Age: 78.0
Sex: F
Vaccine: COVID19, COVID19
Symptoms: Dysstasia, Fatigue, Gait disturbance, Musculoskeletal stiffness, Neuralgia
Clinical narrative: back was so stiff; extremely difficult to stand; When I was in a standing position, an Electric bolt of pain shot in my Left Groin and down the R of my Left thigh into my L knee on down inside the L calf, Left ankle and left toe.; When I was in a standing position, an Electric bolt of pain shot in my Left Groin and down the R of my Left thigh into my L knee on down inside the L calf, Left ankle and left toe.; When I was in a standing position, an Electric bolt of pain shot in my Left Groin and down the R of my Left thigh into my L knee on down inside the L calf, Left ankle and left toe.; so dizzy I could not stand up; no appetite; brain fog; I shuffle very short distances and very slowly trying to avoid a fall.; toes and bottoms of feet were also totally numb; This is a spontaneous report from a contactable other health professional (patient). A 78-years-old female patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE) via unspecified route of administration, in the right arm, on 15Mar2021 08:45 (lot number: EN 6207), at the age of 78, at single dose for COVID-19 immunization. Facility where the most recent COVID-19 vaccine was administered was at the hospital. Patient medical history was not reported. Concomitant medications included losartan, hydrochlorothiazid and fexofenadine hydrochloride (ALLEGRA) for unspecified indications. The patient previously received first dose of bnt162b2 via unspecified route of administration, in the right arm, on 23Feb2021 14:30 (02:30 pm) (lot number: EN 5318) for COVID-19 immunization. On 15Mar2021 11:15, exactly 2 and a half hours after receiving the second dose of vaccine, patient tried to stand up but experienced back was so stiff; it was extremely difficult to stand.  When patient was in a standing position, an electric bolt of pain shot in her left groin and down the right of her left thigh and into her left knee on down inside the left calf, left ankle and left toe; all on 15Mar2021 11:15. The pain has been constant and the most horrible pain she have ever suffered, as reported. It was reported that patient have never had this type of episode before in her life, which causes her to believe it has been a side effect of the 2nd dose of the vaccine. The pain continues to this day, at the time of reporting. Patient also experienced being so dizzy, she could not stand up; no appetite and brain fog on 15Mar2021 11:15. Before the shot, patient reported she can walk 50 blocks daily for the past 10 years. After 15Mar2021 (on unspecified date in Mar2021) she shuffles very short distances and very slowly trying to avoid a fall. Her toes and bottoms of feet were also totally numb when she wakes up each morning, since unspecified date in Mar2021. Treatment was received for the events (unspecified medications) on 28Apr2021 and physical therapy. Patient went off the medications the doctors gave her on 28Apr2021, choosing to tolerate the pain. The pain to this day, somewhat diminished. The events resulted to a Doctor or other healthcare professional office/clinic visit. Events were assessed as serious, disability. Outcome of the events was not recovered.  No follow-up attempts are needed. No further information is expected.; Sender's Comments: Based on temporal assosciation, the causal relationship between BNT162B2 and the events, musculoskeletal pain, dyssastia, groin pain, pain in extremity, arthralgia, postural dizziness, hypoesthesia, feeling abnormal cannot be completely ruled out. The impact of this report on benefit/risk profile of the Pfizer product is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to Regulatory Authorities, Ethic committees, and Investigators, as appropriate.