Left arm was just aching fierce/ badly aching left arm/sharp pain in various parts of arm; Swelling travelled down her arm and to her hand; She was so groggy, she just stayed in bed and tried to get comfortable; discomfort in arm; Side effect of vaccine; Heaviness in arm; wrist stiffness; swelling at back of my hand; began to loose strenth in my hands; Sharp stabbing pain in her wrist,; This spontaneous case was reported by a consumer and describes the occurrence of PAIN IN EXTREMITY (Left arm was just aching fierce/ badly aching left arm/sharp pain in various parts of arm), PERIPHERAL SWELLING (Swelling travelled down her arm and to her hand), SOMNOLENCE (She was so groggy, she just stayed in bed and tried to get comfortable), DISCOMFORT (discomfort in arm) and VACCINATION COMPLICATION (Side effect of vaccine) in a 77-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 028L20A and 010H21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Penicillin allergy, Sulfonamide allergy, Allergy to antibiotic (Chloromycetin) and Drug allergy (morphine). Concomitant products included ASCORBIC ACID, BETACAROTENE, CUPRIC OXIDE, TOCOPHERYL ACETATE, ZINC OXIDE (PRESERVISION) for Eye abnormality NOS, CALCIUM for an unknown indication.   On 16-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 16-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 18-Feb-2021 at 3:30 AM, the patient experienced PAIN IN EXTREMITY (Left arm was just aching fierce/ badly aching left arm/sharp pain in various parts of arm), PERIPHERAL SWELLING (Swelling travelled down her arm and to her hand), SOMNOLENCE (She was so groggy, she just stayed in bed and tried to get comfortable), DISCOMFORT (discomfort in arm), VACCINATION COMPLICATION (Side effect of vaccine), LIMB DISCOMFORT (Heaviness in arm), MUSCULOSKELETAL STIFFNESS (wrist stiffness), PERIPHERAL SWELLING (swelling at back of my hand), ASTHENIA (began to loose strenth in my hands) and ARTHRALGIA (Sharp stabbing pain in her wrist,). The patient was treated with IBUPROFEN (ADVIL [IBUPROFEN]) ongoing since an unknown date at an unspecified dose and frequency; PREDNISONE (oral) from 01-Aug-2021 to 06-Aug-2021 for Adverse event, at a dose of UNK, bid and FUROSEMIDE (LASIX FAIBLE) (oral) from 06-Aug-2021 to 13-Aug-2021 for Adverse event, at an unspecified dose and frequency. At the time of the report, PAIN IN EXTREMITY (Left arm was just aching fierce/ badly aching left arm/sharp pain in various parts of arm), PERIPHERAL SWELLING (Swelling travelled down her arm and to her hand), SOMNOLENCE (She was so groggy, she just stayed in bed and tried to get comfortable), DISCOMFORT (discomfort in arm), VACCINATION COMPLICATION (Side effect of vaccine), LIMB DISCOMFORT (Heaviness in arm), MUSCULOSKELETAL STIFFNESS (wrist stiffness), PERIPHERAL SWELLING (swelling at back of my hand), ASTHENIA (began to loose strenth in my hands) and ARTHRALGIA (Sharp stabbing pain in her wrist,) had not resolved.        mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) dosing remained unchanged.       Concomitant product includes oral women's multi vitamin 2 per day  for general health and oral mega red 1 per day for eye health. Patient was a redhead.   This case was linked to MOD-2021-278684 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 13-Sep-2021: followup includes concomitant medications and medical history