hard time walking; tiredness; foot swollen; foot hot to touch; Since receiving the vaccine she has been sleeping a lot for about 3 days; Foot pain; foot redness; This is a spontaneous report from a contactable consumer. A 77-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Batch/Lot number: EL9261)via an unspecified route of administration, administered in Left Arm on 02Feb2021 at 12:00 (at the age of 77-years-old) as DOSE 1, SINGLE for COVID-19 immunization. The patient's medical history included parkinson's disease, transient ischaemic attack, hypersensitivity, sinus disorder, Cardiac disorder, vaginal infection, pain, incontinence, antidepressant therapy, hallucination, unspecified vitamin D deficiency. No relevant tests done. The concomitant medications included ongoing estradiol (ESTRACE VAGINAL) taken for vaginal infection from 2019, ongoing colecalciferol (VITAMIN D 3) taken for vitamin d deficiency, ongoing pimavanserin tartrate (NUPLAZID) taken for hallucination from 05Feb2021,ongoing venlafaxine (VENLAFAXINE) taken for antidepressant therapy, ongoing carbidopa, levodopa (RYTARY) taken for parkinson's disease, ongoing mirabegron (MYRBETRIQ) taken for incontinence, ongoing atorvastatin calcium (ATORVASTATIN CALCIUM) taken for cardiac disorder, ongoing aspirin [acetylsalicylic acid] (ASPIRIN [ACETYLSALICYLIC ACID]) taken for transient ischaemic attack ,ongoing clopidogrel bisulfate (CLOPIDOGREL BISULFATE) taken for transient ischaemic attack, ongoing paracetamol (ACETAMINOPHEN) taken for pain, ongoing loratadine (LORATADINE) taken for hypersensitivity, sinus disorder, ongoing ascorbic acid, biotin, calcium, colecalciferol, cyanocobalamin, dl-alpha tocopheryl acetate, folic acid, potassium iodide, pyridoxine hydrochloride, retinol acetate, zinc sulfate (CENTRUM MULTIGUMMIES WOMEN), amantadine hydrochloride (AMANTADINE HYDROCHLORIDE) taken for parkinson's disease. Since receiving the vaccine she had been sleeping a lot for about 3 days (on 03Feb2021).  Caller stated she knew that was supposed to be a side effect. Adds her mother was a Parkinson's patient and usually able to walk using a walker. She was having a hard time walking (03Feb2021) and had to use the wheelchair. Clarifies her mother started sleeping quite a bit about three days after the vaccine on Friday 03Feb2021. Mentions previous to this on Wednesday after the vaccine, her mother was complaining of foot pain (on 03Feb2021) towards the side midway on the foot in the arch and on the top where you tie your shoe. It was almost like she dropped something on it but she did not. It was slightly swollen on the top and red and warm (on 03Feb2021). Friday when her mother started sleeping so much, they had resort to the wheelchair. She took her to see the nurse practitioner on Friday for the foot, who sent her to the ER for an X-ray on Saturday so they went out again on Saturday to get the foot x-ray done. The foot was not broken. They did treat her mother's foot with Cephalexin. Her foot was fully recovered now. Her mother's tiredness (on 05Feb2021) was persisting and she was having a hard time just getting up from the bed and to go across the room even though the foot was fine. Today they have a message into her neurologist. Adds today was the first day her mother started talking about needing or wanting to go to the hospital for her tiredness and not being able to walk (06Feb2021) Her mother was scheduled for the next dose 23Feb2021.The patient underwent lab tests and procedures which included x-ray limb: the foot was not broken on. Therapeutic measures were taken as a result of foot pain, foot redness, foot swollen, foot hot to touch.The outcome for the events foot pain, foot redness, foot swollen, foot hot to touch was recovered/resolved on 08Feb2021 and not recovered/not resolved for rest of the events.    Information on the lot/batch number has been requested.  Follow-up attempts are completed. No further information is expected