muscle have been spastic in the jaw, right shoulder and in between of the shoulder blades, felt tight with spasms and knots; "I am miserable, nothing helps, I am on medications for back pain and it does not help; "I am miserable, nothing helps, I am on medications for back pain and it does not help; The caller attributes these symptoms to the fact that vaccinator possibly hit the nerve. The reporter stated that the vaccine was administered further back on my arm than I used to.; I felt it travel to my shoulder, and my neck, jaw and temple right after receiving the first dose of COVID-19 vaccine, and it got worse as I drove home; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of VACCINATION COMPLICATION (I felt it travel to my shoulder, and my neck, jaw and temple right after receiving the first dose of COVID-19 vaccine, and it got worse as I drove home), MUSCLE SPASTICITY (muscle have been spastic in the jaw, right shoulder and in between of the shoulder blades, felt tight with spasms and knots), FEELING ABNORMAL ("I am miserable, nothing helps, I am on medications for back pain and it does not help), BACK PAIN ("I am miserable, nothing helps, I am on medications for back pain and it does not help) and PRODUCT ADMINISTERED AT INAPPROPRIATE SITE (The caller attributes these symptoms to the fact that vaccinator possibly hit the nerve. The reporter stated that the vaccine was administered further back on my arm than I used to.) in a 55-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 016C21A) for COVID-19 vaccination.     Concomitant products included PREGABALIN (LYRICA), BACLOFEN, HYDROCODONE BITARTRATE (HYSINGLA), HYDROCODONE, SERTRALINE HYDROCHLORIDE (ZOLOFT) and LEVOTHYROXINE SODIUM (SYNTHROID) for an unknown indication.    On 04-May-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form(s). On 04-May-2021, the patient experienced VACCINATION COMPLICATION (I felt it travel to my shoulder, and my neck, jaw and temple right after receiving the first dose of COVID-19 vaccine, and it got worse as I drove home). On an unknown date, the patient experienced MUSCLE SPASTICITY (muscle have been spastic in the jaw, right shoulder and in between of the shoulder blades, felt tight with spasms and knots), FEELING ABNORMAL ("I am miserable, nothing helps, I am on medications for back pain and it does not help), BACK PAIN ("I am miserable, nothing helps, I am on medications for back pain and it does not help) and PRODUCT ADMINISTERED AT INAPPROPRIATE SITE (The caller attributes these symptoms to the fact that vaccinator possibly hit the nerve. The reporter stated that the vaccine was administered further back on my arm than I used to.). At the time of the report, VACCINATION COMPLICATION (I felt it travel to my shoulder, and my neck, jaw and temple right after receiving the first dose of COVID-19 vaccine, and it got worse as I drove home), MUSCLE SPASTICITY (muscle have been spastic in the jaw, right shoulder and in between of the shoulder blades, felt tight with spasms and knots), FEELING ABNORMAL ("I am miserable, nothing helps, I am on medications for back pain and it does not help), BACK PAIN ("I am miserable, nothing helps, I am on medications for back pain and it does not help) and PRODUCT ADMINISTERED AT INAPPROPRIATE SITE (The caller attributes these symptoms to the fact that vaccinator possibly hit the nerve. The reporter stated that the vaccine was administered further back on my arm than I used to.) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   treatment include steroid taper. patient mentioned that lyrica does not not help.