fever; pain in right hip; pain in right hip area and right groin and thigh; pain in right hip area and right groin and thigh; could not lift my right leg; aggregation to my hip and groin basically; flare up to my s ostoarthritus; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 85 year-old male patient received bnt162b2 (BNT162B2), administration date 20Oct2021 14:00 (Lot number: FE3590) at the age of 85 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "COPD" (unspecified if ongoing), notes: Other medical history: COPD, MDS on chemo for MDS, Smoldering myeloma; "MDS on chemo for MDS" (unspecified if ongoing), notes: Other medical history: COPD, MDS on chemo for MDS, Smoldering myeloma; "Smoldering myeloma" (unspecified if ongoing), notes: Other medical history: COPD, MDS on chemo for MDS, Smoldering myeloma; "Known Allergy: sulfa drugs" (unspecified if ongoing), notes: Known Allergy: sulfa drugs; "MDS on chemo for" (unspecified if ongoing), notes: Other medical history: COPD, MDS on chemo for MDS, Smoldering myeloma. Concomitant medication(s) included: ASPRIN; POLYETHYLENE GLYCOL [MACROGOL]; SIM. Vaccination history included: Bnt162b2 (Dose Number: 1, Prev dose product=COVID 19, Prev dose brand=Pfizer EL3247, Prev dose brand unknown=False, Prev dose lot number= EL3247, Prev dose lot unknown=False, Prev dose administration date=23Jan2021, Prev dose dose number=1, Prev dose vaccine location=Left arm), administration date: 23Jan2021, when the patient was 85 years old, for Covid-19 immunization; Bnt162b2 (Dose Number: 2, Prev dose product=COVID 19, Prev dose brand=Pfizer Em9810, Prev dose brand unknown=False, Prev dose lot number=Em9810, Prev dose lot unknown=False, Prev dose administration date=15Feb2021, Prev dose dose number=2, Prev dose vaccine location=Left arm), administration date: 15Feb2021, when the patient was 85 years old, for Covid-19 immunization. The following information was reported: PYREXIA (non-serious) with onset 21Oct2021 12:00, outcome "unknown", described as "fever"; ARTHRALGIA (non-serious) with onset 21Oct2021 12:00, outcome "unknown", described as "pain in right hip"; GROIN PAIN (non-serious), PAIN IN EXTREMITY (non-serious) all with onset 21Oct2021 12:00, outcome "unknown" and all described as "pain in right hip area and right groin and thigh"; GAIT DISTURBANCE (non-serious) with onset 21Oct2021 12:00, outcome "unknown", described as "could not lift my right leg"; CONDITION AGGRAVATED (non-serious) with onset 21Oct2021 12:00, outcome "unknown", described as "aggregation to my hip and groin basically"; OSTEOARTHRITIS (non-serious) with onset 21Oct2021 12:00, outcome "unknown", described as "flare up to my s ostoarthritus". The events "fever", "pain in right hip area and right groin and thigh", "could not lift my right leg", "aggregation to my hip and groin basically" and "flare up to my s ostoarthritus" were evaluated at the emergency room visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of pyrexia, arthralgia, groin pain, pain in extremity, gait disturbance, condition aggravated, osteoarthritis. Additional information: No other vaccine in four weeks. The last shot taken last Wednesday, made him run a fever of 100.2 for three to four nights, horrible pain in right hip area and right groin and thigh so bad he could not lift his right leg and could barely walk. His doctor sent him to emergency room for a test to see if he had blood clot in leg or groin, did not, they did say he had and they and his doctor concluded the covid shot caused aggregation to his hip and groin basically a flare up to his osteoarthritis. No covid prior vaccination. Covid tested post vaccination, covid test type post vaccination was nasal swab on 25Oct2021, covid test result was negative.  No follow-up attempts are possible. No further information is expected.