nausea; headache; tiredness; not feeling good; This is a spontaneous report from a contactable consumer or other non hcp.   An 84-years-old female patient received bnt162b2 (BNT162B2 PFIZER-BIONTECH COVID-19 MRNA VACCINE; Solution for injection (Batch/Lot Number: EN6200), dose 2 via an unspecified route of administration on 12Feb2021 as dose 2, single dose for covid-19 immunisation. Medical history included; ongoing mast cell activation syndrome diagnosed about 2 years ago. There were no concomitant medications. It was Reported that, the patient experienced On 10Feb2021, event nausea was recovering, other events headache was recovered on unknown date and fatigue was not recovered, event not feeling Good was unknown.  Therapeutic measures were taken as a result of headache (headache).  She says her nausea was beginning Tuesday, 16Feb and is ongoing for her. The nausea the caller is experiencing is not worsened, it comes and goes in waves, it is hard to say it might have improved a little. She is sure it has because she is eating better.She had headache beginning Tuesday that is better. She had the headache all day Tuesday she took Tylenol but she knows in the night she tries not to take anything but she took another 2 Tylenol. She thinks it was gone by Wednesday morning if she did have it, it wasn't real bad because she didn't take any thing Wednesday morning. No further information provided.The caller's tiredness began Tuesday that is kind ongoing. She 84 so for her it is like tiredness and it is hard to tell about that but she does not think it has worsened she would say its about the same. Her first dose from Jan, the lot number is EL9261. The second one says EN6200. She does not see an expiration date. There is nothing but print, nothing anyone wrote. All they have is the product name, there is a barcode under the lot number and it says Pfizer BioNtech under the barcode. Above the lot number it says COVID 19 vaccine. She does not see NDC number.Dose: Unknown to the caller. She did ask the nurse when she went for the second dose she did not see any thing reading about it so she asked is the second dose, the booster, the same amount as the first dose and she said absolutely but they did not tell her how much it was.She does mast cell activation syndrome and she questioned if it would prevent her from getting vaccine but she thinks she did alright. She was diagnosed with that about 2 years ago now and it is ongoing. With mast cell activation there are a lot of these symptoms that she gets anyway she is more concerned about friend, she keeps saying it is her friend but it is actually her daughter. She says she waited over an hour she understands, thank God for the vaccine. She knows people have questions and she is not complaining but she doesn't think she would wait another hour. Caller reporting her expiring after the Pfizer COVID 19 vaccine. She had headache beginning Tuesday that is better. She had the headache all day Tuesday she took Tylenol but she knows in the night she tries not to take anything but she took another 2 Tylenol. She thinks it was gone by Wednesday morning if she did have it, it wasn't real bad because she didn't take anything Wednesday morning. No further information provided.  Follow-up (18Feb2021): This is a follow-up spontaneous report from a contactable consumer. This 84-year-old consumer (mother) reported information included.  No follow-up attempts are possible. No further information is expected.