as 1st dose was on 04apr and second on 25May; Joint pain in knees and knees were hurting worse; arm to be swollen and hot, just the bump; First dose right arm swollen at injection site; After the first dose, it was just a little bump; This is a spontaneous report from a contactable consumer or other non hcp (patient). A 63-year-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot number: ER8730), dose 1 via an unspecified route of administration, administered in upper right arm (Unable to confirm if given in the muscle) on 04Apr2021 15:00 (age at vaccination 63-year-old) as 1st dose, single dose for covid-19 immunisation.  No additional vaccines were administered on same date of the Pfizer suspect. Medical history included High blood pressure and Allergies. There was no family medical history relevant to AE. Concomitant medications included Bifidobacterium Lactis (PROBIOTIC [BIFIDOBACTERIUM LACTIS]) life pro-biotic (Ultimate Flora Woman's care pro-biotic) taken for pro biotic supplements indication; Hydrochlorothiazide, Lisinopril (LISINOPRIL/HCTZ) taken for High blood pressure, 20/12.5 mg one tablet daily patient had been taking it for 3 years; Oxymetazoline Hydrochloride (CLARITIN ALLERGIC) taken for allergies 10 mg, once daily (taking for 7 years); Fluticasone (FLUTICASONE) taken for allergies 1 spray in each nostril daily as needed (taking for 2 years). Patient was taking a probiotic and also took high blood pressure medication. She asked them before getting the vaccine if that was ok. On 04Apr2021 15:10, the patient experienced right arm swollen at injection site; after the first dose, at 15:15 it was just a little bump and on 05Apr2021 11:00, joint pain in knees and knees were hurting worse. Therapeutic measures were taken as a result of joint pain in knees and knees were hurting worse. After the first dose, it was just a little bump on arm and that went away. After the first dose, she had a little swollen part and when she massaged it for a few days, it went away. After the first injection, it did not hurt at all. Patient did not perform any lab test. Patient also had joint pain in knee and her knees were hurting worse after the first dose. She took medication for pain and it relieved it and she did not feel it anymore. Patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. There were no AE following prior vaccination. Patient would like to know if it was normal for her arm to be swollen and hot, just the bump. Reportedly, patient took second dose of (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot number: EW0191), dose 2 via an unspecified route of administration, administered in upper right arm (Unable to confirm if given in the muscle) on 25May2021 15:00 as 1st dose, single dose for covid-19 immunisation. Patient did not visit to emergency room and physician office. Patient took medication for pain and it relieved it and she did not feel it anymore. No further details provided. No relevant tests were done. The outcome of all events was recovered on unspecified date in Apr2021.  Information on Lot/Batch number was available. Additional information has been requested.