yawning so much (over 50 times) her jaw hurt; yawning so much (over 50 times) her jaw hurt; mouth would open so wide it was like a monster coming out; body would get tight it wanted to stretch and then everything would release; whole body pain; feel worse/this vaccine ruined my life; her eyes hurt their sockets; ear ringing as I talk to you; legs felt numb and weird,arms felt numb and weird; body was radiating heat; worst chills she has ever had; exhausted; whole body started flushing (~2min after injection); legs felt weak; This spontaneous case was reported by a patient and describes the occurrence of FLUSHING (whole body started flushing (~2min after injection)), MUSCULAR WEAKNESS (legs felt weak), YAWNING (yawning so much (over 50 times) her jaw hurt), PAIN IN JAW (yawning so much (over 50 times) her jaw hurt) and ORAL DISCOMFORT (mouth would open so wide it was like a monster coming out) in an 80-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 85DE21A and 9399D2) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The medical history was not provided by the reporter.  Concomitant products included THYROID and ESCITALOPRAM OXALATE (LEXAPRO) for an unknown indication.   On 11-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 08-Sep-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Other) dosage was changed to 1 dosage form. On 08-Sep-2021, the patient experienced FLUSHING (whole body started flushing (~2min after injection)) and MUSCULAR WEAKNESS (legs felt weak). On an unknown date, the patient experienced YAWNING (yawning so much (over 50 times) her jaw hurt), PAIN IN JAW (yawning so much (over 50 times) her jaw hurt), ORAL DISCOMFORT (mouth would open so wide it was like a monster coming out), MUSCULOSKELETAL STIFFNESS (body would get tight it wanted to stretch and then everything would release), PAIN (whole body pain), FEELING ABNORMAL (feel worse/this vaccine ruined my life), EYE PAIN (her eyes hurt their sockets), TINNITUS (ear ringing as I talk to you), HYPOAESTHESIA (legs felt numb and weird,arms felt numb and weird), PYREXIA (body was radiating heat), CHILLS (worst chills she has ever had) and FATIGUE (exhausted). On 10-Sep-2021, PYREXIA (body was radiating heat) had resolved. At the time of the report, FLUSHING (whole body started flushing (~2min after injection)), MUSCULAR WEAKNESS (legs felt weak), YAWNING (yawning so much (over 50 times) her jaw hurt), PAIN IN JAW (yawning so much (over 50 times) her jaw hurt), ORAL DISCOMFORT (mouth would open so wide it was like a monster coming out), MUSCULOSKELETAL STIFFNESS (body would get tight it wanted to stretch and then everything would release), PAIN (whole body pain), FEELING ABNORMAL (feel worse/this vaccine ruined my life), EYE PAIN (her eyes hurt their sockets), TINNITUS (ear ringing as I talk to you), HYPOAESTHESIA (legs felt numb and weird,arms felt numb and weird), CHILLS (worst chills she has ever had) and FATIGUE (exhausted) outcome was unknown.      No treatment medication was reported   This case was linked to MOD-2021-325400 (Patient Link).