I don't feel good,feel like a bag of sh*t",you look like crap/ Feel like someone is hitting every bone in my body with a sledge hammer; My chest feels very tight; Short of breath; "I'm either hot or cold, I'm hot, I'm cold; Woke up this morning, feel like I've been run over by a train, my muscles hurt; Both the glands in my neck are swollen; Headache like you wouldn't even know/now my head is pounding; Chest pain; Dizzy; My arm swelled up so bad; Irregular heartbeat; This spontaneous case was reported by a consumer and describes the occurrence of PERIPHERAL SWELLING (My arm swelled up so bad), HEART RATE IRREGULAR (Irregular heartbeat), CHEST PAIN (Chest pain), DIZZINESS (Dizzy) and LYMPHADENOPATHY (Both the glands in my neck are swollen) in a 53-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 014C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Pulmonary embolism and Deep vein thrombosis. Concurrent medical conditions included Autoimmune disorder NOS and Asthma. Concomitant products included DULOXETINE HYDROCHLORIDE (CYMBALTA) for Autoimmune disorder NOS, LEVOFLOXACIN (LOVENOX [LEVOFLOXACIN]) for MTHFR deficiency, DVT and Pulmonary embolism, RIVAROXABAN (XARELTO) for Methylenetetrahydrofolate reductase deficiency, DVT and Pulmonary embolism, CYCLOBENZAPRINE for Muscle spasm, CALCIUM CARBONATE, COLECALCIFEROL (VITAMIN D 2000), FOLIC ACID and CYANOCOBALAMIN (VITAMIN B-12) for an unknown indication.    On 11-May-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 11-May-2021, the patient experienced PERIPHERAL SWELLING (My arm swelled up so bad) and HEART RATE IRREGULAR (Irregular heartbeat). On 12-May-2021, the patient experienced CHEST PAIN (Chest pain). 12-May-2021, the patient experienced DIZZINESS (Dizzy) and HEADACHE (Headache like you wouldn't even know/now my head is pounding). On 13-May-2021, the patient experienced LYMPHADENOPATHY (Both the glands in my neck are swollen) and MYALGIA (Woke up this morning, feel like I've been run over by a train, my muscles hurt). On an unknown date, the patient experienced FEELING ABNORMAL (I don't feel good,feel like a bag of sh*t",you look like crap/ Feel like someone is hitting every bone in my body with a sledge hammer), CHEST DISCOMFORT (My chest feels very tight), DYSPNOEA (Short of breath) and FEELING OF BODY TEMPERATURE CHANGE ("I'm either hot or cold, I'm hot, I'm cold). The patient was treated with PARACETAMOL (TYLENOL) for Headache, at an unspecified dose and frequency. At the time of the report, PERIPHERAL SWELLING (My arm swelled up so bad), HEART RATE IRREGULAR (Irregular heartbeat), CHEST PAIN (Chest pain), DIZZINESS (Dizzy), LYMPHADENOPATHY (Both the glands in my neck are swollen), FEELING ABNORMAL (I don't feel good,feel like a bag of sh*t",you look like crap/ Feel like someone is hitting every bone in my body with a sledge hammer), CHEST DISCOMFORT (My chest feels very tight), DYSPNOEA (Short of breath), FEELING OF BODY TEMPERATURE CHANGE ("I'm either hot or cold, I'm hot, I'm cold), MYALGIA (Woke up this morning, feel like I've been run over by a train, my muscles hurt) and HEADACHE (Headache like you wouldn't even know/now my head is pounding) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       This case was linked to US-MODERNATX, INC.-MOD-2021-128107, US-MODERNATX, INC.-MOD-2021-128463 (E2B Linked Report).; Sender's Comments:  US-MODERNATX, INC.-MOD-2021-128107: US-MODERNATX, INC.-MOD-2021-128463: