The booster shot give me a red rash on my entire left arm in which I had gotten the shot; then every bone in my body hurt; I could not move or stand I was so weak; I was so weak; I was in bed for 3 straight days; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 80 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date Sep2021 (Lot number: FF2589) as dose 3, single for covid-19 immunisation. Relevant medical history included: "Rocky Mountain Spotted Fever", start date: 1968 (unspecified if ongoing); "Maglient Melanama", start date: 1999 (unspecified if ongoing); "Gall bladder removal", start date: 2001 (unspecified if ongoing). Concomitant medication(s) included: ZESTRIL; TOPROL XL; MECLIZINE HCL; FLUTICASONE. Past drug history included: Biaxin, reaction(s): "known allergies;Biaxin"; Clonidine, reaction(s): "known allergies;Clonidine"; Doxycycline, reaction(s): "known allergies;Doxcycline"; Erthromycin, reaction(s): "known allergies;Erthromycin"; Foxamas, reaction(s): "known allergies;Foxamas"; Manice, reaction(s): "known allergies;Manice"; Minacyoline, reaction(s): "known allergies;Minacyoline"; Nifedipine, reaction(s): "known allergies;Nifedipine"; Niacin, reaction(s): "known allergies;Niacin"; Sular, reaction(s): "known allergies;Sular". Vaccination history included: Bnt162b2 (Dose 1, single, Prev dose Brand: Pfizer, Prev dose Lot number: EL9261, Prev dose Administration time: 02:00 PM, Prev dose Vaccine location: Left arm), administration date: Jan2021, for COVID-19 immunization; Bnt162b2 (Dose 2, single, Prev dose Brand: Pfizer, Prev dose Lot number: EN6200, Prev dose Administration time: 01:00 PM, Prev dose Vaccine location: Left arm), administration date: Feb2021, for COVID-19 immunization. The following information was reported: RASH ERYTHEMATOUS (non-serious) with onset 28Sep2021 07:00, outcome "recovered" (Oct2021), described as "The booster shot give me a red rash on my entire left arm in which I had gotten the shot"; BONE PAIN (non-serious) with onset 28Sep2021 07:00, outcome "recovered" (Oct2021), described as "then every bone in my body hurt"; MOVEMENT DISORDER (non-serious) with onset 28Sep2021 07:00, outcome "recovered" (Oct2021), described as "I could not move or stand I was so weak"; ASTHENIA (non-serious) with onset 28Sep2021 07:00, outcome "recovered" (Oct2021), described as "I was so weak"; BEDRIDDEN (non-serious) with onset 28Sep2021 07:00, outcome "recovered" (Oct2021), described as "I was in bed for 3 straight days". Therapeutic measures were not taken as a result of rash erythematous, bone pain, movement disorder, asthenia, bedridden.  Additional information: The patient had received on other vaccine within four weeks. Prior to vaccination the patient had no COVID, and not tested for COVID post vaccination. it was reported that the first 2 shots did not cause any reactions. The booster shot gave a red rash on entire left arm in which she had gotten the shot. After 4 days the rash cleared up, then every bone in her body hurt and she was in bed for 3 straight days. She could not move or stand she was so weak. On 4Oct2021 when she awoke everything was back to normal but slowly. So the booster shot put her out of commission for one week.  Follow-up (14Oct2021): Follow-up attempts are completed. No further information is expected.