But she is sweaty; Feeling icky; Headache; Chills; Tired; Muscle aches; Left arm is a little sore/ just at the spot where she got the shot; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 78 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 31Mar2022 10:30 (Lot number: 097-430, Expiration Date: 21Apr2022) at the age of 78 years as dose 4 (booster), single for covid-19 immunisation. Relevant medical history included: "Hypothyroidism", start date: 1987 (unspecified if ongoing), notes: Hypothyroidism Diagnosed years ago, around 1987.; "High cholesterol" (unspecified if ongoing), notes: High cholesterol; "LDL was high" (unspecified if ongoing), notes: LDL was high. Concomitant medication(s) included: LEVOTHYROXINE taken for hypothyroidism; CRESTOR taken for low density lipoprotein increased. Vaccination history included: Bnt162b2 (Dose 1, Lot: EL3247, Expiration: unknown, She had no reaction to the first three doses), administration date: 22Jan2021, when the patient was 77 years old, for Covid-19 Immunization, reaction(s): "She had no reaction to the first three doses"; Bnt162b2 (Dose 2, Lot: EN6201, Expiration: unknown, She had no reaction to the first three doses), administration date: 13Feb2021, when the patient was 77 years old, for Covid-19 Immunization, reaction(s): "She had no reaction to the first three doses"; Bnt162b2 (Dose 3, Lot: 097-430, Expiration: Oct2023 , Dose: 1cc injection into left arm), administration date: 24Sep2021, when the patient was 77 years old, for Covid-19 Immunization, reaction(s): "Sweaty", "Caller mentioned that she started taking "-statin, which is a generic for Crestor" after the third dose"; Yellow fever vaccine (Clarifies no event with yellow fever vaccine. Yellow Fever Vaccine in the 70s), for Immunization, reaction(s): "no event with yellow fever vaccine"; Cholera vaccine (Has had cholera vaccine with no reactions.), for Immunization, reaction(s): "cholera vaccine with no reactions"; Typhoid vaccine (Typhoid and paratyphoid vaccines without reaction.), for Immunization, reaction(s): "Typhoid and paratyphoid vaccines without reaction."; Paratyphoid vaccine (Typhoid and paratyphoid vaccines without reaction.), for Immunization, reaction(s): "Typhoid and paratyphoid vaccines without reaction."; Flu shot (No reactions to the flu shot), administration date: Sep2021, when the patient was 77 years old, for Immunization, reaction(s): "No reactions to the flu shot". The following information was reported: HYPERHIDROSIS (non-serious) with onset 31Mar2022, outcome "recovering", described as "But she is sweaty"; MALAISE (non-serious) with onset 31Mar2022, outcome "recovering", described as "Feeling icky"; HEADACHE (non-serious) with onset 31Mar2022, outcome "recovering", described as "Headache"; CHILLS (non-serious) with onset 31Mar2022, outcome "recovering", described as "Chills"; FATIGUE (non-serious) with onset 31Mar2022, outcome "recovering", described as "Tired"; MYALGIA (non-serious) with onset 31Mar2022, outcome "recovering", described as "Muscle aches"; VACCINATION SITE PAIN (non-serious) with onset 31Mar2022, outcome "recovering", described as "Left arm is a little sore/ just at the spot where she got the shot". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of hyperhidrosis, malaise, headache, chills, fatigue, myalgia, vaccination site pain.  Additional information: Caller stated that "she received her 4th dose yesterday, 31Mar." Caller also stated that she is calling to ask if anyone experienced this or have reported the following: "itchy, headache, chill, feeling tired, muscle ache/pain at the arm, sore at the injection site." Caller mentioned that she started taking "statin, which is a generic for Crestor" after the third dose; however, caller cannot verify the exact date as she mentioned she cannot exactly remember it but she also mentioned that she is taking "5mg and was increased to 10mg before the first booster." Caller also mentioned "Nov" but she cannot confirm this information. Caller wants to know if taking "statin" is related to the COVID vaccine. Caller stated that she "feel a little better, but she is sweaty" and "just want to let Pfizer know that she experienced this". After providing response about the potential interaction of "Crestor and/or -statins", caller mentioned that "it is just a minor side effect and it's probably too early to know if there