jerky feelings/ jerk in my hands and my legs; my whole body just hurts all over; I was good and turned over this like I was hurting so bad so I could not turn over hardly; soreness; Twitching; severe pain; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 54 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 03Nov2021 (Lot number: 32030BD) at the age of 54 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Fibromyalgia" (unspecified if ongoing); "Osteoarthritis" (unspecified if ongoing); "back problems" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Covid-19 vaccine (MANUFACTURER UNKNOWN 1st dose, She notes not having any reactions to the 1st 2 doses of the vaccine, Date of first vaccine: 24Mar2021), administration date: 24Mar2021, for COVID-19 immunization; Covid-19 vaccine (MANUFACTURER UNKNOWN 2nd dose, She notes not having any reactions to the 1st 2 doses of the vaccine, Date of second shot: 14Apr2021), administration date: 14Apr2021, for COVID-19 immunization. The following information was reported: PAIN (non-serious) with onset 04Nov2021 04:30, outcome "unknown", described as "severe pain"; DYSKINESIA (non-serious), outcome "unknown", described as "jerky feelings/ jerk in my hands and my legs "; PAIN (non-serious), outcome "unknown", described as "my whole body just hurts all over; I was good and turned over this like I was hurting so bad so I could not turn over hardly"; ARTHRALGIA (non-serious), outcome "unknown", described as "soreness"; MUSCLE TWITCHING (non-serious), outcome "unknown", described as "Twitching".  Additional Information: She got up at 04:30 today and turned over in bed and had "severe pain." She notes not having any reactions to the 1st 2 doses of the vaccine and didn't know if the vaccine could be causing her symptoms. The reporter states that she was not upset she just wanted to know if this could be the cause of her having "jerky" feelings and "pain and stuff." The reporter believes that she filed a report with the DSU as she spoke with them this AM and they gave MI phone number for her to call back once they opened. Booster may have accelerated the side effects she had with that because she was having lot of jerk in her hands and her legs and she had that with fibromyalgia. Her whole body just hurts all over; she was good and turned over this like she was hurting so bad so she could not turn over hardly. Concern: Consumer stated, "Yes she got the booster vaccine, yesterday and she don't know if she was having a reaction, the first two vaccines she didn't have a problem but she also had fibromyalgia (Intent: Medical History) and osteoarthritis (Intent: Medical History) and she had issues with that kind of what she was having now and she don't know whether the booster may have accelerated the side effects she had with that because she was having lot of jerk in her hands and her legs and she had that with fibromyalgia (Event captured as per verbatim) and she was having like 'musky' and 'hurt' and her whole body just hurts all over because she was good and turned over this like she was hurting so bad so she could not turn over hardly."  No follow-up attempts are possible. No further information is expected.