With my second shot I had the same exact symptoms--I ended up with a fever later; headache; chills; sick; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team for a Pfizer sponsored program. The reporter is the patient.  A 69 year-old female patient received bnt162b2 (BNT162B2), administration date 01Feb2021 (Batch/Lot number: unknown) as dose 2, single for covid-19 immunisation. Relevant medical history included: "High blood pressure" (unspecified if ongoing); "High cholesterol" (unspecified if ongoing); "Low platelet count" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE), for Covid-19 immunization. The following information was reported: PYREXIA (non-serious), outcome "unknown", described as "With my second shot I had the same exact symptoms--I ended up with a fever later"; HEADACHE (non-serious), outcome "unknown", described as "headache"; CHILLS (non-serious), outcome "unknown", described as "chills"; ILLNESS (non-serious), outcome "unknown", described as "sick". Relevant laboratory tests and procedures are available in the appropriate section.  Additional Information: Patient states she got a third shot that she needed because she has an autoimmune disease. She got it Wednesday (08Sep) in the morning and by the evening she had a headache. she took an Excedrin and went to bed then at 2 in the morning she had chills. The scanner thermometer said she didn't have a fever but she think she did. she took 2 Tylenol then and then at 10 in the morning, still feeling like garbage she took 2 more Tylenol and then at 12:30 in the afternoon she still got a fever of 101F and a headache then the Tylenol never touched it. So she took 2 ibuprofen and that seemed to bring it right down she was good the rest of the day, all day yesterday she was good even into the evening. With second shot had the same exact symptoms ended up with a fever later that night which would have been last night, but last night she did not but today she got up and had a 99.2F which she know is technically not a fever but that's not normal for me and this afternoon its been up around 100F so I don't understand, that's 2 days now. She went out and ran some errands. Ibuprofen seemed to help and she was okay most of the night she checked temperature it was back to normal 97 something. Her hematologist told because of a low platelet count that when she get third dose she could be sicker than she was with the second it's taken her 2 days to recover. She just wanted to make sure this is normal. She tried calling her, but she's on vacation. She did get 3 doses including the booster dose of the Pfizer Covid19 vaccine and she got this, Last Wednesday, Morning and she mentioned that, On that same evening, She experienced chills, Fever and headache. She also mentioned that, This is a similar side effect, Which she experience after the second dose of the vaccine and she provided me a number of medication that, She start taking in. I was not able to take note of everything. I apologize so, One medication is Tylenol (Treatment) and I think she also mentioned Ibuprofen (Treatment) and Aceterin (Treatment; as per the verbatim) and she provided me few temperature regarding, Her fever. You might want to you also double check with this because I wasn't able to get that, In the correct order but I was able to get 100 degrees Fahrenheit yesterday. It went up to 101 F and earlier, Previously, It's 91.1 and its now back to 100 Fahrenheit and she is still feeling a bit of headache. She did also state, She has a condition with her immune system. She has a low Platelet count (History)."    The lot number for the vaccine, [BNT162B2] was not provided and will be requested during follow-up.