Her back is hunched over; Nausea; Feels like her endocrine system is effected; Loose stools; Shortness of breathe; Has a flushing in her face around suppertime; Gained a total of 10 pounds of fluid since both Moderna vaccines; Arthritis Flare; Flare up on knee/Felt like knee was broken; Inflammation in body; Muscle spasm; taste buds aren't normal; stomach Problems; Rash on face,Neck, back; Fast heartbeat; Sore arm; This spontaneous case was reported by a consumer and describes the occurrence of ARTHRITIS (Arthritis Flare), ARTHRALGIA (Flare up on knee/Felt like knee was broken), INFLAMMATION (Inflammation in body), MUSCLE SPASMS (Muscle spasm) and AGEUSIA (taste buds aren't normal) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 007b21a) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included No adverse event. Concomitant products included PREDNISONE for an unknown indication.   On 26-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 24-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 26-Feb-2021, the patient experienced HEART RATE INCREASED (Fast heartbeat) and PAIN IN EXTREMITY (Sore arm). On 24-Mar-2021, the patient experienced ARTHRITIS (Arthritis Flare), ARTHRALGIA (Flare up on knee/Felt like knee was broken), INFLAMMATION (Inflammation in body), MUSCLE SPASMS (Muscle spasm), AGEUSIA (taste buds aren't normal), ABDOMINAL DISCOMFORT (stomach Problems), RASH (Rash on face,Neck, back), ENDOCRINE DISORDER (Feels like her endocrine system is effected), DIARRHOEA (Loose stools), DYSPNOEA (Shortness of breathe), FLUSHING (Has a flushing in her face around suppertime), WEIGHT INCREASED (Gained a total of 10 pounds of fluid since both Moderna vaccines) and NAUSEA (Nausea). On 14-Apr-2021, the patient experienced KYPHOSIS (Her back is hunched over). The patient was treated with PARACETAMOL (TYLENOL) at an unspecified dose and frequency and IBUPROFEN at an unspecified dose and frequency. At the time of the report, ARTHRITIS (Arthritis Flare), ARTHRALGIA (Flare up on knee/Felt like knee was broken), INFLAMMATION (Inflammation in body), MUSCLE SPASMS (Muscle spasm), AGEUSIA (taste buds aren't normal), ABDOMINAL DISCOMFORT (stomach Problems), RASH (Rash on face,Neck, back), HEART RATE INCREASED (Fast heartbeat), ENDOCRINE DISORDER (Feels like her endocrine system is effected), DIARRHOEA (Loose stools), DYSPNOEA (Shortness of breathe), FLUSHING (Has a flushing in her face around suppertime), WEIGHT INCREASED (Gained a total of 10 pounds of fluid since both Moderna vaccines), PAIN IN EXTREMITY (Sore arm), KYPHOSIS (Her back is hunched over) and NAUSEA (Nausea) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) and mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown Route) was unknown.       Concomitant products included PREDNISONE for an unknown indication.   This case was linked to US-MODERNATX, INC.-MOD-2021-076504 (E2B Linked Report).   Most recent FOLLOW-UP information incorporated above includes: On 14-Apr-2021: No specific follow-up information recorded.; Sender's Comments:  US-MODERNATX, INC.-MOD-2021-076504:Dose 2