loss sense of taste, and smell; loss sense of taste, and smell; horrible nerve pain in lower back stretching down her pelvis and thigh; shooting nerve pain down both legs and toes for 4 days; excruciating pain; sharp pain in her back/really sharp pains; fatigued/she was really fatigued; in bed for 2 weeks/Pretty much in bed for the next 2 weeks; fever; both arms hurting/both of her arms were hurting, not too bad, but the skin on both of her arms/pain in her legs; feeling of burning to skin/touch her arms burnt and the skin was burning; could not eat; Really Out of it Mentally; cramps in legs; joint pain, on elbows, fingers knees, and hips, intermittently; This is a spontaneous report received from contactable reporter(s) (Consumer or other non-HCP) from medical information team. The reporter is the patient.   A 34 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 31Jul2021 10:00 (Lot number: FA7485) at the age of 34 years as dose 1, single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications.   The following information was reported: BACK PAIN (non-serious) with onset 31Jul2021 10:30, outcome "recovered" (05Aug2021), described as "sharp pain in her back/really sharp pains"; FATIGUE (non-serious) with onset 31Jul2021 10:30, outcome "recovered" (12Aug2021), described as "fatigued/she was really fatigued"; BEDRIDDEN (non-serious) with onset 31Jul2021 10:30, outcome "recovered" (12Aug2021), described as "in bed for 2 weeks/Pretty much in bed for the next 2 weeks"; NEURALGIA (non-serious) with onset 01Aug2021, outcome "recovered" (05Aug2021), described as "horrible nerve pain in lower back stretching down her pelvis and thigh"; PAIN (non-serious) with onset 01Aug2021, outcome "recovered" (05Aug2021), described as "shooting nerve pain down both legs and toes for 4 days; excruciating pain"; PYREXIA (non-serious) with onset 31Jul2021, outcome "recovered" (05Aug2021), described as "fever"; PAIN IN EXTREMITY (non-serious) with onset 31Jul2021, outcome "recovered" (05Aug2021), described as "both arms hurting/both of her arms were hurting, not too bad, but the skin on both of her arms/pain in her legs"; SKIN BURNING SENSATION (non-serious) with onset 31Jul2021, outcome "recovered" (05Aug2021), described as "feeling of burning to skin/touch her arms burnt and the skin was burning"; FEEDING DISORDER (non-serious) with onset 31Jul2021, outcome "recovered" (13Aug2021), described as "could not eat"; MENTAL STATUS CHANGES (non-serious) with onset 31Jul2021, outcome "recovered" (12Aug2021), described as "Really Out of it Mentally"; MUSCLE SPASMS (non-serious) with onset 31Jul2021, outcome "not recovered", described as "cramps in legs"; ARTHRALGIA (non-serious) with onset 31Jul2021, outcome "not recovered", described as "joint pain, on elbows, fingers knees, and hips, intermittently"; AGEUSIA (non-serious), ANOSMIA (non-serious) all with onset 02Aug2021, outcome "not recovered" and all described as "loss sense of taste, and smell". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of back pain, neuralgia, pain, pain in extremity, arthralgia.   Additional information: Reporter Subtype: Patient. PQC Present: No. Caller was a 34-year-old patient who received the first dose of the Pfizer Covid vaccine on 31Jul2021 and was scheduled to receive the second dose tomorrow. Caller reported that 30 minutes after receiving the vaccine, she began to experience sharp pain in her back, fatigued and in bed for 2 weeks. Starting the next morning after the dose, she had horrible nerve pain in her lower back stretching down her pelvis and thigh. and shooting nerve pain down both legs and toes for 4 days.  She also had a fever, both arms hurting, a feeling of burning to skin, although nothing visible, could not eat, except for a cracker a day. Most of it has resolved except for cramps in legs, and ongoing joint pain, on elbows, fingers knees, and hips, intermittently. She also reports loss sense of taste, and smell. Caller wanted to know: Should she get the second dose based on the reaction she had. Caller stated she was calling about the COVID-19 Vaccine; verified Pfizer COVID-19 Vaccine. Caller stated on 31Jul2021, she received her first vaccination and she had a really bad reaction to it. Caller stated that about 30 minutes after the vaccine she got sharp pains in her back kind of where her thoracic and cervical areas are in that general area and down in her lumbar section, they were really sharp pains. Caller stated then she started getting really fatigued so she came home and she laid down to nap. Caller stated that she was pretty much in bed for the next 2 weeks. Caller stated that starting the next morning she had horrible horrible nerve pain in her lower back stretching around to the pelvic area in the front and down her thighs, it was a shooting nerve pain down her legs to her toes. Caller stated it lasted about 4 days of excruciating pain. Caller stated she experienced a fever that night. Caller stated that both of her arms were hurting, not too bad, but the skin on both of her arms, there was nothing visible, but to the touch her arms burnt and the skin was burning. Caller stated that lasted about as long as the pain in her legs as well. Caller stated she ran a fever for about 5 days. Caller stated she ate maybe one Ritz cracker a day. Stated that she was really out of it mentally. Caller stated she finally got out of bed, she would get up and sleep a little bit and then lay back down because she was really fatigued. Caller stated she was off work for 2.5 weeks, it was terrible. Caller stated she had a COVID test done and it was negative. Caller clarifies the pain in her legs and the arms burning started the evening of 31Jul2021. Caller stated she got the shot at 10:00a.m. on 31Jul2021, and she laid down by 11:00a.m. and slept. Caller stated it finally subsided around 04Aug or 05Aug, she would say the 05Aug2021. Caller stated she couldn't eat from 31Jul2021-13Aug2021. Caller stated she still feels cramps in her legs and she has ongoing joint pain in her elbows, fingers, knees and hips. Caller stated she doesn't know how to describe it, one day it will be there and another it won't, so she doesn't know how to rate that. Caller stated her first day out of bed was 12Aug2021. Caller stated she also lost sense of taste and smell and she is still trying to get that back. Caller stated she lost it on the third day after the shot, so 02Aug2021. Treatment: Ibuprofen for Pain. History of all previous immunization with the Pfizer vaccine considered as suspect: None. Additional Vaccines Administered on Same Date of the Pfizer Suspect: None. Adverse Event (AE) Details: Provide the time of onset of AE(s): About 30 Minutes After the Vaccine. Additional Information Did not required any AEs visit to: Emergency Room and Physician Office, statesd that she probably should have gone to the doctor but she didn't go. Prior Vaccinations (within 4 weeks): None. AE(s) following prior vaccinations: None. Patient(s) Medical History (including any illness at time of vaccination): None. Family Medical History Relevant to AE(s): None. Relevant Tests: None.   Follow-up attempts are completed. No further information is expected.