2 of 2 on consumer. Consumer stated that she wanted to report she had gotten and is looking at the agency site, her 3rd shot through work a couple of weeks ago and had some pretty severe, she didn't end up in the hospital, some pretty crazy symptoms. Consumer states she did go running. States she thought she would report because she wishes someone had told her not to go for a jog 8 hours after the shot. Consumer states she got her vaccine about 9:15 am and went for a short jog, about a mile, with her husband about 5:30 pm. Consumer states she was fine all day sitting in her office. States the got back and pressed stop on her heart monitor and fed the cat within 10 seconds of stopping running and she felt blood flowing into her hands and they turned bright red and were insanely itchy. Consumer states she has never experienced this before. Consumer relays her hands were like so itchy and her husband said she might have touched something and to go shower and wash her hands and as she was talking to him she scooped food into the cat bowl, closed the lid and was walking out to the garage after 10 seconds later. States she started to feel her feet start to get crazy itchy and the soles of her feet were bright red and super itchy. Consumer states she went to shower and disrobed and looked in the mirror and on her face around her nose and mouth was bright red and she was breaking out in hives. Consumer states she has never had that in her entire life. Consumer states she had hives all over her face, neck and back and started to get a rash all over her body, severely under her arms she had a red rash circles that was crazy itchy. Consumer states she took 2 Benadryl thinking she was having a reaction and she called her sister who is a nurse and she told her if her airway starts to close to get to the ER. States she told her she shouldn't have run as her system was packed with endorphins already. Consumer states the over the counter Benadryl didn't kick in for a while and she was crazy itchy with hives for an hour or two that evening around 7-8pm.  Consumer states she went to bed and in the morning everything was totally gone. Consumer states her mom said she should have known not to go do anything after she got a shot, that it was 8 hours later and she didn't think about it. States her husband googled it and there are cases of major systemic reactions 4 hours later but hers was set off with running 8 hours later. Consumer states she can't think of anything else, she just put on her shoes and had stayed home all day. Consumer declines to make a report. She declines to provide contact details stating she is a very private person. She states she got the booster on 13Oct2021 and has been fine since. She states she got the Pfizer Covid booster. Declines to provide lot. She states her sister that is a nurse has sent her articles on skin issues with the Covid vaccine. Consumer states she totally supports the vaccine, her daughter is getting hers today and the more we share the better we are, she wouldn't have run had she thought about it. States if someone had said 2 sentenced about take it easy today she would have. Investigation Assessment; Not Provided. The outcome of events was recovered on an unspecified date.   No follow-up attempts are possible; information about lot/batch number cannot be obtained.