left arm (injection site) is swollen, with pain and red; left arm (injection site) is swollen, with pain and red; left arm (injection site) is swollen, with pain and red; left side of her breast was also sore; swelling extended kind of to 3 inches away from her under arm; pain on her left shoulder blade and back; pain on her left shoulder blade and back; left arm gets stiff from trying to reach; swelling right inside the left elbow area; 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 76 year-old female patient received bnt162b2 (BNT162B2), intramuscular, administered in deltoid left, administration date 30Aug2021 (Batch/Lot number: unknown) at the age of 76 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "High blood pressure", start date: Jul2006 (ongoing); "Muscle stiffness" (unspecified if ongoing); "Pain" (unspecified if ongoing). Concomitant medication(s) included: CYCLOBENZAPRINE taken for musculoskeletal stiffness, pain, start date: 08Sep2021, stop date: 24Sep2021. Vaccination history included: Bnt162b2 (1st dose, Anatomical site of injection: Deltoid left arm, Route of administration: Intramuscular), administration date: 09Aug2021, for COVID-19 immunisation, reaction(s): "tired", "sleepy", "heaviness in the chest", "left arm (injection site) was sore". The following information was reported: VACCINATION SITE SWELLING (non-serious), VACCINATION SITE PAIN (non-serious), VACCINATION SITE ERYTHEMA (non-serious), outcome "recovering" and all described as "left arm (injection site) is swollen, with pain and red"; BREAST PAIN (non-serious), outcome "recovering", described as "left side of her breast was also sore"; SWELLING (non-serious), outcome "recovering", described as "swelling extended kind of to 3 inches away from her under arm"; MUSCULOSKELETAL PAIN (non-serious), BACK PAIN (non-serious), outcome "recovering" and all described as "pain on her left shoulder blade and back"; MUSCULOSKELETAL STIFFNESS (non-serious), outcome "recovering", described as "left arm gets stiff from trying to reach"; JOINT SWELLING (non-serious), outcome "recovering", described as "swelling right inside the left elbow area". The events "left arm (injection site) is swollen, with pain and red", "left arm (injection site) is swollen, with pain and red", "left arm (injection site) is swollen, with pain and red", "left side of her breast was also sore", "swelling extended kind of to 3 inches away from her under arm", "pain on her left shoulder blade and back", "pain on her left shoulder blade and back", "left arm gets stiff from trying to reach" and "swelling right inside the left elbow area" were evaluated at the physician office visit. Therapeutic measures were taken as a result of vaccination site swelling, vaccination site pain, vaccination site erythema, breast pain, swelling, musculoskeletal pain, back pain, musculoskeletal stiffness, joint swelling.  Additional information: Therapeutic measures for the events included placement of heating pad and warm water and unspecified injections.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.