having had a hard time sleeping last night; caller states that the ache went into her knee and into thigh yesterday 08Apr2021 and then into buttocks last night 08Apr2021; caller states that the ache went into her knee and into thigh yesterday 08Apr2021 and then into buttocks last night 08Apr2021; aching in left ankle, calf/leg,thigh and buttock; Caller states that the ache started kind of down in the ankle with burning.; Caller states that she can't tell if it is bone or muscle pain, but she is assuming it is in the muscle.; 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 83 year-old female patient received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 05Apr2021 (Lot number: EN6206) at the age of 83 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "kidney failure 49%" (unspecified if ongoing), notes: Verbatim: kidney failure 49%; "neuropathy in both feet" (unspecified if ongoing), notes: Verbatim: neuropathy in both feet. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (1st dose, Batch/lot number: ER8737, Time the Vaccination Was Given: 11:15 AM, Vaccine Lot Expire Date: 31Jul2021), administration date: 08Mar2021, when the patient was 83 years old, for COVID-19 immunization. The following information was reported: PAIN (non-serious) with onset 06Apr2021, outcome "recovering", described as "aching in left ankle, calf/leg,thigh and buttock"; SLEEP DISORDER (non-serious) with onset 08Apr2021, outcome "unknown", described as "having had a hard time sleeping last night"; BURNING SENSATION (non-serious) with onset Apr2021, outcome "unknown", described as "Caller states that the ache started kind of down in the ankle with burning."; MYALGIA (non-serious) with onset Apr2021, outcome "unknown", described as "Caller states that she can't tell if it is bone or muscle pain, but she is assuming it is in the muscle."; PAIN IN EXTREMITY (non-serious), MUSCULOSKELETAL PAIN (non-serious) all with onset 08Apr2021, outcome "unknown" and all described as "caller states that the ache went into her knee and into thigh yesterday 08Apr2021 and then into buttocks last night 08Apr2021". Therapeutic measures were taken as a result of pain, sleep disorder, burning sensation, myalgia. Additional information:Tuesday her legs started aching. The pain moved up to her knees by Wednesday. Then on Thursday the pain had moved up to her buttocks. Patient states that the kidney failure has been going on for years. Caller reports that her doctor just keeps checking it and it has been stable since 2016. The percentage of the kidney failure hasn't gone down any more.Additional Information for Other Conditions: probably diagnosed at the turn of the century, it has been 20 years or so.On Tuesday 06Apr2021, Patient reports having aching in left legs and ankles, it is just an aching feeling. By Thursday 08Apr2021, the ache had gotten up to the buttocks, calf, knee, left shoulder and left leg. Clarified with patient that left ankle, calf/leg, knee, thigh and buttock are achy.Patient states having had a hard time sleeping last night 08Apr2021. Patient states that she took a sleeping pill about 4:00AM this morning 09Apr2021 to help with sleep. Patient reports that she doesn't know what to do other than to take Tylenol. Caller is asking for more information about side effects.Patient reports having an ache, and that she can't sit down for long because of the achy feeling and it aches when walking. Patient states that she can't tell if it is bone or muscle pain, but she is assuming it is in the muscle. Patient reports that she noticed the aching Tuesday 06Apr2021 and also states that the ache started kind of down in the ankle with burning. Tuesday 06Apr2021, the aching started going up into her leg and calf, on the left side of the calf. patient reports that she rubbed some oil on it so she could sleep. On Wednesday 07Apr2021, patinet states that the ache went into her knee and into thigh yesterday 08Apr2021 and then into buttocks last night 08Apr2021. Prior Vaccinations (within 4 weeks)If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccines was none.AE(s) following prior vaccinations was none .Family Medical History Relevant to AE(S) was None No follow-up attempts are possible. No further information is expected.