I had the Flu shot done in my left arm the same day; I had the Flu shot done in my left arm the same day; I could not go to sleep; injection site pain / my right arm started hurting; muscle pain; chills; joint pain; I was really hurting; shaking; I had the fever; fever was a 102; injection site swelling; arm pain; The initial case was missing the following minimum criteria: unspecified adverse event. Upon receipt of follow-up information on 19Dec2022, this case now contains all required information to be considered valid.  This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 68-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 16Dec2022 as dose number unknown (booster), single (Lot number: GL0446) at the age of 68 years, in right arm for covid-19 immunisation; influenza vaccine (INFLUENZA VACCINE), on 16Dec2022 as dose number unknown, single (Batch/Lot number: unknown), in left arm for immunisation. The patient's relevant medical history included: "blood pressure" (unspecified if ongoing). Concomitant medication(s) included: LISINOPRIL taken for blood pressure abnormal; VERAPAMIL taken for blood pressure abnormal; COREG taken for blood pressure abnormal. Vaccination history included: Covid-19 vaccine (Primary Immunization series complete;  unknown manufacturer), for Covid-19 immunization. The following information was reported: INSOMNIA (non-serious) with onset Dec2022, outcome "recovering", described as "I could not go to sleep"; PYREXIA (non-serious) with onset Dec2022, outcome "recovering", described as "I had the fever; fever was a 102"; PAIN (non-serious) with onset Dec2022, outcome "recovering", described as "I was really hurting"; PAIN IN EXTREMITY (non-serious) with onset Dec2022, outcome "recovering", described as "arm pain"; CHILLS (non-serious) with onset Dec2022, outcome "recovering"; VACCINATION SITE PAIN (non-serious) with onset Dec2022, outcome "recovering", described as "injection site pain / my right arm started hurting"; VACCINATION SITE SWELLING (non-serious) with onset Dec2022, outcome "recovering", described as "injection site swelling"; ARTHRALGIA (non-serious) with onset Dec2022, outcome "recovering", described as "joint pain"; MYALGIA (non-serious) with onset Dec2022, outcome "recovering", described as "muscle pain"; TREMOR (non-serious) with onset Dec2022, outcome "recovering", described as "shaking"; OFF LABEL USE (non-serious), PRODUCT USE ISSUE (non-serious) all with onset 16Dec2022, outcome "unknown" and all described as "I had the Flu shot done in my left arm the same day". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of vaccination site pain, pain, vaccination site swelling, pain in extremity.  Additional information: It was reported that there was some side effects from a Pfizer vaccination the patient received on Friday (16Dec2022). She mentioned this was the new booster from Pfizer. Patient also had the flu shot (unspecified) done in her left arm the same day. It was further reported that patient could not go to sleep. She was trying to lay down around 12 and that is when she started, her right arm started hurting and she put alcohol on the site where she had the shot. Then it just kept hurting and she could not go to sleep and it just kept hurting so, she got a heating pad and she put it underneath her armpit and patient started shaking. She had chills, she turned her heater up to like 78 and she do not ever put it that high because that is too high for her but she was having chills and then she put her temp and it was 102, patient took it on her forehead. Patient had a thermometer that check it on the forehead. Patient also narrate that, she had just thought that the things that she experienced that night with the injection site pain and then the muscle pain and then certain had of them that she had that night which is the chills and the joint pain because patient was really hurting and then she had the fever and then the injection site swelling and then the arm pain. Patient had a heating pad just to get her body warm but she drank a bottle of water when she started feeling a little bit better and then this the heating pad cut off so she did not use that again so. Patient just stayed up for the rest of the morning like 4 or something. Patient was still up because and had to get up and drive somebody at 5 in the morning. Patient was up all day but she was feeling a whole lot better today (19Dec2022). Patient's body was feeling back to normal at the day of report. She did not go to the hospital, she probably should have when her fever was a 102 but she did not go. She just tried to be at home and tried to get some relief. All she can do is wrap up in a blanket and just try to deal with it but if that hack did not work, she would have went to the hospital.