She had a little sore arm; This is a spontaneous report from a contactable consumer (patient). A 70-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot Number: EL9262; Expiration Date: 31May2021), dose 1 via an unspecified route of administration, administered in Arm Right on 21Jan2021 08:15, as 1ST DOSE, SINGLE for Covid-19 immunization. Medical history included hysterectomy (Age 36 when had it, she is 70 now). The patients concomitant medications were not reported. Second dose of bnt162b2, (Batch/Lot Number: EN6201; Expiration Date: 30Jun2021), via an unspecified route of administration, administered in Arm Right, on 10Feb2021 11:30 as 2ND DOSE, SINGLE for covid-19 immunization. On an unspecified date, the patient experienced she had a little sore arm. Outcome of the event was unknown.  Additional Context: She got her First Dose on 21Jan2021 at 8:15AM. Her Second Dose was on 10Feb2021 at about 11:30AM at same place. She had a little sore arm, just a tad bit end of a little, She had it on the first dose a bit. Then on Wednesday she got home at 12:45, and she drank a lot of water, more than typically, she had 2-3 glasses, On Thursday it was normal, during the day she drank water and coffee all was fine. On 11Feb2021 she had the joint pain and muscle aches, nothing outstanding. On 12Feb2021 is when sweats started. She slept early because she was not well, she got up at 1AM had a piece of cheese went back to bed still sweating. She got the second dose of the Covid vaccine on Wednesday 10Feb2021, then yesterday she got aches and pain and they were not severe, then last night she broke out in a sweat and chills. She was curious if breaking out in sweats was reported. agent informed her that it was not. Her temperature was not feverish, she took a temperature 48 minutes ago and it was 97 degrees Fahrenheit, she also uses a steroid cream. Caller confirms information provided by the transferring agent. There was the day of the shot Wednesday. Then Thursday she drank water all day, then yesterday morning she did also exercise, then at 12 noon she started getting joint muscle pain, she knows this was expected, she ate and was not nauseated, her arm didn't hurt like other shots, then 3 o clock at night she had the sweats, she changed her night gown and she did still sweat a little more, she got up a quarter to 6, and had some chills and wasn't feeling the greatest. Caller stats that there was nothing about the sweats on the paperwork. She hasn't been to doctor though in year and a half. Her doctor was not notified of this situation. When queried if her adverse events were ongoing, she replies that she doesn't have body aches, but she is almost 71 now, and when she was 36 she had a total hysterectomy, and now she is on a vaginal estrogen cream, it does keep her warm all the time, like even when she has her cup of coffee she will sweat a little and that's normal for her, but this sweating was more than normal. She is feeling nothing abnormal at the moment. Concomitant Medications: Caller clarified that the name of Steroid Cream is Estrace Vaginal Estrogen Cream, she clarifies that it is actually a compound. She goes to pharmacy that's a compounding company. She got this last tube in Dec2020. She provides Lot 12022020 Exp 03May2021, caller states that she is still allowed to use it after the expiry date, it can actually go long enough. Caller states that it actually says Estradiol. When she goes to pharmaceutical compounding, they just put a label on top. It actually says 30mL estradiol Estrace cream. She gets it compounded because its cheaper. Caller states that she does experience shortness of breath when using the cream, she gets it periodically, but she wasn't expecting these symptoms. Investigation: She has had no labs since about 2 years ago in Jun2019. She has not had any vaccines  at the same time as the Covid shot, or in the last 4 weeks, caller states that actually doesn't even get flu shots or anything. She has had no Emergency room visit, or physician office visit because of this, if it persist she may tell her doctor. Caller states that when she got the shot, it happened yesterday where she was not quite expecting sweats reaction. Caller states that it could be related to her being on estrogen. 2 years ago when her husband and her got sick, in the time frame, and she did the same using a prescription from CVS and she had the sweats and had to change her nightgown, but that was in 2019. Caller states that if it continues till Saturday she will tell her doctor, she did not expect the side effect of sweats, it was not on the paper she was reading, she read this can last 2 days, she had no temperature. This was not on the list.