are reported side effects from the second booster dose." Caller also stated that she have already read information about the side effect from the internet. Additional Context: Caller was looking online for peoples experiences after the fourth dose of the Pfizer vaccine. She had no reaction to the first three doses, her arm wasn't even sore. Through the whole pandemic she has traveled. she has been exposed, wears a mask. She got the shot yesterday, the fourth dose, and started feeling icky. She had a headache, chills, tired, muscle aches, and her left arm is a little sore. She was surprised, she wouldn't have known she had the other shots, so thrown for a loop, she didn't not feel great. She doesn't have a fever but is chilled. She did not take her temperature. Her husband just got his fourth dose today. Maybe because she had the others before and the fourth dose put her over the top.  Might be too early since other people are just getting the fourth shot, Pfizer might not know yet. Events reported as she was perspiring, sweating. Other symptoms started last night around 2000 or 2100. Got the shot at 1030 yesterday. she didn't take anything as treatment, she wasn't sure if she should or not. Currently she was not chilled but perspiring, chills are intermittent, better now. She just felt not great. Arm soreness isn't bad at all, just at the spot where she got the shot. Concomitant Products reported as she was put on a statin, not sure if she was on the statin for the first shot, doesn't think so, her other doctor retired in Dec2020, and then she started getting the covid vaccine. She saw the doctor in Sep2021, not sure when she started taking a statin. This is the only medication added after the first 3 shots. Her old doctor didn't think she needed a statin. But the new doctor started her on it. Clarifies the statin as a Generic for Crestor, increased the dose to 10mg, takes the Generic for Crestor every morning, by mouth. She started on a low dose, her doctor wanted the LDL lower so she increased the dose.  The caller just can't remember when she started taking the Generic for Crestor, might have been after the first three shots, not sure why it would make a difference. Definitely had not started the Generic for Crestor before the first two shots. Her HDL was excellent and triglycerides were good. Her original doctor wasn't concerned. She doesn't think she has been on the Generic for Crestor for over a year. Caller states she has traveled a lot, has had a lot of vaccines. No Additional Vaccines Administered on Same Date of the Pfizer Suspect. Adverse Event (AE) Details included onset times of events experienced (24-hour clock). Started feeling icky at around 2000 or 2100. headache at around 2000 or 2100. chills at around 2000 or 2100. tired at around 2000 or 2100. muscle aches at around 2000 or 2100. left arm is a little sore at around 2000 or 2100. Did not require a visit to Emergency Room or Physician Office. No Prior Vaccinations (within 4 weeks) / other vaccinations within four weeks prior to the first administration date of the suspect vaccine. No AE(s) following prior vaccinations. They did a test prior to the receiving the Yellow Fever Vaccine in the 70s, the sensitivity was serious, but they still gave her the vaccine, no ndc/lot/expiration. Might have her yellow book but not handy. Has had cholera vaccine with no reactions. Typhoid and paratyphoid vaccines without reaction. Clarifies no event with yellow fever vaccine. Flu shot, received last Sep2021, ndc/lot/expiration unknown, received at  the doctors office before the third dose, does not have paperwork, got the high dose flu shot. No reactions to the flu shot. Family Medical History Relevant to AE(s) was reported as none. No Relevant Tests done. She felt better after sitting and talking. The (withheld) Pharmacy would know when she started taking the stat in, it might have been after receiving the third Pfizer Covid vaccine, less than a year, might be the only difference in what  she is taking. Prior to transfer caller states she was looking for when she started the stat in, she can't find the paperwork, wasn't until after the third shot, a new thing, maybe around the same time as the third dose, in November was when she up to the bigger dose. She was on the 5mg, now taking 10mg. No follow-up attempts are possible. No further information is expected.